[Boatanchors] Shaft coupling of Bandswitch and RF Plate choke forSB-220

[Geoff]

Send me a mailing address, Ive plenty of those couplings tossed in a box 
from 6M conversions.

Carl
KM1H


----- Original Message ----- 
From: "Olaf Madsen" <olaf at carolina.rr.com>
To: <boatanchors at mailman.qth.net>
Sent: Friday, April 27, 2012 11:44 AM
Subject: [Boatanchors] Shaft coupling of Bandswitch and RF Plate choke 
forSB-220


>I am fixing up a ''butchered'' Heathkit SB-220 for a friend and still need 
>a
> couple of parts.---- the coupling used for the Bandswitch (Heath # 456-16)
> and the 50 mH RF Plate choke(Heath #45-61)
>
> The bandswitch shafts are 1/4'' dia and have flats on both sides---
>
> Haethkit used a coupling that has these flats to make sure that the switch
> segments get properly indexed.--in an ordinary coupling with just the 
> round
> 1/4'' hole ,the setscrews, by themselves, do not  necessarily provide
> reliable indexing.
>
> Where can I buy or find these ''animals''--
>
> tnx fr ur help.---73 de Olaf,KF4TP---
>
>
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