I Class Rocket Motor

WCH 499I110-P

West Coast Hybrids
Unknown
Ø 38mm
Total Impulse
499.7Ns
Burn Time
4.64s
Avg Thrust
108.5N
Max Thrust
162.6N

Thrust Profile (N)

4.64s Burn Window

Engineered by West Coast Hybrids, the 499I110-P is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 499.7 Ns over a 4.64 second burn window.

With an average thrust of 108.5 N and a peak of 162.6 N, it features a regressive thrust curve optimal for sustainer stages and high-altitude attempts.

Technical Specifications

Canadian Association of Rocketry
Diameter 38 mm
Length 606 mm
Hardware Single Use
Delays (s) P
Specific Impulse 155.8 s
Peak Thrust 240 N
Peak Time T+ 0.05s
T/W Ratio 13.43
Propellant Standard
Profile regressive
Type hybrid
Sparky No

Mass Budget

824g Total
Casing (Dry)
497.0g
60.3%
Propellant
327.0g
39.7%
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