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GRUNT

Illinois' 1st  Student Built Thrust Chamber

GRUNT is LRI's earliest attempt at liquid engine design. A simple thrust chamber assembly concept şs used to verify our injector concept and demonstrate our ability to build liquid rocket engines. The engine has successfully passed a cold flow test.

Design Specifications

0.4 s

Burn Duration

1100 lbf

Thrust

10 kpa

Chamber Pressure

Headplate

Chamber

Plate

Plate

Jet A-Lox

Propellant

Pintle

Injector

Pressure Fed

Feed System

Project Status

Grunt's combustion chamber was recently completed by Danville Metal Stamping. We successfully ran a cold flow test on the engine in our home-built engine test stand. We will hot fire Grunt soon!

Help the LRI Blast Off!

Rocket engineering ain't cheap

Every student engineer, corporate sponsor, and donor makes an impact on getting us to space. If you'd like to extend your support, see our Sponsors page for more information.

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