[ARC5] ARC5 Digest, Vol 135, Issue 21

Mon Apr 13 07:56:55 EDT 2015

Hi Mike,

Many thanks for your link to the Motor-Generator information, both 
interesting and very useful!

Andy

----- Original Message ----- 
From: <arc5-request at mailman.qth.net>
To: <arc5 at mailman.qth.net>
Sent: Monday, April 13, 2015 12:33 PM
Subject: ARC5 Digest, Vol 135, Issue 21

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> Today's Topics:
>
>   1. Loran converter (Michael Bittner)
>   2. T-30 Throat Mike Use (Robert  Eleazer)
>   3. Re: T-30 Throat Mike Use (David Rossetti)
>   4. Re: T-30 Throat Mike Use (WA5CAB--- via ARC5)
>   5. Re: T-30 Throat Mike Use (arc5 at ix.netcom.com)
>   6. Bendix Motor Generator (Andy Young)
>   7. Re: Bendix Motor Generator (Mike Hanz)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 12 Apr 2015 07:55:51 -0700
> From: "Michael Bittner" <mmab at cox.net>
> To: <arc5 at mailman.qth.net>
> Cc: milsurplus at mailman.qth.net
> Subject: [ARC5] Loran converter
> Message-ID: <F3F5D1C969F24A28B302CE9B9B00D407 at miked62f059f40>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Here is the only other LORAN C-to-LORAN A converter I've ever seen besides 
> my own.  Looks like this one has been hacked a bit.  No connection to 
> seller, etc.  Mike, W6MAB
>
> http://www.ebay.com/itm/Vintage-Frequency-Converter-CV-27-UPN-RCAF-115-80-Volt-Ham-Tube-Radio-Equipment-/121619382126?pt=LH_DefaultDomain_0&hash=item1c51147f6e
>
> ---
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>
> ------------------------------
>
> Message: 2
> Date: Sun, 12 Apr 2015 14:44:13 -0400
> From: "Robert  Eleazer" <releazer at earthlink.net>
> To: <arc5 at mailman.qth.net>
> Subject: [ARC5] T-30 Throat Mike Use
> Message-ID: <5AC9BA4C1C0840C49015A2225B2E6B70 at DH26DQ31>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I'm in the process of reading a book entitled, "Flying the B-26 Marauder 
> Over Europe" written by a WWII B-26 navigator.  It has a lot of 
> interesting detail about B-26 operations and it mentions that the crew 
> generally used throat mikes for intercom communications - and that 
> resulted in some amount of garbled communications.
>
> He also mentions that when flying from North Africa to England, ferrying 
> their airplanes to the base they would use, that he noted they had picked 
> up a headwind.  Radio silence had been ordered and they noted the lead 
> aircraft signaling them with a blinker light in Morse.  They finally got 
> the radio operator to come decipher the Morse; it turned out that the lead 
> navigator had noted the headwind as well and was signaling them of the 
> fact. Although aircrew were trained in Morse, that example shows how much 
> they were capable of understanding - very little.
>
> Wayne
>
> ------------------------------
>
> Message: 3
> Date: Sun, 12 Apr 2015 14:17:15 -0500
> From: "David Rossetti" <drossetti at comcast.net>
> To: <arc5 at mailman.qth.net>
> Subject: Re: [ARC5] T-30 Throat Mike Use
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="US-ASCII"
>
> Anyone remember the TV series "12 O'clock High"? They used throat mikes, 
> but
> at the time I didn't know what those were. Guess I figured it out, but 
> still
> wondered what they were doing to communicate with each other, what those
> things on their neck were, and how they worked. Don't believe I have ever
> seen one in real-life; just pictures.
>
> Dave Rossetti
> 410-279-0226 (mobile)
>
> -----Original Message-----
> From: ARC5 [mailto:arc5-bounces at mailman.qth.net] On Behalf Of Robert 
> Eleazer
> Sent: Sunday, April 12, 2015 1:44 PM
> To: arc5 at mailman.qth.net
> Subject: [ARC5] T-30 Throat Mike Use
>
> I'm in the process of reading a book entitled, "Flying the B-26 Marauder
> Over Europe" written by a WWII B-26 navigator.  It has a lot of 
> interesting
> detail about B-26 operations and it mentions that the crew generally used
> throat mikes for intercom communications - and that resulted in some 
> amount
> of garbled communications.
>
> He also mentions that when flying from North Africa to England, ferrying
> their airplanes to the base they would use, that he noted they had picked 
> up
> a headwind.  Radio silence had been ordered and they noted the lead 
> aircraft
> signaling them with a blinker light in Morse.  They finally got the radio
> operator to come decipher the Morse; it turned out that the lead navigator
> had noted the headwind as well and was signaling them of the fact. 
> Although
> aircrew were trained in Morse, that example shows how much they were 
> capable
> of understanding - very little.
>
> Wayne
> ______________________________________________________________
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>
> ------------------------------
>
> Message: 4
> Date: Sun, 12 Apr 2015 15:21:03 -0400
> From: WA5CAB--- via ARC5 <arc5 at mailman.qth.net>
> To: arc5 at mailman.qth.net
> Subject: Re: [ARC5] T-30 Throat Mike Use
> Message-ID: <8c2dd.742d48ed.425c1f9f at cs.com>
> Content-Type: text/plain; charset="US-ASCII"
>
> The T-30 throat mic was replaced mid-war by the T-45 lip mic.  Probably 
> not
> as comfortable to wear but greatly improved fidelity.
>
> In a message dated 04/12/2015 14:17:33 PM Central Daylight Time,
> drossetti at comcast.net writes:
>> Anyone remember the TV series "12 O'clock High"? They used throat mikes,
>> but
>> at the time I didn't know what those were. Guess I figured it out, but
>> still
>> wondered what they were doing to communicate with each other, what those
>> things on their neck were, and how they worked. Don't believe I have ever
>> seen one in real-life; just pictures.
>>
>> Dave Rossetti
>> 410-279-0226 (mobile)
>>
>> -----Original Message-----
>> From: ARC5 [mailto:arc5-bounces at mailman.qth.net] On Behalf Of Robert
>> Eleazer
>> Sent: Sunday, April 12, 2015 1:44 PM
>> To: arc5 at mailman.qth.net
>> Subject: [ARC5] T-30 Throat Mike Use
>>
>> I'm in the process of reading a book entitled, "Flying the B-26 Marauder
>> Over Europe" written by a WWII B-26 navigator.  It has a lot of
>> interesting
>> detail about B-26 operations and it mentions that the crew generally used
>> throat mikes for intercom communications - and that resulted in some
>> amount
>> of garbled communications.
>>
>> He also mentions that when flying from North Africa to England, ferrying
>> their airplanes to the base they would use, that he noted they had picked
>> up
>> a headwind.  Radio silence had been ordered and they noted the lead
>> aircraft
>> signaling them with a blinker light in Morse.  They finally got the radio
>> operator to come decipher the Morse; it turned out that the lead 
>> navigator
>> had noted the headwind as well and was signaling them of the fact.
>> Although
>> aircrew were trained in Morse, that example shows how much they were
>> capable
>> of understanding - very little.
>>
>> Wayne
>>
>
> Robert & Susan Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
>
> ------------------------------
>
> Message: 5
> Date: Sun, 12 Apr 2015 19:57:53 GMT
> From: arc5 at ix.netcom.com <arc5 at ix.netcom.com>
> To: arc5 at mailman.qth.net
> Subject: Re: [ARC5] T-30 Throat Mike Use
> Message-ID: <000f4244.24864e050722bbc1 at ix.netcom.com>
> Content-Type: text/plain; charset="utf-8"
>
>
>
>
>
>
>
>
>
>
>
>
> ------ Original message------From: WA5CAB--- via ARC5Date: Sun, Apr 12, 
> 2015 14:21To: arc5 at mailman.qth.net;Subject:Re: [ARC5] T-30 Throat Mike Use
>>The T-30 throat mic was replaced mid-war by the T-45 lip Mic...And then 
>>the troop griped about it as well.  The things were treated with some kind 
>>of MFP that caused sweating, itching and rashes.  "Can't win for losing." 
>>:-D
>
> ------------------------------
>
> Message: 6
> Date: Mon, 13 Apr 2015 11:02:06 +0100
> From: "Andy Young" <andy-young at supanet.com>
> To: <arc5 at mailman.qth.net>
> Subject: [ARC5] Bendix Motor Generator
> Message-ID: <DE5B93AC6F804D278871065B638F7F6C at AndyPC>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Has anyone got any information on a US-made Motor Generator, purchased by 
> me here in the UK yesterday, please?
>
> It is a Bendix Aviation Eclipse Type 800, Model 1, Style D Motor 
> Generator.
>
> 24/28v DC in, at 75A, 115v AC 800 c/s out, at 10.5A, 1200W.
>
> What system was this used to supply?
>
> Not labelled as military, so may well be for a civilian aircraft 
> application.
>
> Many thanks,
>
> Andy
>
> ------------------------------
>
> Message: 7
> Date: Mon, 13 Apr 2015 07:33:24 -0400
> From: Mike Hanz <aaf-radio-1 at aafradio.org>
> To: Andy Young <andy-young at supanet.com>, arc5 at mailman.qth.net
> Subject: Re: [ARC5] Bendix Motor Generator
> Message-ID: <552BA984.7050404 at aafradio.org>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> Hi Andy,
>
> I have some information on it on my website at
> http://aafradio.org/docs/800-1.htm
> It was used primarily on US Navy aircraft to provide power for comms and
> radar before the transition to 400Hz power.
>
> 73,
> Mike
>
> On 4/13/2015 6:02 AM, Andy Young wrote:
>> Has anyone got any information on a US-made Motor Generator, purchased by 
>> me here in the UK yesterday, please?
>>
>> It is a Bendix Aviation Eclipse Type 800, Model 1, Style D Motor 
>> Generator.
>>
>> 24/28v DC in, at 75A, 115v AC 800 c/s out, at 10.5A, 1200W.
>>
>> What system was this used to supply?
>>
>> Not labelled as military, so may well be for a civilian aircraft 
>> application.
>>
>> Many thanks,
>>
>> Andy
>> ______________________________________________________________
>> ARC5 mailing list
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>>
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>
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>
> End of ARC5 Digest, Vol 135, Issue 21
> *************************************
> 