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Re: Coil Trouble



Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx>

You could try to remove one inner turn of the primary if clearance is a
problem and you have enough outer turns.

Gerry R.


> >Original poster: Bob81818@xxxxxxx > > > > If I were to go about lowering the secondary to increase coupling, > > I'd have to make my primary opening bigger to make sure of no arc overs. > > Right? 0.375" above primary for a k of 0.153 would leave just 0.375" give > > or take a little. Somehow I doubt that's sufficient space between coils. > > I built my primary for my 3.5" coil but sense it fit closely enough to my > > new coil diameter I used it. Otherwise I wouldn't have left myself so > > little space. The caps were about 47nF. As for the 4 stack, do they have > > to have a center tap ground to work properly? Am I on the right track on > > all the figuring or am I missing something? Please let me know, Thanks > > for the help so far. > > Dan E. > > > > > >