# Test 2017-05 # 3 grain 54mm sorbitol motor With a 10.250" liner, 8.9mm nozzle throat, buna-n o-rings, simulation says this is a 25% J-432, 763 Ns, with about a 1.6 sec burn:
54mm 3-grain Sorbitol
Rating:25% J-432Max Pressure:7.04 MPa (1021 psi)
Total Impulse:763 NsSpecific Impulse:135 s
Max Thrust:557 NVolume Loading:71%
Average Thrust:432 NFuel Mass:578 g
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* Grain 2017-01-08, 182.6g gross, ?g net * Grain 2017-01-09, 184.0g gross, ?g net * Grain 2017-01-10, 180.5g gross, ?g net Total of ?g propellant, vs 578g simulated. ## Results ## Flight data logged as ? sn ?, flight ?.