H Class Rocket Motor

Contrail H141-PVC

Contrail Rockets
Unknown
Ø 38mm
Total Impulse
247.0Ns
Burn Time
1.70s
Avg Thrust
141.0N
Max Thrust
297.0N

Thrust Profile (N)

1.70s Burn Window

Engineered by Contrail Rockets, the H141-PVC is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 247.0 Ns over a 1.70 second burn window.

With an average thrust of 141.0 N and a peak of 297.0 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 508 mm
Hardware 38 20 S PVC (185CC)
Delays (s) P
Specific Impulse 201.4 s
Peak Thrust 265.51 N
Peak Time T+ 0.002s
T/W Ratio 23.49
Propellant Standard
Profile regressive
Type hybrid
Sparky No

Mass Budget

612g Total
Casing (Dry)
487.0g
79.6%
Propellant
125.0g
20.4%
Live Sizing
Flight Envelope

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