J Class Rocket Motor

RATT J160

R.A.T.T. Works
Unknown
Ø 38mm
Total Impulse
667.7Ns
Burn Time
5.10s
Avg Thrust
160.0N
Max Thrust
410.7N

Thrust Profile (N)

5.10s Burn Window

Engineered by R.A.T.T. Works, the J160 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 667.7 Ns over a 5.10 second burn window.

With an average thrust of 160.0 N and a peak of 410.7 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 1219 mm
Hardware h 490 cc
Delays (s) P
Specific Impulse 15828.7 s
Peak Thrust 262.05 N
Peak Time T+ 0.015s
T/W Ratio 29.98
Propellant Standard
Profile regressive
Type hybrid
Sparky No

Mass Budget

544g Total
Casing (Dry)
539.7g
99.2%
Propellant
4.3g
0.8%
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
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.

Loading calendar...