tomsrocketgear.com
Tom's Rocket GearDelta;v = change of velocity of the vehicle. V sub e = effective velocity of exhaust gases. M = initial total mass of the vehicle. M = final total mass of the vehicle. Mdash; Konstantin E. Tsiolkovsky. Mans mind and spirit grow with the space in which they are allowed to operate. Mdash; Krafft A. Ehricke,. Welcome to Toms Rocket Gear Website! At Toms Rocket Gear. We sell Crayon rocket kits (Toms own design), Rocketman Parachutes. Afiliated with Off We Go Rocketry.
http://www.tomsrocketgear.com/