Level 2 Certification Flight. LDRS Labor Day Weekend, 2009. Argonia, KS. Rocket: Endeavor. H 71". W 6 lbs 9 oz with motor. D 3.9". Recovery System Parachute. Motor Aerotech J350 Single Stage. Time Delay on Ejection Charge 10 seconds. Estimated Altitude at Apogee 8800 ft. Average Thrust: 394.2N Maximum Thrust: 890.4N Total impulse: 697.4Ns Burn Time: 1.8s