; ;H-303-PVC Hybrid Motor ;Uses Fast Nozzle ;38mm/20 Inch Hardware ;Uses 185cc Nitrous Oxide H303 38 508 0 0.023 0.589 Contrail_Rockets 0 663.812 0.0447427 780.15 0.108501 704.872 0.111857 342.171 0.176734 328.484 0.196868 307.954 0.6 0