[Hammarlund] Electrolytics for two HQ 129X

RJ Mattson rjmattson at hvi.net
Mon Mar 13 18:57:48 EST 2006


There are such long leads from that 4 section to the terminals.
I just cut the leads, left the cap there for historians and put 4 modern 
caps right where they are needed. Works great.
bob...w2ami

----- Original Message ----- 
From: "John King" <k5pgw at yahoo.com>
To: <Hammarlund at mailman.qth.net>
Sent: Monday, March 13, 2006 5:46 PM
Subject: [Hammarlund] Electrolytics for two HQ 129X


> Am recaqpping two HQ 129X receivers and need the four
> section celectrolytics for them. They are triple 10
> mfd @ 450 wv and one section at 20 mfd @ 25 wv.
>
> Does anyone know a source for these caps? Exact
> capacitance doesn't seem to be necessary. Working
> voltage of 450 seems high, but that is what the parts
> list calls for. I guess in 1948, the insulation wasn't
> as precisely made and the tolerances weren't as close
> so they felt that if thyey shot for 450 working vdc
> that there should be enough of a safety margin.
>
> I just recapped one of them except for the
> electrolytics and guess what, I fired it up and the
> foursection electrolytic began its' bubbling act.
> Thanks and 73, John, K5PGW
>
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