Russian & German Rocket Motors

I recently ordered these motors from the Vlaamse Raket Organisatie. Russian MRD20-10 (D Motor) German D7-3   Total impulse: 20 Ns Average thrust: 10 Ns Thrust duration: 2 s Dimensions (Ø x l): 20,2 x 85 mm   Total impulse: 20 Ns Average thrust: 12 Ns Thrust duration: 1.7 s Dimensions (Ø x l): 23 x 70 mm Click to embiggen