I Class Rocket Motor

AMW 543I297-15A

Animal Motor Works
Skidmark
Ø 38mm
Total Impulse
542.8Ns
Burn Time
1.81s
Avg Thrust
296.7N
Max Thrust
375.9N

Thrust Profile (N)

1.81s Burn Window

Engineered by Animal Motor Works, the 543I297-15A is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 542.8 Ns over a 1.81 second burn window.

With an average thrust of 296.7 N and a peak of 375.9 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Skidmark propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 360 mm
Hardware Pro38-5G
Delays (s) 6,8,10,12,15
Specific Impulse 168.2 s
Peak Thrust 375.12 N
Peak Time T+ 0.036s
T/W Ratio 51.18
Propellant Skidmark
Profile regressive
Type reload
Sparky Yes

Mass Budget

591g Total
Casing (Dry)
262.0g
44.3%
Propellant
329.0g
55.7%
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

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

Gorilla

I
neutral
Total: 328 Ns
Ø 38mm

I161W

AeroTech

I
dual-peak
Total: 329 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