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RE: secondary ratios?



Original poster: "Neil Richardson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <neil-at-opticalrealities-dot-com>

Right, the ratio should be 1:5. So your secondary should be about 20" tall.
24" will be good enuf, as long it it is 1:4-1:6 it will be great.
>
> hi all,
>        im starting the build of my second coil 4" secondary.
> what length would be recommended for this diameter?
> my primary is built from 8mm copper tube with ten turns flat spiral
> configaration