PR-V4 PDM4 - 20/11/2008






Results underwhelming compared to expectations.

Acquisition frequency [Hz]: 240
Propellant: P-1
Propellant Mass [g]: 260.3
Mean density [g/cm^3]: 1.835
Ideal density ratio: 97.2 %
Grain number: 3
Total grain length [mm]: 201
Port grain diameter [mm]: 8
Throat diameter [mm]: 8.5
Inhibition: External, final terminated (intergrain faces not inhibited).
Action time (ta) [s]: 1.433
Burn time (tb)[s]: 0.992
Maximum thrust [N]: 350.4
Mean thrust (tb)[N]: 213.3
Mean pressure (tb)[bar]: 20.46
Total impulse [Ns]: 288.8
Specific impulse [s]: 113.1

Environmental data:
Atmospheric pressure [mbar]: 1020
Air temperature [°C]: 4