H Class Rocket Motor

Cesaroni 298H159-15A

Cesaroni Technology
Green3
Ø 29mm
Total Impulse
298.2Ns
Burn Time
1.88s
Avg Thrust
158.9N
Max Thrust
199.7N

Thrust Profile (N)

1.88s Burn Window

Engineered by Cesaroni Technology, the 298H159-15A is a 29mm solid rocket motor designed for high-power rocketry (HPR). As an official H-class motor, it delivers a total impulse of 298.2 Ns over a 1.88 second burn window.

With an average thrust of 158.9 N and a peak of 199.7 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Green3 propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 29 mm
Length 320 mm
Hardware Pro29-6G
Delays (s) 6,8,10,12,15
Specific Impulse 172.1 s
Peak Thrust 185.37 N
Peak Time T+ 0.299s
T/W Ratio 47.25
Propellant Green3
Profile dual-peak
Type reload
Sparky No

Mass Budget

342.8g Total
Casing (Dry)
166.2g
48.5%
Propellant
176.6g
51.5%
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 H-Class Alternatives

H155F

Kosdon

H
dual-peak
Total: 161 Ns
Ø 29mm

H300-HP

Contrail

H
neutral
Total: 161 Ns
Ø 38mm

H222-HP

Contrail

H
regressive
Total: 161 Ns
Ø 38mm

H55W

AeroTech

H
regressive
Total: 162 Ns
Ø 29mm

163H133-14A

Cesaroni

H
dual-peak
Total: 163 Ns
Ø 29mm

164H90-12A

Cesaroni

H
dual-peak
Total: 164 Ns
Ø 29mm
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