Total Impulse
2096.0Ns
Burn Time
3.60s
Avg Thrust
586.0N
Max Thrust
2128.5N
Thrust Profile (N)
3.60s Burn WindowEngineered by Contrail Rockets, the K543-BS is a 76mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 2096.0 Ns over a 3.60 second burn window.
With an average thrust of 586.0 N and a peak of 2128.5 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 76 mm
Length 813 mm
Hardware Single Use
Delays (s) P
Specific Impulse 427.3 s
Peak Thrust 900 N
Peak Time —
T/W Ratio 16.57
Propellant Standard
Profile neutral
Type hybrid
Sparky No
Mass Budget
3606g TotalCasing (Dry)
3106.0g
86.1%
Propellant
500.0g
13.9%
Live Sizing
Flight Envelope
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Comparable K-Class Alternatives
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