Total Impulse
3828.7Ns
Burn Time
10.58s
Avg Thrust
361.7N
Max Thrust
651.9N
Thrust Profile (N)
10.58s Burn WindowEngineered by Contrail Rockets, the L369-SP is a 75mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 3828.7 Ns over a 10.58 second burn window.
With an average thrust of 361.7 N and a peak of 651.9 N, it features a regressive thrust curve optimal for sustainer stages and high-altitude attempts.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 75 mm
Length 813 mm
Hardware 75 52 S SP (3200CC)
Delays (s) P
Specific Impulse 497.2 s
Peak Thrust 540.63 N
Peak Time T+ 0.022s
T/W Ratio 7.68
Propellant Standard
Profile regressive
Type hybrid
Sparky No
Mass Budget
4800g TotalCasing (Dry)
4015.0g
83.6%
Propellant
785.0g
16.4%
Live Sizing
Flight Envelope
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