J Class Rocket Motor

Loki J-326-LR

Loki Research
Loki Red
Ø 38mm
Total Impulse
732.9Ns
Burn Time
2.25s
Avg Thrust
326.2N
Max Thrust
925.8N

Thrust Profile (N)

2.25s Burn Window

Engineered by Loki Research, the J-326-LR is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 732.9 Ns over a 2.25 second burn window.

With an average thrust of 326.2 N and a peak of 925.8 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the Loki Red propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 417 mm
Hardware 38/740
Delays (s) 8,11,15
Specific Impulse 207.5 s
Peak Thrust 975.83 N
Peak Time T+ 0.061s
T/W Ratio 43.41
Propellant Loki Red
Profile regressive
Type reload
Sparky No

Mass Budget

766g Total
Casing (Dry)
406.0g
53.0%
Propellant
360.0g
47.0%
Live Sizing
Flight Envelope

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