On Mon, 24 Aug 2015 18:18:14 -0400, you wrote: >If you do drop one into a modern circuit, its worth noting that the crystal >in an FT style holder has another capacitor in it when compared to the model of >a modern (plated electrode) crystal. The air gap is the source of the element. >Net >result is that (without the toothpaste) they are a bit harder to tune.
What you do is take the FT-243 holder apart and drill a hole in the side for a screw that bears on the spring that holds the crystal and metal holder "sandwich" together. You can get a few *Kc change varying the pressure. *proper units for the time. -- Gary Woods AKA K2AHC- PGP key on request, or at home.earthlink.net/~garygarlic Zone 5/4 in upstate New York, 1420' elevation. NY WO G _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
