I Class Rocket Motor

Ellis I230

Ellis Mountain
Unknown
Ø 38mm
Total Impulse
540.0Ns
Burn Time
3.07s
Avg Thrust
230.0N
Max Thrust
359.2N

Thrust Profile (N)

3.07s Burn Window

Engineered by Ellis Mountain, the I230 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 540.0 Ns over a 3.07 second burn window.

With an average thrust of 230.0 N and a peak of 359.2 N, it features a regressive thrust curve optimal for general sport flying.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 331 mm
Hardware 38X387.4 38X416(D)
Delays (s) 20,P
Specific Impulse 188.5 s
Peak Thrust 317.66 N
Peak Time T+ 0.178s
T/W Ratio 38.44
Propellant Standard
Profile regressive
Type reload
Sparky No

Mass Budget

610g Total
Casing (Dry)
318.0g
52.1%
Propellant
292.0g
47.9%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

I235WC

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No Curve Data
Total: 324 Ns
Ø 38mm

I200W

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regressive
Total: 325 Ns
Ø 29mm

I180W

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dual-peak
Total: 326 Ns
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I385F

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No Curve Data
Total: 326 Ns
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I223GT

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neutral
Total: 328 Ns
Ø 38mm

I161W

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I
dual-peak
Total: 329 Ns
Ø 38mm
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