Total Impulse
432.0Ns
Burn Time
1.00s
Avg Thrust
398.0N
Max Thrust
1006.0N
Thrust Profile (N)
1.00s Burn WindowEngineered by Contrail Rockets, the I400-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 432.0 Ns over a 1.00 second burn window.
With an average thrust of 398.0 N and a peak of 1006.0 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 XF HP (460CC)
Delays (s) P
Specific Impulse 265.3 s
Peak Thrust 898.2 N
Peak Time T+ 0.078s
T/W Ratio 43.86
Propellant Standard
Profile dual-peak
Type hybrid
Sparky No
Mass Budget
925g TotalCasing (Dry)
759.0g
82.1%
Propellant
166.0g
17.9%
Live Sizing
Flight Envelope
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