[R-390] Question for Historians

[Joe Foley]

--- Dave Faria <Dave_Faria@hotmail.com> wrote:
> GE List.  I'm working on a very nice Capehart 1961
> contract.  All modules
> are Capehart except the P.S.(Stewart-Warner) and the
> PTO(Progestron).  Did
> Capehart ever make its own P.S. or PTO?
> 
> A techincal question - the PTO seems to be very
> sensitive to vibration.  I
> know this PTO is built like the Collins but, don't
> recall a Collins PTO
> being this sensitive.  I swapped out the 6BA6 and it
> helped some but, the
> sensitivity to vibration is still there.  Its like
> the grids in the tube are
> vibrating or a bad ground(I hope not).
+++++++++
That'd be very likely, check the ground strap on the
PTO shaft.

Joe

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