[ARC5] Zener Question and P-61 Info

[Todd, KA1KAQ]

I think there are a few in museums, none flying (yet).

This one is being rebuilt to airworthy condition after being plucked
off the side of a mountain in New Guinea. Very interesting story
behind it. A program on one of the cable channels showed some of the
recovery efforts several years back.

http://www.maam.org/p61.html

There are a lot of good photos, including several of the
well-outfitted radar and radio compartment.

Can't wait to see it back in the air -

~ Todd,  KA1KAQ/4



On Fri, Jan 14, 2011 at 8:22 PM,  <jcoward5452 at aol.com> wrote:
>
>
> Any surviving P-61's? A very cool and capable aircraft with some very cool features like LOTS of GUNS and Radar for night fighting. I wonder what it must have been like for the P-61 aircrew to fight with a machine like that beast in the dark and relying on instruments and the latest avionics and EW gear during the last air battles of  WWII?
>  Jay KE6PPF
>  PS just started to read "Last Stand of the Tin Can Sailors"and the author is "getting it right" in the first pages describing "Talk Between Ships" radio circuit and how propogation can do weird things sometimes.
>
>
>
>
>
> -----Original Message-----
> From: Bob Macklin <macklinbob at msn.com>
> To: jfor <jfor at quik.com>
> Cc: arc5 <arc5 at mailman.qth.net>; Robert Eleazer <releazer at earthlink.net>
> Sent: Sun, Jan 9, 2011 11:40 am
> Subject: Re: [ARC5] Zener Question and P-61 Info
>
>
> When over water ditching is the better option. Unless the aircraft is on
> ire or disintegrating.
> Bob Macklin
> 5MYJ
> eattle, Wa.
> Real Radios Glow In The Dark"
> ---- Original Message -----
> rom: "J. Forster" <jfor at quik.com>
> o: "Bob Macklin" <macklinbob at msn.com>
> c: "Robert Eleazer" <releazer at earthlink.net>; <arc5 at mailman.qth.net>
> ent: Sunday, January 09, 2011 11:08 AM
> ubject: Re: [ARC5] Zener Question and P-61 Info
>
>  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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