K Class Rocket Motor

AeroTech K780R

AeroTech
Redline
Ø 75mm
Total Impulse
2371.0Ns
Burn Time
2.98s
Avg Thrust
780.0N
Max Thrust
965.0N

Thrust Profile (N)

2.98s Burn Window

Engineered by AeroTech, the K780R is a 75mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 2371.0 Ns over a 2.98 second burn window.

With an average thrust of 780.0 N and a peak of 965.0 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Redline propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 75 mm
Length 395 mm
Hardware RMS-75/2560
Delays (s) P
Specific Impulse 190.6 s
Peak Thrust 953.58 N
Peak Time T+ 1.133s
T/W Ratio 27.1
Propellant Redline
Profile dual-peak
Type reload
Sparky No

Mass Budget

2934.4g Total
Casing (Dry)
1666.4g
56.8%
Propellant
1268.0g
43.2%
Live Sizing
Flight Envelope

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