F Class Rocket Motor

Roadrunner F45

Roadrunner Rocketry
Rapid propellant
Ø 29mm
Total Impulse
61.0Ns
Burn Time
1.40s
Avg Thrust
45.0N
Max Thrust
62.0N

Thrust Profile (N)

1.40s Burn Window

Engineered by Roadrunner Rocketry, the F45 is a 29mm solid rocket motor designed for model rocketry. As an official F-class motor, it delivers a total impulse of 61.0 Ns over a 1.40 second burn window.

With an average thrust of 45.0 N and a peak of 62.0 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Rapid propellant propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 29 mm
Length 93 mm
Hardware SU 29x93
Delays (s) 5,8,P
Specific Impulse 207.3 s
Peak Thrust 62.42 N
Peak Time T+ 0.416s
T/W Ratio 49.32
Propellant Rapid propellant
Profile dual-peak
Type SU
Sparky No

Mass Budget

93g Total
Casing (Dry)
63.0g
67.7%
Propellant
30.0g
32.3%
Live Sizing
Flight Envelope

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