Original poster: Brett Miller <brmtesla2-at-yahoo-dot-com> Yeah. It is all in the archives at www.pupman-dot-com. Tesla list <tesla-at-pupman-dot-com> wrote: Original poster: "Luke" What exactly is meant by BANG SIZE? I see it referred to as being separate from arc length. Someone care to fill me in? Luke Galyan Bluu-at-cox-dot-net