I would also make sure the rotor shaft is WELL isolated from the front
frame (and your hand!) by using some kind of long non-conducting shaft
extention. You don't want the value of the circuit changing as you touch
the tuning knob.
Dennis
> I have a dual (split-stator) 20-100pF air cap, 0.040" gap (so ~1500V)
> I need a single 15-50pF, 3000V for a tank tuning cap.
> So is there any reason I can't simply series-connect the split stators and
> float the rotor? Obviously the rotor must be isolated from the chassis
> now, and I won't get 20/2=10pF min due to frame effects, but I only need
> 15...anything I'm missing?
> TIA,
>
>
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