[Collins] In Re: KWS-1

[Dr. Gerald N. Johnson]

On 10/22/2010 2:34 PM, Howard Weeks wrote:
> My blower wouldn't turn at all when I first got the KWS-1.  I removed
> it, disassembled, cleaned, and relubed it.  Been fine ever since.
>
> I use a flexible radiator hose for the air connection.  No problems
> there either.

The corrugations probably restrict the air flow a little. But I don't 
know what the original hose was like.
>
> I do seem to have what I think is a neutralization problem with it.
> When bringing up the carrier level, the plate current starts up in a
> linear fashion relative to the knob but then takes a small dip before
> it continues on up.  Appears to work okay otherwise.  Haven't had it
> on in many years so haven't spent any time trying to correct the
> problem.

Sounds to me more like a bad spot on the drive control pot. 
Neutralization shows up more of a problem with the peak output doesn't 
match plate current dip exactly.

73, Jerry, K0CQ, Technical Adviser to the Collins Radio Association
>
> Howard K5JCP
>
>