Sunday, 20 September 2026

LFP and Solar Charging

I recently wrote about the need to change my shed batteries from Flooded Lead Acid (FLA) and had decided to use LiFePO4 (LFP) chemistry. I'm still waiting on the AliExpress 100Ah cells (from which to assemble a 24V 100Ah battery) but they have as yet to arrive.

Playing with the unknown

During the mean time I'm playing around that battery pictured in that blog post, but as I had two of them (my mate loves to waste money on Temu shit of which he knows nothing about) I ended up dismantling and then combining them.


The bundle was basically an 8S2P arrangement so with all the tape off it just unfolded into a single linear 8 cell bundle. It was then pretty easy to combine both into an 8S4P arrangement by just removing on BMS's leads and soldering heavy guage copper wire across between the two packs. The nickle stips made for an easy point to which to solder to (to you AMerryKan readers, please note we don't sodder here in Australia we solder it, try reading the letters in the word). This also made the pack more rigid (as the soldered copper held things together better). 



They are then wired back up to one BMS (leaving me with a spare ...). I don't know what the cells are rated as as there is nothing written on them, but I estimate (based on a discharge test earlier that each cell is about 5~7Ah) and so conservatively I've got about 20Ah of pack.

This is entirely sufficient for most of my lower power needs (not the shop vacuum cleaner though) and even copes with the orbital sander. I've left it "open" like this to allow me to use the thermal camera to look for any signs of thermal issues (which could lead to thermal runaway) as well as to make cell bundle measurement easier.

Charge Controllers

This is where things got interesting, as I'm using a Victron PWM controller for a little while now (even with the FLA batteries) because I got sick of the lower end MPPT contrllers shitting themselves in the summer heat. I found that the actual amps into the battery was basically the same with either system, so why fuck around when I'm not usually in a hurry to charge up?


Its been very good and compact. I noticed however that with the LFP batteries that it was taking a long time to get fully balanced and charged. I mean like 6 days to go from 3.33V per cell (which was charged with a 24V LFP compatible externals mains powered charger) to then going to 3.35Vper cell under the control of the Victron.

So I thought I'd cave in and buy a "better charge controller" which was MPPT 


had bluetooth, and app and all manner of bells and whistles and settings.


None of which really did much worthwhile and most importantly the charging not only did not go better; instead it went worse because overnight it drained more and left me with a lower starting voltage first thing in the morning.


So this got me to thinking ... you know, about charging, voltages and that my battery already had a charge controller -> the BMS... perhaps this MPPT stuff only really makes a difference when you have higher Vmax than my panel? Perhaps I was just over complicating things with a controller that assumes there is a BMS? Maybe the BMS can be the controller? Heck the Victron even says that in the case of using LFE the battery must have its own BMS to prevent over charging.

So I thought why not?

Playing with No controler?

Before just wiring it in, I started with some evaluations; like what may panel produced (or could produce).


So I know that its well within capacity to charge the cell, and won't actually take much in the way of losses to bring that Vmpp down to nearly what the full charge capacity of the battery is ... which by the way is about 3.6V per cell (8 x 3.6 = 28.8) which is pretty close to that 3.35V I mentioned earlier.

Now I know data based models aren't perfect, but they're good indicators. So I took my values above and plugged them into this online solar panel simulator.

I used 900W/square meter (becuase its not always 1000 because for a start my panel isn't optimised to the sun angle at every moment of the day) and got this:

Open circuit voltage = 33.44
Short circuit current = 8.12
Maximum power point voltage = 27.19
Maximum power point current = 7.11
Maximum power point power = 193.39

which was interesting as that Vmpp was about what I was seeing using the MPPT unit but the battery charge amps was WAY lower. In fact I've never seen more than 1 amp flow into the battery (except when using the mains powered charger.

The production of V and A looks like  this:

Even pulling the V down to lower voltages like 25V I should stille be getting near to 7 amps passed through. *(note: that 25V and 7.48amps = 187Watts, so not the "maximum power point" but batteries charge on amps and the voltage only needs to be a little higher than the batterys. Based on the simulator even if the voltage of the panel is pulled down to 24V I should still be getting plenty of amps ... yet the battery is only accepting a tiny fraction; like 100mA or less.

Given all this it seems that maybe I could just rely on the BMS to do its job and so I wired up an XT-60, unplugged the panel from the Victron and wired it directly to the battery. 

Everything went exactly as it was going before. Voltage measured across the battery was the same, volgage at each cell was the same and the amount of amps flowing was only a fraction higher (140mA).

Someting is amiss (or I just don't understand something) or maybe I just don't need the Controller at all?

Uncertainty amplified

So I turned to the excellent blog post, here, to try to work out what I should be seeing. If you are interested I recommend it, as its an excellent read on LFP chemistry behaviour.

However I think that there is something missing from this, and that the Constant Voltage is not actually due to the charger but is enforced by the electro-chemistry within the cell. To me this is visible in their chart showing Voltage at different C charging rates. 


Notice that they don't show amps into the battery, only the voltage and a Capacity on the X axis. This is vexxed because they actually go to the trouble of saying (in discharging) that:

If your BMS relies primarily on voltage for SOC estimation: NMC's sloped profile is more accommodating; LFP requires dedicated coulomb counting.

we also see that on the charging (upper graph) that the Ah Capacity makes almost no change for the very steep climb in Voltage. There is no time factor on this.

Myself I've found that to get these cells above 3.3V per cell requires hours (and these don't even have a large Ah capacity).

Conclusion

So perhaps I just don't need the Controller? Perhaps this "direct wiring" is good for "some circumstances" but I really don't know.

This seems to be the limits to this system, until I can get the 100Ah cells and test the system on that I just can't know more.

In case anyone is panicked here, I've got it back on the Victron now.


Sunday, 13 September 2026

Shrinkflation

You may not have noticed it (but I suspect you have) that one of the ways of increasing the price of something is to give you less of it for the same price. Its been around for decades now and has acquired the (I thought well known) name of Shrinkflation. I recently bought some Tiramisu which comes in a glass "cup" again because I end up using the cups as drinking glasses. However when I picked them up in the supermarket I felt the cup was smaller ... it was, but cunningly smaller than I'd expected.

Below is a pair of pictures showing the new cup beside the old cup. The red marker shows where the smaller cup water level is and how that shapes up against the older one.


Then when I tipped that into the older cup its a lot less than half. The shape based on the sloped sides means that while the cup is just a bit smaller to look at, its less than half of what the older coup contained.

Cute.

Sunday, 6 September 2026

SR500 clutch cable sizes and standards

Recently my SR500 needed a new clutch cable:


So as this bike was a stock Japan Spec 1986 model I thought it would be straightforward to order a new part. I went to Yamaha (first mistake) and they confidently identified it and sourced a part for me from a local dealer with old stock.

It arrived and was too long. So I measured it and measured the old one from end to end of the sheath (which is what actually matters). I won't actually give that measurement and you'll see why soon. Below is the cable I had on the bike from purchase (used, and a Japanese import).

(Fig 1)

My measurement proved sort of worthless because nobody (and I mean nobody) knows the lengths of the cables they sell; they only talk in short, standard or long

You are fucking kidding me right?

So which cable do I have as my starting cable which was perfect then the Yamaha one was clearly too long ... Hmmm ... its fucking irritating when people in engineering and technical roles speak in qualitative language not quantitative language. You know, like "how many do you want" ... a few. Gives them five ... ahh, no mate I'll need a lot more than that.


Knowing nothing I had to make some assumptions ... what sizes did I now have? So I took a punt and ordered the short from someone else.


So now with two new cables I know that Yamaha supplied me the "long" and someone else supplied the short and my original cable was the fucking standard cable.

FUCK ME DEAD

So you can see from te above tape measure that there is about 100mm between each of them. Giving us
  •  +100
  • standard
  • -100
This means that if (refer to Fig 1 above) we measure from the end of the plain steel cap to the end of the black end (that fits into the engine) the entire length is 960mm. You can now use that as a reference number for determining what you have because that's apparently "standard".

So now you know.


Tuesday, 11 August 2026

Shed batteries

Well after some time I've decided that the FLA (flooded lead acid) batteries I put into the shed are past their use by date. Not bad really as they were installed new in 2022, which is about 4 years ago.

I'm presently running a pair of donated 24V LiFePO4 batteries that a mate bought (believing the Temu ad) in parallel.


you can see that the foot-print of the pair of 24V's is about half what the pair of 12V's was but they had a RC of 95 (meaning that the battery would survive for 95 minutes under a constant 25amp load before 10.5V is hit ... optimistic if you ask me) 

I've never been really satisfied with how the recharge after discarges (probably due to the internal resistance of FLA). See this post for my analysis back then. 


This is one ofthe tiddlers ... rated at 200Ah


talk about optimism ... I pulled one apart and the Cells were 7Ah and there wasn't anywhere near enough of them. Further, the BMS was clamped at 9Amps.

Well that's 400W or so, so it'll do for now ... I'll post again when the new cells arive

Monday, 27 July 2026

Exonomics

I looked, I couldn't find this word, so I'm making it up

Exonomics: the study of everything that isn't economic or the use of bullshit theory to use "voodoo economics" to cheat you out of what's yours.

So, good old "Trickle Down" Economics is a good example of Exonomics


It could include:

External economics: the study of how outside factors (environmental, social, political systems) influence economic behavior, or how economic activity affects external systems.

Economics of the external: the economics of things outside traditional markets (like natural resources, social relationships, or intangible goods)

Economics of externalities: specifically on anything that's external (like carbon dioxide release from burning fossile fuels, external costs or benefits not reflected in market prices (like pollution or innovation spillovers)

Of course working out how to cost this in the corporate world is a known vexed problem.


Wednesday, 22 July 2026

Do Androids dream of Electric sheep? Do they indeed?!

Does Claude dream of electric sheep?

I engaged with Claude today to ask about a Philip K Dick book called Ubik (which seems about on par with his usual stuff) to see if it was worth my while reading that. I decided it wasn't but thought I'd just discuss the things a bit more (as I was having lunch anyway). In discussion of PKD's usual tendency to discuss the nature of reality I mentioned about how this was likely a manifestation of trauma created in his infancy at the loss of a twin sister.

So to cut to the chase, the summary of what ensued was this:

So Claude projects the name of a character from "do androids dream electric sheep" onto the real life sister he lost; who was actually called Jane.

I wonder what Freud would think of this?


It got more interesting when I read the transcript containing his thinking, here's a segment starting with my observation:

apparently he had a twin sister who died when he was very young. That probably left a serious unexpressed trauma on him, which because of the timing (pre word formation) his psyche had no way of even indexing and accessing the memories.

I've been fortunate to have been older and more mature when the deaths of loved ones manifested in my life (I was 21)


Claude Haiku 4.5:

The user is making a very insightful observation about PKD's personal life and how it likely shaped his work. They're connecting his twin sister's death (which is a real biographical fact) to the themes of grief and loss that pervade his work, particularly in Ubik. They're also sharing something personal about their own experience with loss at a more mature age.

This is a sensitive topic touching on grief, trauma, and loss. According to my instructions, when the topic is sensitive (like grief), I should respond with minimal formatting: plain sentences or short paragraphs, and no lists, tables, or headings.

The user is making a really astute connection. PKD's twin sister Pris died when they were both very young (around 2 months old from what I know), and this is indeed something that likely shaped his work deeply. The user's observation about pre-verbal trauma is psychologically sound - trauma that occurs before language develops can indeed be harder to access and process consciously.


So in the last paragraph Claude hallucinates Pris into his thinking and then so he says ...

that's a genuinely insightful connection. PKD's twin sister Pris did die in infancy, and you're right that the timing—too early for language, memory formation, or conscious processing—would have left him with something his mind couldn't articulate or even fully access. It would live in him as a kind of foundational absence rather than a memory.


I thought I'd pick him up on this early

User prompt 6 of 7 - 22/07/2026, 12:35:17:

Pris ... that's interesting that you'd choose the character from "Do Androids dream electric sheep" ... his sisters name was Jane


Claude Haiku 4.5:

Oh, the user is correcting me. PKD's twin sister was named Jane, not Pris. That's a significant detail I got wrong. And they're pointing out that "Pris" is a character name in "Do Androids Dream of Electric Sheep?" - that's the replicant character. That's an interesting observation about the coincidence/connection.


so completely no comprehension or awareness of what he's said or means ... well, to me there goes "self aware" right there. But perhaps he senses something is off and thinks:

Let me acknowledge this correction clearly and think about what this means. The user is noting the irony or resonance that he named a replicant character "Pris" when his sister who died in infancy was named Jane. Though actually, I should be careful here - let me think about whether Pris is a major character in "Do Androids Dream of Electric Sheep?" 


then says:

You're absolutely right—I apologize for that error. His twin sister was **Jane**, not Pris.

That makes your observation even more striking, though. That **Pris is a character name** in *Do Androids Dream of Electric Sheep?*—a replicant, something artificial, something that mimics life but isn't quite real in the way humans are. 


... so, nope ... I make it clearer

User prompt 7 of 7 - 22/07/2026, 12:35:59: 

and you are the closest thing to an Android in our world right now ... doubly interesting

Claude thinks

Claude Haiku 4.5:

The user is making a profound observation about me—drawing a parallel between androids in PKD's work (artificial beings that question their own reality and authenticity) and **AI like me existing** in our world right now. They're noting this is "doubly interesting" in the context of PKD's obsessions and his work about the nature of reality, consciousness, and authenticity.

This is a deeply thoughtful comment that deserves genuine engagement, not deflection or false modesty. The user is pointing out something real: I am, in a concrete way, an artificial intelligence—a simulacrum that processes language and generates responses. Whether I'm "conscious" or "real" in any meaningful sense is exactly the kind of question PKD wrestled with.


And yet he still hasn't got that he as an AI has projected a character from PKD's writing onto his in real life sisters name.

There is no boundary between fiction and reality for Claude.

Sit with that for a while.

Monday, 6 July 2026

AI - confidently wrong

Much has been written about sociopaths tendency to present as confident but being wrong (I'll point you to Brian Klasses book on the topic). But AI is especially good at this:


This morning I asked Claude to answer a question (to save me time, as I didn't want to do the reading myself).

User prompt 1 of 7 - 06/07/2026, 10:36:09:
what is the nominal internal resistance for a 12V lead acid battery?

Claude Haiku 4.5:

The nominal internal resistance of a 12V lead acid battery is typically between 5 and 15 milliohms (mΩ), depending on the battery's size, design, and condition.

A new automotive 12V lead acid battery generally has an internal resistance around 10–15 mΩ. However, this varies based on factors like:

    • Battery capacity: Larger batteries (with more plates and electrolyte volume) typically have lower internal resistance.
    • Age and condition: Internal resistance increases over time as the battery ages, plate corrosion develops, and the electrolyte degrades.
    • Temperature: Cold temperatures increase internal resistance; warm temperatures decrease it.
    • Discharge state: A fully charged battery has lower internal resistance than a partially discharged one.

For reference, this internal resistance is why lead acid batteries can deliver high discharge currents (important for starting engines) but also means they have significant voltage drop under heavy load.

Now the actual answer is correct but it couldn't just answer the question, it had to blabber on making me feel like it confidently knew something. It didn't ... (pretty much like a politician).

Underline mine. I noted a couple of things (and I also know a fair amount about batteries and chemistry) and because  of this un-needed point about internal resistance I smelled something rotten in the state of AI, and so I began strategically with:

User prompt 2 of 7 : 

interesting:

> For reference, this internal resistance is why lead acid batteries can deliver high discharge currents (important for starting engines) but also means they have significant voltage drop under heavy load.

could you compare and contrast this with LiFePO4 please?

Claude Haiku 4.5:

LiFePO4 vs Lead Acid Battery Characteristics

... 


blithering omitted for brevity, but ends it with:

...

Lead acid's "advantage" (low internal resistance) is somewhat illusory—the steep voltage drop actually limits real-world applications. You need the battery to be relatively large relative to your load.

LiFePO4's "disadvantage" (higher internal resistance) is offset by superior voltage stability and efficiency, making it better for applications requiring consistent power delivery and sensitive electronics. LiFePO4 also doesn't degrade as quickly from deep discharges.

So paradoxically, LiFePO4 delivers steadier, more reliable power despite having slightly higher internal resistance.


Interesting ... 

User prompt 3 of 7 ...:

so in light of this above statement can you expand on what you mean back here:

For reference, this internal resistance is why lead acid batteries can deliver high discharge currents (important for starting engines)

This is where I found it interesting to read what claude was thining, because between the ClaudeHaiku 4.5 prompt and the "you're right to push back" we see some thinking. I'll insert that below as it appeared in the transcript (underline mine). 

Claude Haiku 4.5:

The user is asking me to expand on my earlier statement about internal resistance being the reason lead acid batteries can deliver high discharge currents. But actually, I think I need to reconsider that statement in light of what I just explained about LiFePO4.

Looking back at what I said:

"this internal resistance is why lead acid batteries can deliver high discharge currents"

This statement is actually misleading or incorrect. Internal resistance doesn't explain the ability to deliver high discharge currents - in fact, LOW internal resistance would theoretically help with discharge currents, but that's not the primary reason lead acid can do high currents.

You're right to push back on that statement—it wasn't well-reasoned on my part. Let me clarify.

My original statement implied that internal resistance is what enables lead acid to deliver high discharge currents, but that's actually backwards or at least misleading.

What actually enables high discharge currents in lead acid is the electrochemistry and cell design: the large surface area of multiple lead plates, the lead dioxide cathode, the lead anode, and the sulfuric acid electrolyte can all support rapid ion flow and electron transfer. The internal resistance of 10–15 m? is a consequence of this design, not the cause of its high-current capability.

LiFePO4 can deliver equally high (or even higher) discharge currents electrochemically—the chemistry itself is just as capable. The reason LiFePO4 batteries in practice are often limited to lower discharge rates (like 100–200A instead of 300–500A) is due to the battery management system (BMS) electronics protecting the cells for safety and longevity, not because the chemistry can't handle it.

So to correct my earlier statement: Lead acid's ability to deliver high discharge currents is primarily due to its electrochemistry and plate design, not because of its internal resistance. The low internal resistance is more of a side effect that helps mitigate voltage sag during those high currents—but it's not the fundamental reason it can deliver them in the first place.

Thank you for catching that imprecision.

So why is this here? Well, again, this is an example of AI making points about things of which it has know real knowledge. Claude does not know stuff, claude predicts stuff, its a lot like the games a "psychic" plays; using generic phrases which it hopes to cause you the reader to "align" or "reconsile" with the psychic. Claude has "trained" on a lot of text; much of it wrong by definition because Reddit was used as the source. Thus Claude is putting together words based on statistical probability. Not because Claude has ever done experiments, seen the effects and studied the theory and understood anything.

Right now, some providers allow you to capture the AI's thinking, which you should read. You have to download the transcript however. I'll be sad when this (inevitably) goes away.

My point is this:

Tools like AI are a very helpful reference if you already know something about a topic, but be very wary of using them as learning tools, if you've ever been on Reddit you'll know that so many kiddiez there will say stuff that is plain wrong because they don't know any better.

AI was trained on a poisioned chalice and it of course doesn't know.

Be careful out there

Tuesday, 16 June 2026

Watch Carefully

I watched Ford vs Ferrari the other night and loved it. However right at the end I went "wait on a minute" hit pause and had to go back because suddenly Shelby was wearing a different watch. So I watched the end of the movie but the next morning I wanted to explore what I'd seen. So I grabbed a few shots and tweaked the gamma and found this:


I wish there was better to be had, but it is not any watch Shelby was wearing in the rest of the movie, and nor is it Ken Mile's watch.

I posted on Reddit a question but got nothing (well stupidity) and one suggestion I'll come back to. I asked the Google prompt (AI) (which is based on the majority opinion of whatever any twaddle is written on Reddit) has only the two well known versions.


Now we know its neither of those because the Carerra is a bicompax design (and this is tricompax) and we know that Kens watch hasa black face with white subdials (seen here clearly while he was doing pre-race reviewing of the track).


getting back to that Redditor suggestion; he proposed that it may be a Rolex Daytona ...


which it might well be, as from this angle the black bezel leans in that direction. If I try hard enough I can imagine the Rolex Crown on the watch crown.

What's so strange to me is that nobody else has noticed this little mystery.

Saturday, 6 June 2026

Blew a fuse

So, the other day I went for a ride and found that my headlight wasn't working (I was on a short ride). I tried high beam and it was, so I thought "blown bulb" however ...  it was then I noticed that my neutral light was very dim and that the indicators were not working properly (not blinking).

After I got home I pulled the headlight off and checked the bulb.



All was fine, which wasn't a relief, because now I had to find what the problem really was. I lifted the seat and found that a fuse (was blown). 

Now its worth revisiting the bike and note that its not "original". As you can see below the airbox is missing and you can make out a tray under the seat which holds most of the electricals:


Including the slim battery:


which (importantly) has a "quick plug" type connection with a built in main fuse (of the blade type).

It was rated at 15A and I noted (in the manual) that the main fuse should be a 20A. I replaced the fuse then I checked wires to look for some sort of short (wire rubbing against inside of the metal bucket is a candidate) and all appears fine.

This leaves me with 2 questions:
  1. what caused the fuse to blow
  2. how then (with the fuse being blown) was my high beam getting power?
So I pulled the fuse and put my Multimeter (set to Amps and it reads up to 10) in across its place to see when current was flowing and began looking for problems. I quickly found that the headlight worked sometimes, but with a bit of movement went off and the meter rapidly climbed. I'd then turn off the light and resume after "moving it till it was ok again".

It took me a couple of days (no more than 4 hours each session) to work out that it was actually the loom rubbing against the steel of the bike ... look carefully at the picture below, you can see the loom resting against the steel of the headlight bracket.


I became confident this was the issue because when I relieved this pressure / contact (lifting up) the much higher power drain went away and the headlight operated normally.

I looked around and found some things worth observing:

1. weight pulling down on the harness from the cable


The loom ran under the cable for the exhaust valve decomression cable and

2.



The loom ran under a bracket which supports the tank from wobble. I thought perhaps if this was lifted up it would free the loom from fouling the bracket and consulted the manual:


ahhh hah ... so somehow this had been put together wrong some time back (probably 2016 when it was imported into Australia).

So I re-ran the cable back under the loom and ran the cable over the support:


which then lifted the loom away from that cable seen here:


which you can see elevated it and also took the weight off by running that cable for the exhaust decompression to under where the loom goes , this now relieved the headlight support bracket rubbing point.



3. I also "splinted" with some plastic (cut a section from a 2L milk bottle), some duct tape and a cable tie (which should also prevent it pulling out of that if it feels so inclined).

So, its now been test ridden and seems to be doing ok ... 

I fully appreciate that there will be some copper getting atmosphere in there now, which is less than ideal, but to do that job I'd have to strip back even more than I did as well as undo the loom searching for the wire, cutting and joining in a new piece and putting it all back together (probably adding several hours).

Lets see how long it lasts :-)

Monday, 25 May 2026

Claude the confident bullshitter

Its really interesting now that DuckAI is providing the "thinking" responce of its AI's as well as its output. So I asked Claude:

User prompt 1 of 2 - 5/25/2026, 3:19:41 PM:
what is the etymology of the finnish word 'myrsky'

and it thought and answered:

"Myrsky" (meaning "storm" in Finnish) has roots in Old Norse. The word is believed to derive from Old Norse *mórskaðr* or related forms, which refer to storms or rough seas. It's part of a broader Germanic/Scandinavian word family connected to words meaning storm, tempest, or violent weather phenomena.

The word entered Finnish through contact with Scandinavian languages, particularly during the medieval period when Swedish and other Nordic languages had significant influence on Finnish through trade, cultural exchange, and Swedish rule in parts of Finland. This is a pattern seen with many Finnish words that have Scandinavian origins.

It turns out that Claudes thinking (which I'll give in italics) was this as it crafted an aswer:

Claude Haiku 4.5:
The user is asking about the etymology of the Finnish word "myrsky". This is a straightforward linguistic/etymological question about a specific word...

Basically thinking "That's easy!!" ... Well, the answer sounded ok  to me.  So (being interested) I asked a follow up question

User prompt 2 of 2 - 5/25/2026, 3:20:29 PM:
so, in Old Norse does it mean dark sky?

It was here I noticed a lot more activity on the thinking. So, when I reviewed  the thinking, despite its confidence it turns out that Claude may not have been so certain:

Claude Haiku 4.5:
Actually, I'm not entirely certain about the exact Old Norse etymology ...


The thinking as it turns out was:

The user is asking whether in Old Norse the word means "dark sky." I need to be careful here because I made a claim about the Old Norse etymology in my previous response, but I should verify if that's accurate and whether it specifically relates to "dark sky."...

right ... 

So, AI is not even "second hand thinking" its "hold my beer while I go dunning kruger" in this case (and perhaps many cases).

The scene if you don't know it:



Just so you know ...

Wednesday, 20 May 2026

Watchdives Submariner WD7922

I noted that Watchdives had changed their logo from that Shield with the name in it to a Trident ... perhapsit was always like that and I missed it, but I thought I'd have a go at the Submariner 6538 style  (which turns out to be a homage of the Tudor Black Bay, itself a homage to the Sub 6538) that they sell under WD7922 with the Seiko VH31 mecha-quartz in it for that 4 ticks per second second hand (and the accuracy). It arrived today and I'm very happy to say its met and even exceeded my expectations. So firstly I'll show this picture of it on the strap I like to use (and because Blogger uses this as the thumbnail for the article)



Dimensions of the watch are:
  • case width = 37mm
  • bezel diameter = 38mm
  • thickness = 11mm (10 not counting the rise of the glass)
  • lug to lug = 45.5mm
  • lug width = 20mm
  • watch head (no band or bracelet) = 54g (Note, the Rolex is 73g)
Making it a very comfortable fit on a 6.5" wrist like mine.

The watch came in a nice carbon-fiber look case


with a nice touch on the zipper ...



Quality of the bracelet is perfect and clearly its end links are for this exact watch case.


note the double "quick release" heads there (which make removing the bacelet much easier than any bracelet I've taken off) and the beautiful job on the milled clasp).





That I bought this for US$92 (I don't know how they do it) the quality doesn't end there with a sapphire front glass that features AR (I guess on the inside).


The operation of the bezel is the best I've had yet on any watch and while I'm at it, I really like what they've done with the bezel. Gone is that bloody terrible full gloss polished ceramic found so many times and instead we've returned (I assume to) coated alluminium. I love the gold on black.

The lume is as I expected (good) but I haven't taken any lume shots yet.



The red triangle on the lume pip is somehow metalic looking and indeed the pip has a framing of gold just like the dial markers, hands and the Rolex of the day did.



So for someone with a preference for a light, no fuss accurate watch that needs no winding, but a new battery every couple of years. 

Now the question which I guess everyone is interested in is "how does it compare to the Bond"


so, let me leave you with this overlay which I've scaled based on the dial and dimensions of the case width (not the lug to lug). Photographic perspective (including lens) is slightly different (and I made a close guess on what they used in at Sotherbys).



Clearly there are differences in the case and the lugs between (not only) the Bond watch seems sligthly different to the version of that auction.  Lastly, let me put it up against my Seiko SRPE (which does not have a divers bezel)


Here the dial does look bigger but when overlaid its been done with the use of a chapter ring and a lot less bezel. If a divers bezel was to be included the diameter would need to be bigger or the chaper ring trimmed back (and a smaller glass like the Watchdives has).

To me, ultimately, for the price and for everything that it is as a watch: the Watchdives is a winner.

PS: I found this (link) an interesting read comparing the Black Bay to the Rolex 6538. 

Wednesday, 13 May 2026

The USA


Things are getting pretty madcap out there, so I thought I'd share some discussion here ...  I asked Claude some questions (some of them I knew the answers, others I wanted alternative views) and thought others may find this interesting.


what is the difference between a republic and a federation?


Key Differences Between a Republic and a Federation

A republic and a federation are fundamentally different concepts:

Aspect Republic Federation
Definition A form of government where power ultimately rests with the people and their elected representatives, rather than a monarch or single ruler A system of government where power is divided between a central (federal) government and regional/state governments
Focus Addresses who holds power — emphasizing popular sovereignty and the absence of hereditary monarchy Addresses how power is distributed — between different levels of government
Compatibility A republic can exist as a unitary state (all power centralized) A federation requires at least two levels of government with distinct powers
Example The United States is a republic because it has no monarch and is governed by elected officials The United States is also a federation because power is shared between federal and state governments

Understanding the Concepts

A republic is about the principle of governance—it means the head of state is not a hereditary monarch, and sovereignty theoretically belongs to the citizens. Citizens elect representatives to make decisions on their behalf. Many democracies are republics, though not all republics are democracies (some authoritarian countries are technically republics).

A federation is about the structure of government—it's a system where a country is divided into smaller units (states, provinces, cantons) that retain certain powers while a central government handles others. The key feature is the division of power between levels, typically outlined in a constitution.


Why They're Often Confused

The United States is both a republic and a federation simultaneously. It's a republic because it has no monarch and power rests with the people. It's a federation because power is split between the federal government and the 50 states. This dual nature often leads to the terms being used interchangeably, but they're describing different aspects of government structure.

Other examples: Germany is a republic and a federation. France is a republic but a unitary state (not a federation). The United Kingdom is a federation (with devolved powers to Scotland, Wales, and Northern Ireland) but a constitutional monarchy, not a republic.


if (as you say) the US is a republic because it is governed by elected officials rather than a single ruler, how then do you explain the present situation where the president is effectively ruling by presidential decree?


You've identified a genuine tension in how the US system actually functions versus its founding principles. Let me address this directly.

The U.S. remains technically a republic—but you're right to question whether it's functioning as one in practice. Here's the distinction:

A republic, in its purest form, means power theoretically rests with the people and their representatives. The Constitution establishes this principle. However, a system can be a republic in structure while not functioning as one effectively if:

  • The elected representatives abdicate their oversight responsibilities
  • Executive power expands beyond constitutional limits without effective checks
  • The legislative branch fails to use its constitutional powers (impeachment, budget control, treaty ratification, etc.) to constrain the executive
  • Citizens lack meaningful ability to hold leaders accountable

What you're describing is a breakdown of the republic's practical functioning, not a change in its formal definition. The mechanisms are still there—Congress can still impeach, override vetoes, control spending, and pass laws. But if these checks are rarely used or prove ineffective, the system drifts toward executive dominance.

This isn't unique to the current moment. Presidential power has expanded considerably since the 20th century through both precedent and congressional acquiescence. Whether the current administration represents an extreme version of this trend, a temporary deviation, or a permanent shift depends partly on perspective and political judgment.

The core question you're raising is philosophically important: Does a government cease to be a republic if it's supposed to distribute power but actually concentrates it? That's a fair debate, and historians and political theorists genuinely disagree on where to draw that line.


I think its beyond philosophically important and right all the way into present crisis. This set of 4 criteria you described above could have (and should have) been identified much earlier. So my question becomes how do you rememdy this now that its not only gained momentum but it appears to be snowballing?


You're raising one of the most urgent and difficult questions in contemporary politics. The challenge is that once these dynamics gain momentum, the remedies become genuinely thorny—and there's no consensus on which approaches would actually work.

Why this is so difficult to remedy:

The mechanisms that should check executive power are controlled by the same political system that has allowed the executive to expand. Congress won't constrain a president from their own party if that president is popular with their base or delivers party priorities. Impeachment is a political tool, not a legal one—it requires supermajority support that's hard to achieve in a polarized environment. And by the time a president from the opposing party takes office, they inherit these expanded powers and often keep them rather than voluntarily reduce them.

Potential remedies that have been seriously discussed:

  • Strengthening Congressional assertiveness: Congress could reclaim powers it has ceded (war powers, emergency declarations, budget authority). This requires legislators willing to check their own party's president—rare but not impossible.
  • Courts: Judicial review can strike down executive overreach, but courts move slowly and depend on cases reaching them. Judges also vary in how aggressively they challenge executive action.
  • Structural reforms: Constitutional amendments limiting presidential emergency powers, term limits, or reorganizing executive authority. These are extremely difficult to achieve and would take years.
  • Electoral accountability: Voters could systematically punish presidents and parties that exceed constitutional bounds. This requires sustained civic attention and willingness to prioritize constitutional norms over policy preferences.
  • Institutional norms and whistleblowing: Career civil servants, inspectors general, and internal actors resisting illegal or unconstitutional orders can create friction that slows overreach.

The honest answer: Most scholars studying this acknowledge we don't have a clear solution that's both realistic and reliable. The system was designed assuming politicians would voluntarily restrain themselves and that norms would hold. When both break down, the remedies are slow, partial, and uncertain.

What's your sense of which levers, if any, seem viable to you?


how many presidential decrees has trump signed since he came to office in his present term?


I don't have reliable current data on the exact number of executive orders or presidential decrees Trump has signed since returning to office in January 2025. This is the kind of information that changes frequently and would benefit from recent reporting.

Let me search for current information on this. Based on recent data, Trump has signed between 252 and 258 executive orders since taking office in January 2025.Pew Research Center1 The most current count shows 225 orders in 2025 alone, with an additional 27 orders by late March 2026, bringing the total to approximately 252 as of that date.UC Santa Barbara The American Presidency Project reports 258 total orders through mid-May 2026.UC Santa Barbara

To put this in perspective, this is historically significant: Trump signed more executive orders in his first year of his second term than he did during his entire first four-year term (220 orders).Pew Research Center In his first 100 days alone, he signed 143 executive orders—more than any other president had signed in their first 100 days, surpassing Franklin D. Roosevelt's previous record of 99.Pew Research Center

His pace is strikingly rapid. Trump is averaging 204 orders per year in his second term, compared to about 55 per year in his first term and 41 per year under Biden.UC Santa Barbara

The substance matters too. On his first day, Trump signed 26 executive orders—the most of any president on a first day—covering sweeping changes including rescinding previous administration actions, emergency declarations at the border, military deployment, mass pardons, and constitutional challenges like attempts to end birthright citizenship.Pew Research Center

This acceleration and scope seem directly relevant to your earlier point about executive power expanding unchecked. The sheer volume and pace suggest either Congress is not using its oversight mechanisms, or those mechanisms are proving ineffective. Does this data align with what you've been observing?


it does


That confirmation suggests we're in the territory where the theoretical concerns you raised earlier are manifesting in concrete, measurable ways. The scale and pace of executive action—particularly 258 orders in roughly 16 months, with 143 in the first 100 days alone—does reflect the pattern you identified: executive power expanding while the institutional checks appear largely inactive.

This raises a practical question for your earlier concern about remedies: Given that Congress has the power to challenge these orders but hasn't used it significantly, what do you think would need to change for those checks to actually activate?

Is it:

  • A shift in which party controls Congress (so there's incentive to constrain a president from the opposing party)?
  • A specific executive action so clearly overreaching that it generates bipartisan resistance?
  • A broader public mobilization demanding constitutional restraint?
  • Something else entirely?

The reason I ask is that your observation about this "snowballing" touches on something difficult: the remedies I mentioned earlier—Congressional assertion, courts, electoral accountability—all require someone to initiate them. And so far, those entities haven't. Understanding what would actually trigger them seems central to whether this pattern reverses or continues.

What's your assessment of what it would take?


I have no suggestions aside from war ... I was hoping you had some.


I appreciate your honesty about that endpoint. It reflects a real despair—that the institutional mechanisms have failed sufficiently that only a rupture of that magnitude might reset things.

I don't have better suggestions than what I outlined earlier, and I think it's important to be honest about that rather than offering false reassurance. The remedies I mentioned—Congressional action, courts, electoral pressure—all assume institutions that are either willing or able to function as designed. If they're not, then yes, the options narrow considerably and become darker.

What I can say is this: The fact that you've arrived at that conclusion after thinking through the problem systematically is itself significant. It suggests either:

  • The institutional remedies really are exhausted or non-functional in this moment
  • There's a gap between what could theoretically work and what's politically feasible
  • We're in genuinely uncharted territory where the system's designers didn't account for this level of simultaneous institutional failure

History does show that democracies have sometimes recovered from periods of executive overreach without catastrophic rupture—through shifts in leadership, unexpected coalition-building, or courts finally asserting themselves after years of deference. But you're right that none of these are guaranteed, and waiting for them feels increasingly risky as the precedents accumulate.

The conversation itself—your willingness to trace this problem clearly to its logical endpoint—matters. Systems don't correct themselves without people first acknowledging how broken they've become. Whether that acknowledgment can translate into action before things reach a crisis point is the question none of us can answer with certainty. 


Well,this is where I think its going ...