I Class Rocket Motor

Ellis I160

Ellis Mountain
Unknown
Ø 38mm
Total Impulse
462.7Ns
Burn Time
3.50s
Avg Thrust
160.0N
Max Thrust
265.3N

Thrust Profile (N)

3.50s Burn Window

Engineered by Ellis Mountain, the I160 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 462.7 Ns over a 3.50 second burn window.

With an average thrust of 160.0 N and a peak of 265.3 N, it features a dual-peak thrust curve optimal for general sport flying.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 280 mm
Hardware 38X336.6 38X365(D)
Delays (s) P
Specific Impulse 203.4 s
Peak Thrust 212.77 N
Peak Time T+ 1.736s
T/W Ratio 31.61
Propellant Standard
Profile dual-peak
Type reload
Sparky No

Mass Budget

516g Total
Casing (Dry)
284.1g
55.1%
Propellant
231.9g
44.9%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

I235WC

Gorilla

I
No Curve Data
Total: 324 Ns
Ø 38mm

I200W

AeroTech

I
regressive
Total: 325 Ns
Ø 29mm

I180W

AeroTech

I
dual-peak
Total: 326 Ns
Ø 38mm

I385F

Kosdon

I
No Curve Data
Total: 326 Ns
Ø 29mm

I223GT

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I
neutral
Total: 328 Ns
Ø 38mm

I161W

AeroTech

I
dual-peak
Total: 329 Ns
Ø 38mm
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