[Heath] Need help accessing the Heath Archives....

[G3OOU at aol.com]

Hi Guy
 
Looking at the structure of the LMO tuning capacitor, I would not expect it 
 to exhibit a linear tuning characteristic over 180 degree travel which is 
why  the designers deliberately restricted the travel to around 20 degrees 
less than  180. The missing parts at each end of the travel will not have a 
linear  frequency characteristic so are restricted from use by the stop 
mechanism.
 
I am currently rebuilding an LMO for another project as the tuning  
capacitor and worm drive are in good condition.
 
73

Bob

Bob F Burns G3OOU,  G-QRP 6907, @BobFBurns
Crystal Palace Radio & Electronics Club: _www.g3oou.co.uk_ 
(http://www.g3oou.co.uk/) 
Technical web site: _www.qsl.net/g3oou  

 
In a message dated 17/01/2016 01:00:14 GMT Standard Time, gggdds at js-net.com 
 writes:



How do you do it?  I'm rebuilding an LMO, setting up  the stops, and I 
can't get a full 180 degrees on the variable cap inside the  LMO....I get 
"almost" 180, but not quite....would like to read the archives,  as I'm sure 
someone else has delved into this before.
Guy,
WA6OQQ
-- 



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