APPENDIX II

 

 

 

NOTE:        The values given in this chart are values obtained from actual tests but values you obtain may vary somewhat due to small dimensional differences and/or propellant densities.

**Prices based on the following: sodium silicate $5.85/gal; charcoal $5.00/5 lb; sulfur $4.50/5 lb; potassium nitrate $8.30/5 lb; bentonite clay $4.65/5 lb; calcium carbonate $4.00/5 lb; 1125 ft roll of 50# Kraft paper $26 (0.77/ft2)

 

 

Examples of thrust-time curves from actual tested engines.

 

revised Dec. 1979

 

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