Rocket Calcs.

Ex 2.1Initial Mass 200 kgMass after rocket operation 130 kgPayload/nonpropulsive structure 110 kgoperation duration 3 savg. Isp 240 smf 0.65propellant mf 0.77777778exhaust velocity 2354.4 sthrust = mdot*v 54936 Ninitial propellant mass 70 kgmass flow 23.3333333total impulse 164808 N-sfinal acceleration 422.584615 m/s^2

43.0769231 gEx 2.2Burn duration 40 sInitial propulsion system mass 1210 kgMass of motor after test 215 kgSea level thrust 62250 NChamber Pressure 7.00E+06 PaNozzle exit pressure 70000 PaNozzle throat diameter 0.0855 mNozzle exit diameter 0.2703 mpropellant mass 995 kgmdot 24.875 kg/sc 2502.51256 m/sc* 1614.86729 m/sv2 2574.73793 m/s

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