Engine Model: FastTrack. Propellants: Lox/Kerosene. Thrust(vac): 44.100 kN (9,914 lbf). Isp: 348 sec. Burn time: 325 sec. Diameter: 2.00 m (6.50 ft). Chambers: 1. Country: USA. Status: Design concept. NASA Marshall Space Flight Center prototype experimental engine that led to Fastrac low-cost engine for X-34.
FastTrack used on Rocket Stages