K Class Rocket Motor

Contrail K888-BM

Contrail Rockets
Unknown
Ø 76mm
Total Impulse
2400.0Ns
Burn Time
2.67s
Avg Thrust
896.0N
Max Thrust
3024.8N

Thrust Profile (N)

2.67s Burn Window

Engineered by Contrail Rockets, the K888-BM is a 76mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 2400.0 Ns over a 2.67 second burn window.

With an average thrust of 896.0 N and a peak of 3024.8 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 76 mm
Length 1016 mm
Hardware Single Use
Delays (s) P
Specific Impulse 391.4 s
Peak Thrust 1365 N
Peak Time
T/W Ratio 21.89
Propellant Standard
Profile regressive
Type hybrid
Sparky No

Mass Budget

4173g Total
Casing (Dry)
3548.0g
85.0%
Propellant
625.0g
15.0%
Live Sizing
Flight Envelope

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