[ARC5] [armyradios] BC-221 Testing Results
Geoff
geoffrey at jeremy.mv.com
Mon Nov 26 19:02:16 EST 2012
The Japs and later the North Koreans as well were stunned when shells
followed them right into their caves.
Sent: Sunday, November 25, 2012 2:42 PM
Subject: Re: [ARC5] [armyradios] BC-221 Testing Results
> Modern mechanical engineers should take a look at what WWII Battleship
> Dead Reckoning ande Fire Control computers were like.
>
> They are better art (and engineering) than what hangs in many museums. The
> even had mechaqnical integrators and, wait for it, differentiators. I was
> stunned by the sheer cleverness.
>
> -John
>
> =====================
>
>
>
>> On 24 Nov 2012 at 10:48, Jay Coward wrote:
>>
>>> Another
>>> surprise to me was the TS-1 oscillator used with the AN/ARR-1 Homing
>>> adapter. This is a cavity tuned unit set to 245 MHz. It was off by 30
>>> Hz as measured with an Agilent spectrum analyzer. Jay
>>
>> But, but, but...... those old timers were stupid compared with we
>> smarty-pants engineers with our powerful 'pooters today! How could they
>> possibly have done that?!?!? Slide-rules? What are those? Gee...your
>> Agilent measuring equipment MUST be off, or not recently calibrated, or
>> you
>> read it wrong, or didn't have your glasses on, or your glasses
>> prescription is
>> out of date, or you're too damned old, or.....
>>
>> Crap! What a bunch of arrogant idiots!
>>
>> A "technician" friend of mine at a midwestern university bought an R-389
>> from me some time back.
>>
>> His shop assistant was a young woman who was working towards a degree
>> in mechanical engineering.
>>
>> When my friend unpacked the R-389, she sniffed and turned up her nose. It
>> was too big, had too many of those ancient vacuum tubes in it, too heavy,
>> and drew too much power, and was simply "not with it"....until he plugged
>> it
>> in, turned it on, and activated the motor-driven permeability tuning.
>>
>> Then her eyes bugged out, and her mouth dropped open, and she spent the
>> rest of the day operating the motor drive and watching the slug-racks go
>> up
>> and down at different rates, and different directions, and different
>> distances,
>> and she didn't say another word.
>>
>> Too bad all of these modern engineers can't be taught a little
>> humility...
>>
>> Ken W7EKB
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>
>
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