J Class Rocket Motor

Cesaroni 747J1055-17A

Cesaroni Technology
Vmax
Ø 54mm
Total Impulse
746.6Ns
Burn Time
0.70s
Avg Thrust
1056.9N
Max Thrust
1162.0N

Thrust Profile (N)

0.70s Burn Window

Engineered by Cesaroni Technology, the 747J1055-17A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 746.6 Ns over a 0.70 second burn window.

With an average thrust of 1056.9 N and a peak of 1162.0 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Vmax propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 54 mm
Length 236 mm
Hardware Pro54-2G
Delays (s) 7,8,9,10,11,12,13,14,15,16,17
Specific Impulse 212.6 s
Peak Thrust 1117.9 N
Peak Time T+ 0.3s
T/W Ratio 139.56
Propellant Vmax
Profile dual-peak
Type reload
Sparky No

Mass Budget

772g Total
Casing (Dry)
414.0g
53.6%
Propellant
358.0g
46.4%
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 J-Class Alternatives

J245-BG

Contrail

J
regressive
Total: 644 Ns
Ø 54mm

440CC076J-J115

Hypertek

J
regressive
Total: 674 Ns
Ø 54mm

J355-BG

Contrail

J
dual-peak
Total: 679 Ns
Ø 54mm

683J250-15A

Cesaroni

J
dual-peak
Total: 683 Ns
Ø 54mm

699J145-19A

Cesaroni

J
regressive
Total: 699 Ns
Ø 54mm

J250W

AeroTech

J
dual-peak
Total: 704 Ns
Ø 54mm
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