Total Impulse
1385.8Ns
Burn Time
1.98s
Avg Thrust
698.0N
Max Thrust
1486.0N
Thrust Profile (N)
1.98s Burn WindowEngineered by Contrail Rockets, the K707-BG is a 75mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1385.8 Ns over a 1.98 second burn window.
With an average thrust of 698.0 N and a peak of 1486.0 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 75 mm
Length 813 mm
Hardware 75 32 M BG (1400CC)
Delays (s) P
Specific Impulse 888.5 s
Peak Thrust 1431.61 N
Peak Time T+ 0.496s
T/W Ratio 19.37
Propellant Standard
Profile dual-peak
Type hybrid
Sparky No
Mass Budget
3674g TotalCasing (Dry)
3515.0g
95.7%
Propellant
159.0g
4.3%
Live Sizing
Flight Envelope
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