K Class Rocket Motor

Contrail K265-SP

Contrail Rockets
Unknown
Ø 54mm
Total Impulse
1684.0Ns
Burn Time
6.22s
Avg Thrust
268.9N
Max Thrust
777.1N

Thrust Profile (N)

6.22s Burn Window

Engineered by Contrail Rockets, the K265-SP is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1684.0 Ns over a 6.22 second burn window.

With an average thrust of 268.9 N and a peak of 777.1 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 1219 mm
Hardware Single Use
Delays (s) P
Specific Impulse
Peak Thrust 470.39 N
Peak Time
T/W Ratio 15.11
Propellant Standard
Profile regressive
Type hybrid
Sparky Yes
Mass Budget Unavailable
Live Sizing
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