[HBR] Coils

[TC Dailey]

hmmmm - I was always told that 160m coils were "nonexistentium" - got specs?
----- Original Message ----- 
From: "B. Smith" <smithab11 at comcast.net>
To: "HBR Receiver List" <hbr at mailman.qth.net>
Sent: Tuesday, December 31, 2013 10:13 AM
Subject: [HBR] Coils


> I've tried several cements and quite honestly can not tell much 
> different in Q using the Heath Q meter. I think for amateur radio 
> purposes just about any evaporate cement, model airplane hobby glue will 
> suffice.  I don't think there are many of us that could measure the 
> "loss" of receiver performance after a loss in Q of 10 etc., But I would 
> never cover the whole coil just tack down the turns 3 or four places as 
> you go around the form. You might want to change it slightly later.  
> When using the  larger coil form that have "ribs" I usually just leave 
> the windings alone and not glue them, the ribs work well.
> Besides its fun to experiment with the windings.
> Speaking of coils, leave room in the top of your receiver for the longer 
> 160 meter coils. :-)
> 
> k4che
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