Monroe L. King Jr. wrote: >> So I guess I need to calculate the burn rate and see what COTS has to offer >> in >> that ball park. Who has the fastest COTS propellant? Has anyone got any hard >> data on that? I'm sure someone out there in Arocket land already know who's >> got >> the hottest propellant. Cesaroni O-25000??? It's a 5 inch motor but might work. Cesaroni N-5800 Is a 4 inch motor but only 20kNS thrust For home brew, Kosdon had some quick burning motors. You might find the formulas online these days. -->MCS