University of Utah Unity IV Responsibilities
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Transcript of University of Utah Unity IV Responsibilities
University of Utah Unity IV Responsibilities
• Motor System– Fuel– Nozzle– Ignition
• Flight Profile• Maximum Energy Footprint
Motor System
• Fuel– HTPB: Fuel grain composed of R-45M resin– Cross- linked with diisocyanate
• Motor Housing– 6061-T6 Aluminum– Static tested to 1200 psia
• Nozzle– Ceramic Composite– Rated to 5000 F
Ignition
• Model Rocket Motors– 2, Estes C8-0 motors
• Accessible on Launch Rail• Low power requirement
– 4 AA Batteries
• Reliable Performance
HTP
B
HTP
B
NO2 inletEstes C8-0 Motor
Injector
“O” Ring Seal
Motor Cap Assembly
Flight Profile• Maximum Altitude
– 10,641 feet AGL, at T = 28 seconds
• Burn Time– T = 5.4 seconds
• Flight Velocity– Launch Rail Exit = 89.1 ft/s– Overall Flight = 0.71 Mach
• FTS Failure Impact– 763 ft/s at T=58 seconds
Maximum Energy Footprint
• 5.40 Miles at =450
• No Critical Areas with in Range
Motor Assembly
Motor Cap
Motor Housing
Motor Nozzle
Motor Nozzle
Motor Nozzle Retainer
Motor Assembly
Fuel Mixing Procedure
• Safety Equipment• Liquid Chemicals• Incorporate By Hand• Dry Chemicals• Incorporate By Hand• Mix For 30 Minutes
Fuel Mixing Problems
• Need More Mixing Time• Recipe• Catalyst
3” Motor Fuel Mixing
8” Motor Fuel Mixing
Modified Fuel Mixing Tank
Portable Oven Design 1
Portable Oven Design 2
Portable Oven Design 3
Mandrel Configurations
Mandrel Configurations
Mandrel Configurations