I Class Rocket Motor

Gorilla I235WC

Gorilla Rocket Motors
White Cloud
Ø 38mm
Total Impulse
324.0Ns
Burn Time
1.40s
Avg Thrust
235.0N
Max Thrust
291.3N

Thrust Profile (N)

1.40s Burn Window
Thrust Curve Missing
No .ENG file data recorded for this motor.

Engineered by Gorilla Rocket Motors, the I235WC is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 324.0 Ns over a 1.40 second burn window.

With an average thrust of 235.0 N and a peak of 291.3 N, it features a thrust curve optimal for general sport flying. It utilizes the White Cloud propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 249 mm
Hardware 38/390
Delays (s) P
Specific Impulse 190.9 s
Peak Thrust —
Peak Time —
T/W Ratio 51.41
Propellant White Cloud
Profile Unknown
Type reload
Sparky No

Mass Budget

466g Total
Casing (Dry)
293.0g
62.9%
Propellant
173.0g
37.1%
Live Sizing
Flight Envelope

Design wings in your spreadsheet

AeroSheet loads airfoils directly into Google Sheets. Polars, 3D splines, Fusion 360 export, without leaving your spreadsheet.

Google Sheets Install in Google Sheets coming soon
Comparable I-Class Alternatives

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

Gorilla

I
neutral
Total: 328 Ns
Ø 38mm

I161W

AeroTech

I
dual-peak
Total: 329 Ns
Ø 38mm

I218R

AeroTech

I
regressive
Total: 330 Ns
Ø 38mm
Veenie Kit

Need a custom engineering simulator?

The 3D engine on this page is built by Veenie Aerospace. We build bespoke, browser-native digital twins, aerodynamic simulators, and AI physics tools for UAV startups and defense contractors.

ivan@veenie.space
Loading calendar...
ivan@veenie.space