|Subject:||Re: [TowerTalk] 40-2CD|
|Date:||Tue, 04 Dec 2007 20:41:42 -0600|
I counted 66 turns on my XM240 coils. Maybe that's the reason I had a
lot of trouble getting it to go low enough in frequency.|
I would expect to see some kind of difference, either element length or coil turns, between the XM240 and 40-2CD. That U shaped support channel used on the XM240 significantly increases the effective diameter of the element, for the length of the channel.
Doug Renwick wrote:
Historically it would be best to replace the self taping SS screw and replace it with a bolt. I drilled the hole through with a 5/32" bit, and used a 6-32 x 1 1/4" SS bolt and filed the bolt flush to the surface of the nut. I put a #6 SS flat washer on the coil and a star washer at the nut.
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