[ARC5] [MRCG] SCR-515/ABA IFF Code Wheels

[Dennis Monticelli]

FYI.  Programming 3D printers has a long learning curve.  Thermoplastics
are used in the affordable machines and that material somewhat soft.  It
may not last a long time in code wheel service but that may be OK.

Denny

On Sun, Jan 31, 2016 at 2:27 PM, Bart Lee <kv6lee at gmail.com> wrote:

> Code Wheels
>
>
> Speaking of Hen's Teeth, the Flea market of the California Historical
> Radio Society bestowed upon me a: Radiac Meter IM=108 PD (Army, *circa*
> 1957) which turns out to be a 3 MHz crystal controlled transmitter with an
> 807 output tube ~~ and it is keyed by a code wheel.  How it works and what
> is does is a long story I'm happy to tell anyone who is interested (
> KV6LEE at gmail.com).  But we're looking for code wheels, maybe even the
> same type. (Did they have to re-invent the wheel?  Probably.) It has great
> potential as beacon transmitter for at least 80 meters for our station W6CF.
>
>
> Some have suggested we look to 3-D printing to make one or more up.  This
> is a viable alternative.  The nearest MakerSpace can help.
>
>
> 73 de Bart K6VK ##
>
> -- --
> Bart Lee,
> Attorney at Law
> Office Phone 415 956 5959 x203
> Office Fax Line 415 362 1431
> Cell Phone 415 902 7168
> Snail Mail: 388 Market St #900
> San Francisco, CA 94111-5311
> www.bartlee.com
> <http://www.LawForHams.com>
>
>
> On Sat, Jan 30, 2016 at 1:17 PM, Mark J. Blair <nf6x at nf6x.net> wrote:
>
>> I've been contacted by a 96 year old collector named Harold Meltzer who
>> is looking for a single code wheel for the SCR-515/ABA IFF set to complete
>> a display he's working on. Interestingly, he was actually involved in the
>> development at GE-Bridgeport in 1941!
>>
>> I no longer have any SCR-515 gear in my collection.
>>
>> If anybody has one of these hen's-teeth for Harold, I can pass a message
>> along to him or you can email him directly:
>>
>> harolddeador at comcast.net
>>
>> --
>> Mark J. Blair, NF6X <nf6x at nf6x.net>
>> http://www.nf6x.net/
>>
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