[Boatanchors] [Heathkit:Yahoo] Long Threaded Shafts

Bruce Long coolbrucelong at yahoo.com
Mon Sep 15 18:27:35 EDT 2014

Digikey has two single turn 100 K pots with two inch long shafts  

RV4NJ104C-ND is one part number   a little pricey at $9.00 and there is another long shaft 100 K 2W pot in stock a Honeywell number at $12.00 still cheaper than an ordinary pot and a shaft extension.

I choose 100 K as a generic value suitable for many vacuum tube control circuits

Saw off the excess shaft with a hacksaw  I've done this many times with Radio Shack pots which for some reason always had long shafts


 From: Brian Carling <bcarling at cfl.rr.com>
To: "heathkit at yahoogroups.com" <heathkit at yahoogroups.com> 
Cc: BOATANCHORS2 LIST <boatanchors at mailman.qth.net>; Heathkit-Radios <Heathkit-Radios at egroups.com>; Heathkit2 <heathkit at mailman.qth.net>; "<Heathkit_HFAmps at yahoogroups.com>" <Heathkit_HFAmps at yahoogroups.com>; Heathkit1 <heath at puck.nether.net>; Boatanchors3 List <boatanchors at puck.nether.net> 
Sent: Monday, September 15, 2014 6:07 PM
Subject: Re: [Boatanchors] [Heathkit:Yahoo] Long Threaded Shafts

Perhaps an extension shaft can be fabricated.

Best regards - Brian Carling
AF4K Crystals Co.
117 Sterling Pine St.
Sanford, FL 32773

Tel: +USA 321-262-5471

> On Sep 15, 2014, at 11:32 AM, "'Gary H. Harmon, Jr.' gharmon at idworld.net [heathkit]" <heathkit at yahoogroups.com> wrote:
> The Apache and Mohawk and possibly other Heathkits use pots with a 9/16 threaded shaft.  The pots available now do not have that amount of threaded length.  The original pot is not available.  Has anyone developed a way to adapt a current pot to the required 9/16 length needed to get through the chassis, panel, etc?
> Hopefully my question is clear.
> Thanks in advance.
> 73,
> Gary H. Harmon, Jr. - K5JWK - HAM Radio Archaeologist
> 6003 Archwood
> San Antonio, TX 78239-1504
> 210.657.1549h / 210.884.6926c/t
> gharmon (at) idworld.net
> __._,_.___
> Posted by: "Gary H. Harmon, Jr." <gharmon at idworld.net>
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