[ARC5] Zener Question and P-61 Info
J. Forster
jfor at quik.com
Sun Jan 9 14:08:41 EST 2011
Which has a better chance of the crew surviving? Ditching or bailing out?
Best,
-John
==============
> If you get lost you don't bail out until you are out of fuel. If you are
> over water you ditch rather than bailing out.
>
> Bob Macklin
> K5MYJ
> Seattle, Wa.
> "Real Radios Glow In The Dark"
> ----- Original Message -----
> From: "Robert Eleazer" <releazer at earthlink.net>
> To: <arc5 at mailman.qth.net>
> Sent: Sunday, January 09, 2011 10:31 AM
> Subject: [ARC5] Zener Question and P-61 Info
>
>
>> Stupid question:
>>
>> As far as limiting PS output voltage why could you not take a suitably
>> rated zener and put it in SERIES with the B+ line? For low current
>> drain
>> levels I think this would "clip" the voltage by the rating of the zener,
>> wouldn't it?
>>
>> This would not provide regulation but simply a constant voltage drop,
>> which is what I think you want to run a Command Set safely.
>>
>> So if you have a PS that is putting out 300V and you want 250 or less
>> put
>> a 60V zener in series to get it down.
>>
>> Also over at http://www.nightfighter.us/ there is a description of a
>> P-61
>> RO WWII experiences. And it seems they lost an airplane because the
>> intercom failed! With a failed intercom the pilot could not get radar
>> navigation help from the RO and they got lost and bailed out. Seems
>> absurd but I can see how that would happen in such a case.
>>
>> Wayne
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