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Mission Design Requirements. First priority is to deliver takeoff mass to aircraft team. Desirable Booster Characteristics. Preliminary Booster Calculations. Created Excel Spreadsheet Database of rocket motors from trade studies Losses neglected: Gravity Drag Calculates:
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Mission Design Requirements First priority is to deliver takeoff mass to aircraft team.
Preliminary Booster Calculations Created Excel Spreadsheet Database of rocket motors from trade studies Losses neglected: Gravity Drag Calculates: DV produced by each stage upper stage structural mass booster takeoff mass Max G-Force during launch Input Variables: Stage Specifications Payload Mass
Booster Design • 3 stage Booster • 1st stage: ATK Orion 50XL (Solid) • 2nd stage: ATK Star 31 (Solid) • 3rd stage: SpaceX Kestrel 2 (LOX-RP1 liquid)
Booster Design 3rd Stage SpaceX Kestrel 2 Fairing 2nd Stage ATK Star31 1st Stage ATK Orion50XL Interstages
Comparison to Pegasus • Payload for AirLaunch mission is 120kg fuel and 30kg satellite • Monopropellant hydrazine thruster for upper stage trajectory error correction
Comparison to Pegasus Pegasus AirLaunch