1. AAE 450 Spring 2008 Nicole Wilcox March 20 th, 2008 Propulsion Engine Performance Characteristics Breakdown Propellant and Pressurant Final Slides Propulsion

2. AAE 450 Spring 2008 Engine Performance Characteristics I sp,vac (s) I sp,SL (s) Chamber Pressure (Mpa) O/F Ratio C* (m/s) Exit Mach #Ae/At Stage 1352.3337.62.16.01752.04.460 Stages 2,3309.3292.16.01.01480.04.160 Propulsion

3. AAE 450 Spring 2008 Propellant and Pressurant Cost  Propellant –Stage 1 - Hydrogen Peroxide and HTPB –Stage 2,3 - AP/HTPB/Al  Pressurant –Nitrogen –12 MPa –1 st Stage Only Propulsion VehicleStage Propellant Mass (kg) Propellant Cost ($) Pressurant Mass (kg) Pressurant Cost ($) 200 g 11462.0$14,65059.0$29.50 2566.6$2,833-- 337.3$187-- Total2065.9$17,67059.0$29.50 1 kg 1947.9$9,50038.2$19.10 2336.9$1,685-- 345.1$226-- Total1330.0$11,41038.2$19.10 5 kg 14122.2$41,320166.3$83.15 21009.2$5,046-- 338.4$192-- Total5169.8$46,560166.3$83.15

4. AAE 450 Spring 2008 References  Heister, Stephen D.  Humble, R. W., Henry, G. N., Larson, W. J., Space Propulsion Analysis and Design, McGraw-Hill, New York, NY, 1995.  Javorsek, D., and Longuski, J.M., “Velocity Pointing Errors Associated with Spinning Thrusting Spacecraft,” Journal of Spacecraft and Rockets, Vol. 37, No. 3, 2000, pp. 359-360.  Klaurans, B. “The Vanguard Satellite Launching Vehicle,” The Martin Company. No. 11022, April 1964.  Knauber, R.N., “Thrust Misalignments of Fixed-Nozzle Solid Rocket Motors,” Journal of Spacecraft and Rockets, Vol. 33, No. 6, 1996, pp. 794-799.  Sutton, George P., Biblarz, Oscar “Solid Propellants,” Rocket Propulsion Elements, 7 th ed., Wiley, New York, 2001.  Ventura, M., “The Lowest Cost Rocket Propulsion System,” General Kinetics Inc, Huntington Beach, CA, Jul. 2006.  Tsohas, John. Propulsion