Sorbitol Rocket Propellant by weight:
KNO3  60%  grind fine
NH4NO3  4% grind fine
Sorbitol  35%
Glycerine  1%
 
250 total grams is sufficient to fill one 33mm ID by 200mm long motor tube.
 
Composite Rocket Propellant by weight:
Hydroxyl-terminated Polybutadiene Resin (HTPB)  15.0%
Modified MDI Isocyanate Curative  2.1%
Isodecyl Pelargonate Plasticizer  4.2%
Aluminum powder (5um)  8.6%
Ammonium Perchlorate (200um)  70.1%
 
200 total grams is sufficient to fill one 33mm ID by 200mm long motor tube.
 
Rapid Burn Composite Rocket Propellant:
Add 0.7% by weight Fe2O3 (red iron oxide), 1-5um particle size to the total weight of the above standard mix.