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Thank you Bert & Matt, I do have the perfect moderate size coil and two identical MMC's [10 nf X 30 KV] to play around with. I also have 2 Franceformer 60/30's and 2- 75/30's I can parallel. Doug On Sun, Mar 17, 2019 at 2:58 PM Matthew Deming <mddeming44@xxxxxxxxx> wrote: > Oops that should read Cp x Lp = Cs x Ls. Damned phone keeps changing > things😊 > > On Sun, Mar 17, 2019, 2:21 PM Matthew Deming <mddeming44@xxxxxxxxx> wrote: > > > To maintain resonance Cp x Lp = Vs x Ls . So if you double Co then you > > need to either reduce Lp by 50% or double Cs. Tapping the primary at > fewer > > turns is the easiest way, but the smaller inductance means higher initial > > in-rush current which can stress your caps etc. Good design is always a > > balancing act. > > > > On Sun, Mar 17, 2019, 1:58 PM Douglas Johnson <doug379306@xxxxxxxxx> > > wrote: > > > >> Using Teslamap to configure a coil,if the Optimum MMC Capacitance for SG > >> coil calls for 10nf, > >> How Would the resulting performance of the coil be affected using a MMC > of > >> 20nf? > >> Doug > >> _______________________________________________ > >> Tesla mailing list > >> Tesla@xxxxxxxxxxxxxxxxxx > >> https://www.pupman.com/mailman/listinfo/tesla > >> > > > _______________________________________________ > Tesla mailing list > Tesla@xxxxxxxxxxxxxxxxxx > https://www.pupman.com/mailman/listinfo/tesla > _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxxxxxxxxxx https://www.pupman.com/mailman/listinfo/tesla