[HBR] Coils

[Bill W2DGB]

This has been a concern of mine for some time, having built numerous HBR 
coils a la TC.  I really don't like using the Duco...it gives a marginal job 
in MHO.   One thought was to do what National did back in the 30s, by 
cutting slots for the wire. Too complicated, and I don't have a machine shop 
with a thread cutter.  Next thought was to spray with Krylon clear coating, 
but I am concerned that it might affect the coil Q.  But I really don't 
know.  A very thin coat, just enough to fix the windings in place??? 
Perhaps someone can help out here.

Bill Fizette   w2dgb


----- Original Message ----- 
From: "WA5VGO" <hbrnut at earthlink.net>
To: <hbr at mailman.qth.net>
Sent: Sunday, December 24, 2006 10:05 AM
Subject: [HBR] Coils


> Does anyone have a better method than using strips of Duco cement for 
> attaching coil windings to polystyrene coil forms?
>
> 73,
> Darrell, WA5VGO
>
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