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Old 11-03-2012, 09:29 AM
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dR-Green dR-Green is offline
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Join Date: Apr 2008
Location: Wales, UK
Posts: 1,557
November 3 2012

Tuning data for the "New Extra Coil #3", wire length based on 119% direct connection velocity factor.











Notes:

It's impossible to tune the concatenated coils to F with a free extra coil (no terminal). A peak is found at a higher frequency, the secondary capacitance is increased, oscillator frequency reduced, but the measured output voltage slowly vanishes as it reaches F. It would seem that these coils want to work at a higher frequency, so tests will be done to that effect.

Differences in "New Extra Coil #3" measurements with the setup unchanged:

September 28 measurements:
Direct = 3676.7 kc
10pF = 3990.5 kc

November 3 measurements:
Direct = 3702 kc
10pF = 4014 kc
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