Malcolm, could you please publish the specs for your coil achieving 4 1/2 ft with 3J / 300W? Sounds like just what I want. Also please impart any key features etc. that helps to achieve this result. A fan .... Sulaiman > Original Poster: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz> > > Not a lot, but one of my coils is scoring a peak of 4-1/2 feet with > barely 3J at 100BPS and that's with dry-fired poly to boot. > > Malcolm > >