J Class Rocket Motor

Loki J175-LW

Loki Research
Loki White
Ø 54mm
Total Impulse
1146.3Ns
Burn Time
5.30s
Avg Thrust
215.0N
Max Thrust
478.0N

Thrust Profile (N)

5.30s Burn Window

Engineered by Loki Research, the J175-LW is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1146.3 Ns over a 5.30 second burn window.

With an average thrust of 215.0 N and a peak of 478.0 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the Loki White propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 330 mm
Hardware 54/1200
Delays (s) P
Specific Impulse 178.7 s
Peak Thrust 420.4 N
Peak Time T+ 0.1s
T/W Ratio 17.53
Propellant Loki White
Profile regressive
Type reload
Sparky No

Mass Budget

1250g Total
Casing (Dry)
596.0g
47.7%
Propellant
654.0g
52.3%
Live Sizing
Flight Envelope

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