Total Impulse
573.0Ns
Burn Time
1.85s
Avg Thrust
308.0N
Max Thrust
777.0N
Thrust Profile (N)
1.85s Burn WindowEngineered by Contrail Rockets, the I307-HP is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 573.0 Ns over a 1.85 second burn window.
With an average thrust of 308.0 N and a peak of 777.0 N, it features a dual-peak thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 38 mm
Length 922 mm
Hardware 38 36 F HP (460CC)
Delays (s) P
Specific Impulse 531 s
Peak Thrust 717.23 N
Peak Time T+ 0.199s
T/W Ratio 38.76
Propellant Standard
Profile dual-peak
Type hybrid
Sparky No
Mass Budget
810g TotalCasing (Dry)
700.0g
86.4%
Propellant
110.0g
13.6%
Live Sizing
Flight Envelope
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