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

2. Engine Performance Characteristics
Isp,vac
(s)
Isp,SL
Chamber
Pressure
(Mpa)
O/F
Ratio C*
(m/s)
Exit
Mach #
Ae/At
Stage 1
352.3
337.6
2.1
6.0
1752.0
4.4 60
Stages 2,3
309.3
292.1
1.0
1480.0
4.1
AAE 450 Spring 2008
Propulsion

3. Propellant and Pressurant Cost
Vehicle
Stage
Propellant
Mass (kg)
Cost ($)
Pressurant
200 g 1
1462.0
$1,834
59.0
$29.50 2
566.6
$2,833 - 3
37.3
$187
Total
2065.9
$4,853
1 kg
947.9
$1,189
38.2
$19.10
336.9
$1,685
45.1
$226
1330.0
$3,099
5 kg
4122.2
$5,170
166.3
$83.15
1009.2
$5,046
38.4
$192
5169.8
$10,408
Propellant
Stage 1 - Hydrogen Peroxide and HTPB
Stage 2,3 - AP/HTPB/Al
Pressurant
Nitrogen
12 MPa
1st Stage Only
AAE 450 Spring 2008
Propulsion

4. 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
Klaurans, B. “The Vanguard Satellite Launching Vehicle,” The Martin Company. No , April 1964.
Knauber, R.N., “Thrust Misalignments of Fixed-Nozzle Solid Rocket Motors,” Journal of Spacecraft and Rockets, Vol. 33, No. 6, 1996, pp
Sutton, George P., Biblarz, Oscar “Solid Propellants,” Rocket Propulsion Elements, 7th ed., Wiley, New York, 2001.
Ventura, M., “The Lowest Cost Rocket Propulsion System,” General Kinetics Inc, Huntington Beach, CA, Jul
Tsohas, John.
AAE 450 Spring 2008
Propulsion