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Re: [Amps] Palstar Commander II VHF Amp Issue

To: Amplifiers <Amps@contesting.com>
Subject: Re: [Amps] Palstar Commander II VHF Amp Issue
From: Richard Solomon <dickw1ksz@gmail.com>
Date: Sun, 27 Oct 2019 19:08:19 -0700
List-post: <mailto:amps@contesting.com>
I have verified that the XFMR
is indeed arcing over.

My crazy idea was in no way
intended to be permanent, but
just an interim fix until I can find
a replacement.

The Antek Toroids may work, I
just need to see how I can cram
them into the available space.

The 1500VA ones are too big, and
I would need to stack a pair of the
800VA units to get what I need.

I'll talk to them this week.

As an alternative, who rewinds
XFMR's these days ?

Tnx for the replies,

73, Dick, W1KSZ

On Sun, Oct 27, 2019 at 6:34 PM Ken Claerbout <kenk4zw@gmail.com> wrote:

> Hi Dick - I might do it, to confirm the transformer is in fact shorted.  I
> would not use it as a permanent fix.  The risk is just too great.
>
> 73
> Ken K4ZW
>
> On Sun, Oct 27, 2019 at 9:08 PM Richard Solomon <dickw1ksz@gmail.com>
> wrote:
>
>> I picked up the 2 Meter Model,
>> knowing it had an issue (Main
>> Fuse blows). It was priced right.
>>
>> I had hoped it was a problem
>> with the Filter Caps or Diodes,
>> but it looks like the HV Secondary
>> is arcing over to the Frame.
>>
>> A replacement may not be possible
>> so I am looking at a substitute.
>>
>> Antek looks possible and I will be
>> contacting them later this week.
>>
>> But, the Dr. Frankenstein in me is
>> thinking of floating the transformer
>> on a piece of Plexiglass until I find
>> a replacement. Am I nuts or what ??
>>
>> Another thought is to dis-assemble
>> the transformer to see if I can locate
>> the arc-over on the coil. But that's a
>> lot of work.
>>
>> What is the opinion of the "floating"
>> idea ??
>>
>> Or, does anyone have a parts unit with
>> a good transformer ?
>>
>> Tnx es 73, Dick, W1KSZ
>> _______________________________________________
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>>
>
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