I Class Rocket Motor

Loki I377-CT

Loki Research
Cocktail
Ø 38mm
Total Impulse
522.0Ns
Burn Time
1.38s
Avg Thrust
377.0N
Max Thrust
659.0N

Thrust Profile (N)

1.38s Burn Window

Engineered by Loki Research, the I377-CT is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 522.0 Ns over a 1.38 second burn window.

With an average thrust of 377.0 N and a peak of 659.0 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Cocktail propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 292.1 mm
Hardware 38/480
Delays (s) 8,10,12,14,18
Specific Impulse 212.8 s
Peak Thrust 656.97 N
Peak Time T+ 0.052s
T/W Ratio 68.63
Propellant Cocktail
Profile neutral
Type reload
Sparky No

Mass Budget

560g Total
Casing (Dry)
310.0g
55.4%
Propellant
250.0g
44.6%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

I235WC

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I200W

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I180W

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I385F

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I223GT

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I161W

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