J Class Rocket Motor

Loki J350-SF

Loki Research
Spitfire
Ø 54mm
Total Impulse
931.0Ns
Burn Time
2.67s
Avg Thrust
350.0N
Max Thrust
448.0N

Thrust Profile (N)

2.67s Burn Window

Engineered by Loki Research, the J350-SF is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 931.0 Ns over a 2.67 second burn window.

With an average thrust of 350.0 N and a peak of 448.0 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Spitfire propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 327 mm
Hardware 54/1200
Delays (s) P
Specific Impulse 160.9 s
Peak Thrust 445.52 N
Peak Time T+ 1.003s
T/W Ratio 28.32
Propellant Spitfire
Profile neutral
Type reload
Sparky Yes

Mass Budget

1260g Total
Casing (Dry)
670.0g
53.2%
Propellant
590.0g
46.8%
Live Sizing
Flight Envelope

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