[ARC5] [Milsurplus] Very Cool SCR-274N Modulator - PE-101 mod update.

[jcoward5452 at aol.com]

I don't think I read it in'56 (I was 4).Probably in High School or 
early college.Way back then I found a bunch of Ham stuff on the 
curbside garbage pick up including a lot of old radio and ham 
books.Helped ignite the spark so to speak.
 Jay


-----Original Message-----
From: mac <w7qho at aol.com>
To: mac <w7qho at aol.com>
Cc: jcoward5452 at aol.com; arc5 at mailman.qth.net; WA5CAB at cs.com; 
milsurplus at mailman.qth.net
Sent: Sun, Jul 19, 2009 1:04 pm
Subject: Re: [ARC5] [Milsurplus] Very Cool SCR-274N Modulator - PE-101 
mod update.


OK, found it in 1956 CQ Mobile handbook. Mod involved rewiring the two 
motor commutators from a "simplex lap" wound configuration to a 
"multiplex" type winding. Details pp 28 - 30. Required unsoldering and 
rewiring the connections to the motor commutator bars. 
 
Dennis D. W7QHO 
Glendale, CA 
 
On Jul 19, 2009, at 12:47 PM, mac wrote: 
 
> Jay, 
> 
> Commutator rewire of a PE-101 for 6 volt operation as I remember. 
> Converted the motor side from a wave to a lap type winding (or maybe 
> the other way around, took DC Machinery 101 a long time ago :^). And 
> yes, looked like a lot of work. 
> 
> Dennis D. W7QHO 
> Glendale, CA 
> 
> On Jul 19, 2009, at 12:00 PM, jcoward5452 at aol.com wrote: 
> 
>> I vaguely remember reading something long ago,maybe in the CQ Mobile 
>> handbook about re-wireing th
e commutator to modify dynamotors It 
>> seemed 
>> like a lot of work. 
> 
> ______________________________________________________________ 
> ARC5 mailing list 
> Home: http://mailman.qth.net/mailman/listinfo/arc5 
> Help: http://mailman.qth.net/mmfaq.htm 
> Post: mailto:ARC5 at mailman.qth.net 
> 
> This list hosted by: http://www.qsl.net 
> Please help support this email list: http://www.qsl.net/donate.html