J Class Rocket Motor

Cesaroni 1266J760-19A

Cesaroni Technology
White Thunder
Ø 54mm
Total Impulse
1265.7Ns
Burn Time
1.67s
Avg Thrust
757.7N
Max Thrust
937.3N

Thrust Profile (N)

1.67s Burn Window

Engineered by Cesaroni Technology, the 1266J760-19A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1265.7 Ns over a 1.67 second burn window.

With an average thrust of 757.7 N and a peak of 937.3 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the White Thunder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Canadian Association of Rocketry
Diameter 54 mm
Length 329 mm
Hardware Pro54-3G
Delays (s) 9,10,11,12,13,14,15,16,17,18,19
Specific Impulse 224 s
Peak Thrust 938.6 N
Peak Time T+ 0.026s
T/W Ratio 71.73
Propellant White Thunder
Profile regressive
Type reload
Sparky No

Mass Budget

1076.8g Total
Casing (Dry)
500.8g
46.5%
Propellant
576.0g
53.5%
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 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