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Re: off-grid - battery & winter 12V-generator?

From "Jim Wilkins" <muratlanne@gmail.com>
Newsgroups rec.crafts.metalworking
Subject Re: off-grid - battery & winter 12V-generator?
Date 2026-08-06 09:39 -0400
Organization A noiseless patient Spider
Message-ID <11522on$3sb9f$1@dont-email.me> (permalink)
References (4 earlier) <114qvnq$3pe4o$1@dont-email.me><m1jyq6gk7u.fsf@void.com> <114tgr5$3rno7$1@dont-email.me><114trsj$3opk5$1@dont-email.me> <114tt0m$2ia69$1@dont-email.me><114u93f$2l9mu$1@dont-email.me> <m1mrv13rzj.fsf@void.com><1150o7d$3fgr7$1@dont-email.me> <m1ik5nq33k.fsf@void.com>

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"Richard Smith"  wrote in message news:m1ik5nq33k.fsf@void.com...

I believe I recognise the core of these things you try to portray.

I gather there was some of ingenuity in the British defence industry as
it was being benevolently managed by the Government through the 1960's
and 1970's ish.  Someone with a Trade background running a facility
described maintaining a small "free-standing" workshop offline to the
production, where if one of the "boffins" turned-up with an idea, that
"boffin" could try to make it, mentored by technicians, getting all the
wisdom, and "see where it went".

Best wishes
---------------------------
In the US that would be a toolroom or model shop. In my experience the 
primary machine tool was a Bridgeport or clone, doubling as the drill press, 
a lathe was optional. For newer machinery the rotating wear parts a lathe 
can make usually could be bought. For making my own designs from scratch at 
home that's reversed.

The instructor for the ham radio course at Mitre was a retired British radar 
boffin / wizard who was still actively experimenting and building exotic 
hardware. Some of it looked like musical instruments because microwave band 
wavelengths are similar to those of sound, and brass is sufficiently 
conductive and convenient to work with.

Usually the Ph.D gave me a sketch and the data sheets of the critical parts 
he had ordered, then left me alone to implement it. I suspect they didn't 
want to embarrass themselves by revealing they didn't know the practical 
details or methods, I also resoldered stuff their kids had broken. By being 
able to do the mechanical fabrication as well, sheet metal enclosures and 
milled microwave or optical housings, I avoided the inevitable disagreements 
and delays of depending on another tech or shop.

https://www.linkedin.com/pulse/manufacturing-vs-design-which-really-harder-i0b7e
"Plans rarely survive first contact with the production floor."
"Design often sees manufacturing only when something explodes"

The auto exec Ph.D from India whose antilock brake controller failed to pass 
specifications didn't know that available resistors have tolerances, he 
expected 8 digit precision of the 2nd order wheel deceleration curve and its 
detection.

The mechanical engineers at Segway were much more hands-on, I often had to 
use their manual or my own machine tools because the CNC machines were busy.

The old car I'm fixing suffers from shortcuts that let water enter and 
collect where it shouldn't. For instance a moderate buildup of tree debris 
in the cowl will let water flood over the low cabin air intake lip and pool 
on the passenger floor. The cowl end drains allowed water and debris to 
enter the areas that rusted. Cleaning the cowl channel meant breaking some 
of the snap-in plastic retainers the dealer charges several $ apiece for. 
They are now all stainless screws and U clips. The push clips are tolerable 
to install and remove if stainless screws replace the plastic expansion 
pins.

I attend classic car shows to learn how others made repairs. Too often I 
learn they were skilled at writing big checks.

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Thread

off-grid - battery & winter 12V-generator? Richard Smith <null@void.com> - 2026-07-30 13:11 +0100
  Re: off-grid - battery & winter 12V-generator? Carl <carl.ijamesXX@YYverizon.net> - 2026-07-30 10:25 -0400
    Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-07-30 14:37 -0400
      Re: off-grid - battery & winter 12V-generator? Carl <carl.ijamesXX@YYverizon.net> - 2026-07-30 16:17 -0400
        Re: off-grid - battery & winter 12V-generator? Richard Smith <null@void.com> - 2026-07-30 21:33 +0100
          Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-07-30 19:12 -0400
    Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-07-30 15:22 -0400
  Re: off-grid - battery & winter 12V-generator? bp@www.zefox.net - 2026-07-30 15:45 +0000
  Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-07-30 13:56 -0400
    Re: off-grid - battery & winter 12V-generator? Richard Smith <null@void.com> - 2026-07-30 21:49 +0100
      Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-07-31 08:23 -0400
    Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-07-30 22:47 -0400
  Re: off-grid - battery & winter 12V-generator? Bob La Londe <none@none.com99> - 2026-07-31 11:27 -0700
    Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-07-31 16:00 -0400
      Re: off-grid - battery & winter 12V-generator? Bob La Londe <none@none.com99> - 2026-07-31 16:30 -0700
        Re: off-grid - battery & winter 12V-generator? Clare Snyder <clare@snyder.on.ca> - 2026-07-31 22:23 -0400
        Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-07-31 22:46 -0400
          Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-01 09:14 -0400
          Re: off-grid - battery & winter 12V-generator? Bob La Londe <none@none.com99> - 2026-08-01 11:18 -0700
            Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-01 16:07 -0400
            Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-02 21:45 -0400
            Re: off-grid - battery & winter 12V-generator? Richard Smith <null@void.com> - 2026-08-03 21:13 +0100
              Re: off-grid - battery & winter 12V-generator? Bob La Londe <none@none.com99> - 2026-08-03 14:03 -0700
                Re: off-grid - battery & winter 12V-generator? Richard Smith <null@void.com> - 2026-08-04 13:10 +0100
                Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-04 10:04 -0400
                Re: off-grid - battery & winter 12V-generator? Bob La Londe <none@none.com99> - 2026-08-04 13:08 -0700
                Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-04 18:24 -0400
                Re: off-grid - battery & winter 12V-generator? Bob La Londe <none@none.com99> - 2026-08-04 15:47 -0700
                Re: off-grid - battery & winter 12V-generator? Bob La Londe <none@none.com99> - 2026-08-04 16:16 -0700
                Re: off-grid - battery & winter 12V-generator? Bob La Londe <none@none.com99> - 2026-08-04 16:30 -0700
                Re: off-grid - battery & winter 12V-generator? David Billington <djb@invalid.com> - 2026-08-05 00:35 +0100
                Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-04 23:02 -0400
                Re: off-grid - battery & winter 12V-generator? Richard Smith <null@void.com> - 2026-08-05 09:13 +0100
                Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-05 09:32 -0400
                Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-05 10:06 -0400
                Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-05 21:33 -0400
                Re: off-grid - battery & winter 12V-generator? Richard Smith <null@void.com> - 2026-08-06 05:34 +0100
                Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-06 09:39 -0400
              Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-03 18:23 -0400
    Re: off-grid - battery & winter 12V-generator? Richard Smith <null@void.com> - 2026-08-03 19:47 +0100
      Re: off-grid - battery & winter 12V-generator? "Jim Wilkins" <muratlanne@gmail.com> - 2026-08-03 16:10 -0400

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