I Class Rocket Motor

Cesaroni I205

Cesaroni Technology
Unknown
Ø 38mm
Total Impulse
380.9Ns
Burn Time
1.88s
Avg Thrust
205.0N
Max Thrust
236.0N

Thrust Profile (N)

1.88s Burn Window

Engineered by Cesaroni Technology, the I205 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 380.9 Ns over a 1.88 second burn window.

With an average thrust of 205.0 N and a peak of 236.0 N, it features a dual-peak thrust curve optimal for general sport flying.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 244 mm
Hardware Pro38-3G
Delays (s) P
Specific Impulse 188.4 s
Peak Thrust 235.8 N
Peak Time T+ 0.6s
T/W Ratio 51.96
Propellant Standard
Profile dual-peak
Type reload
Sparky No

Mass Budget

402.2g Total
Casing (Dry)
196.1g
48.8%
Propellant
206.1g
51.2%
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