I Class Rocket Motor

Loki I426LB

Loki Research
Loki Blue
Ø 38mm
Total Impulse
505.0Ns
Burn Time
1.19s
Avg Thrust
425.7N
Max Thrust
718.3N

Thrust Profile (N)

1.19s Burn Window

Engineered by Loki Research, the I426LB is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 505.0 Ns over a 1.19 second burn window.

With an average thrust of 425.7 N and a peak of 718.3 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Loki Blue propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 306.8 mm
Hardware 38/480
Delays (s) P
Specific Impulse 220 s
Peak Thrust 713.92 N
Peak Time T+ 0.058s
T/W Ratio 78.45
Propellant Loki Blue
Profile neutral
Type reload
Sparky No

Mass Budget

553.1g Total
Casing (Dry)
319.1g
57.7%
Propellant
234.0g
42.3%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

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I161W

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