K Class Rocket Motor

AeroTech K750ST

AeroTech
Super Thunder
Ø 75mm
Total Impulse
1298.7Ns
Burn Time
1.74s
Avg Thrust
746.6N
Max Thrust
835.7N

Thrust Profile (N)

1.74s Burn Window

Engineered by AeroTech, the K750ST is a 75mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1298.7 Ns over a 1.74 second burn window.

With an average thrust of 746.6 N and a peak of 835.7 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Super Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 75 mm
Length 267 mm
Hardware RMS-75/1280
Delays (s) P
Specific Impulse 222.5 s
Peak Thrust 814.6 N
Peak Time T+ 0.778s
T/W Ratio 39.08
Propellant Super Thunder
Profile dual-peak
Type reload
Sparky No

Mass Budget

1947.5g Total
Casing (Dry)
1352.5g
69.4%
Propellant
595.0g
30.6%
Live Sizing
Flight Envelope

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