June 4, 2011 - Plaster City, me bucko, CA UCSD MAE 155B - Aerospace Design II Madcow Super DX3 rocket AKA "LAWNDART" LAWNDART = Longitudinal Acceleration With Nosecone Deployment And Rapid Take-off Aerotech K1275R propellant 5' 10" rocket body Weight: 12 pounds Rocket burn time: 1.8 seconds Top Speed: Mach 1.07 (818 miles per hour - aka really fast) Altitude: 9000 feet (really high)