14-04-2013, 09:14 AM
Some general thoughts.....Another alternative to the HRO tuning mech would be one from a scrap BC221 Frequency Meter, the reduction drive is 100:1 (50 turns for 180 deg. rotation) and is a nice unit, the BC221 has a high quality tuning capacitor as well, the value of which is not that far off what's needed, in fact the BC221 has a good cabinet and chassis to build everything in...
Lawrence.
Lawrence.
