[Milsurplus] Re: BC 191, etc

[WA5CAB at cs.com]

Clete,

The largest model was the RA-34-A (by several inches).  In general, each 
successive group of models (B, C, D, then E, F, G and finally H and J) were 
smaller than the previous.  All models except the H used 866-A's for the HV 
rectifiers.

The RA-34-A used a pair of half-wave tube-type rectifiers for the 12 VDC 
relay supply.  I finally tracked down the SIG Stk Number which references a 
6-digit GE number but doesn't say what sort of rectifier they are.  RA-34-B, C and D 
used a full-wave tube-type LV rectifier, also a GE number plus a WEMCo number 
is given.  All subsequent models used selenium rectifiers.

If your memory remembers a single LV rectifier tube, then the RA-34 would 
seem to be a B, C or D.  For reference, the BCD's are 20" wide and weigh 245 
pounds (not including the CH-57-(*) Chest).  RA-34-A is 26" wide but weighs "only" 
239 pounds less chest.  I have a CH-57-A chest if anyone needs it.  All of 
the RA-34's I have are G or later.  Ten years ago, I could still pick them up.  
:-)

In a message dated 9/30/2007 1:03:04 PM Central Daylight Time, jfor at quik.com 
writes: 
> You mean a Tungar bulb?
> -John
> 
> 
> C. Whitaker wrote:
> 
> >deWB2CPN
> >Which model of the RA-34 was much larger
> >than the others, and had a big rectifier
> >tube with a carbon button for a plate?
> >A lot of the battery chargers for automobile
> >batteries used these tubes.
> >73  Clete
> 

Robert Downs - Houston
<http://www.wa5cab.com> (Web Store)
MVPA 9480
<wa5cab at cs.com> (Primary email)
<wa5cab at comcast.net> (Backup email)
   
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.qth.net/pipermail/milsurplus/attachments/20071001/3192a425/attachment.htm