[Milsurplus] rotary inverter

[WA5CAB at cs.com]

And according to the Green Book (I think that's where I read it), troops on 
Guadalcanal complained that the GN-45 was noisy enough to draw fire!

In a message dated 2/1/2005 5:41:50 PM Central Standard Time, W7QHO at aol.com 
writes: 
> I have the 115/230vac, 60HZ to 115vac, 800HZ MG set that went with the TBW. 
>  Screams like a banshee.  First time I turned it on thought I had big time 
> bearing problems but when I cut excitation to the generator only heard normal 
> mechanical whirr.  Appears that the generator frame and magnetic circuit form 
> an acoustic transponder.  Hear the same kind of thing with a 400HZ MG set I 
> have but not nearly as loud.
> 

Robert Downs - Houston
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