big secondaries

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>


Looking at practical spacewound secondaries that are big... looking for 
Fres around 100 kHz

What about winding an 18" form 60" long (3.33:1 aspect) with AWG12 THHN 
wire... about 2300 ft, 28 mH  Looks like you can get 8.3 turns/inch (if you 
go to 8tpi, you get 25.8 mH, and fres goes up to 110 kHz) (assuming 52 pF 
topload)

A 12.5 inch diameter form, 5 feet long (4.8:1) would be 159 kHz (12.9 mH) 
at 8tpi

Has anyone ever wound with standard house wire?