I Class Rocket Motor

Loki I405-LW

Loki Research
Loki White
Ø 38mm
Total Impulse
493.2Ns
Burn Time
1.20s
Avg Thrust
405.0N
Max Thrust
787.8N

Thrust Profile (N)

1.20s Burn Window

Engineered by Loki Research, the I405-LW is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 493.2 Ns over a 1.20 second burn window.

With an average thrust of 405.0 N and a peak of 787.8 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Loki White propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 305 mm
Hardware 38/480
Delays (s) 5,8,10,13,17
Specific Impulse 199.5 s
Peak Thrust 800.7 N
Peak Time T+ 0.05s
T/W Ratio 76.03
Propellant Loki White
Profile regressive
Type reload
Sparky No

Mass Budget

543g Total
Casing (Dry)
291.0g
53.6%
Propellant
252.0g
46.4%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

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