I Class Rocket Motor

Ellis I134

Ellis Mountain
Unknown
Ø 38mm
Total Impulse
444.9Ns
Burn Time
5.15s
Avg Thrust
134.0N
Max Thrust
268.8N

Thrust Profile (N)

5.15s Burn Window

Engineered by Ellis Mountain, the I134 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 444.9 Ns over a 5.15 second burn window.

With an average thrust of 134.0 N and a peak of 268.8 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 355 mm
Hardware SU 38x355
Delays (s) P
Specific Impulse 150.9 s
Peak Thrust 268.8 N
Peak Time T+ 0.1s
T/W Ratio 23.51
Propellant Standard
Profile regressive
Type SU
Sparky No

Mass Budget

581g Total
Casing (Dry)
280.5g
48.3%
Propellant
300.5g
51.7%
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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