G Class Rocket Motor

Contrail G300-PVC

Contrail Rockets
Unknown
Ø 38mm
Total Impulse
100.0Ns
Burn Time
0.25s
Avg Thrust
288.0N
Max Thrust
689.0N

Thrust Profile (N)

0.25s Burn Window

Engineered by Contrail Rockets, the G300-PVC is a 38mm solid rocket motor designed for model rocketry. As an official G-class motor, it delivers a total impulse of 100.0 Ns over a 0.25 second burn window.

With an average thrust of 288.0 N and a peak of 689.0 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 406 mm
Hardware 38 16 F PVC (90CC)
Delays (s) P
Specific Impulse 47.4 s
Peak Thrust 814.37 N
Peak Time T+ 0.05s
T/W Ratio 54.87
Propellant Standard
Profile neutral
Type hybrid
Sparky No

Mass Budget

535g Total
Casing (Dry)
320.0g
59.8%
Propellant
215.0g
40.2%
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
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...