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USLI Flight Readiness Review Harding University Flying Bison 2010 USLI Rocket Team Slide 2 Harding Flying Bison Team Team made up of 16 members with diverse educational backgrounds: GregLibbyElizabeth HunterMatt G.April JoshLisaDarah ChiPatrickMatt I. MeredithCortneyShailer Ed Slide 3 Organization Seven Divisions Airframe Greg, Mgr. Motor Matt G., Mgr. Science Payload Darah, Mgr. Avionics Chi, Mgr. Launch OperationsMatt I., Mgr RecoveryPatrick, Mgr. Outreach Elizabeth, Mgr. Team Official & Safety Officer Ed Project ProgressCortney Slide 4 Mission Statement Design, build, test and fly a hybrid rocket Achieve an altitude of exactly 1.00 mile Measure gamma radiation as a function of altitude Measure temperature and pressure Measure x-, y-, z- acceleration during flight Done safely with no injuries, no damage to property Rocket recovered without damage Slide 5 Airframe Length93.55 inches 7.5 feet Diameter4.09 inches Span Diameter14.09 inches Estimated Mass241.39 ounces15.03 pounds Slide 6 Airframe Center of Pressure72.22 in Center of Gravity55.0 1in Margin of Stability4.30 body calibers over stable Slide 7 Scale Model Test & Competition Rocket Test We were not able to do a scale model test as planned because some key supplies were missing. We found out in the process that our ignition system has become defective. We are purchasing a new unit. We plan our full scale test on 21 March 2010. Slide 8 Thrust to weight motor selection in flight simulation Average Thrust = 896 N Mass 241.39 g + 4173 g = 4.414 kg Weight = 43.31 kg Thrust to weight ratio = 20.7 Slide 9 Rail Exit Velocity Launch guide length: 94.0000 In. Velocity at launch guide departure: 77.2523 ft/s The launch guide was cleared at : 0.203 Seconds User specified minimum velocity for stable flight: 43.9993 ft/s Minimum velocity for stable flight reached at: 31.0498 In. Slide 10 Parachute sizes and descent rates Drogue is a 24 Classic II Sky Angle Parachute P: Drogue Parachute Deployed at : 18.384 Seconds Velocity at deployment: 7.3339 ft/s Altitude at deployment: 5678.14961 Ft. Main is a SkyAngle CERT-3 Large. P: Main Parachute Deployed at : 119.385 Seconds Velocity at deployment: 47.5640 ft/s Altitude at deployment: 799.99344 Ft. Slide 11