[HBR] Eddystone Three Section Variable Capacitor Question

Whitebear1122 whitebear1122 at comcast.net
Sun Mar 16 19:26:23 EDT 2014


Thanks Breck for the advice.  I'm looking into it.  I have some 1/8" aluminum strips that will work like you said.  I'm thinking of mounting the capacitor to the top aluminum plate using some 1/4" screws, then stack up three plates and attach the whole shebang to the chassis using standard #6-32 screws of the right length.  Thanks. 73, Scott WA9WFA

On Mar 14, 2014, at 8:55 PM, B. Smith <smithab11 at comcast.net> wrote:

> I highly recommend cutting  several  1/4 inch aluminum sections- - for instance 1/2  inch by 2 inch sections  and use your  hardware to stabilize each end of the variable tuning  capacitor. The 1/4 stock is easy to saw with hand tools and is available at any home supply store. Past experience with a variable  cap mounted with several bolts and using nuts as spacers had resulted in unstable results.   A couple of photos of the variable capacitor and the aluminum spacers can be seen:
> http://k4che.com/HBR/Cabinet/Cabinet.htm
> 73 k4che
> 
> It looks like my application would need two 1" screws and 6 nuts to get the capacitor stood off the chassis and snugged down tightly, and allow bit of alignment. 73, Scott WA9WFA
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