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GRUNT

— Hot-firing 2022 —

Illinois' 1  Student Built  

st

Thrust Chamber

GRUNT is LRI's earliest attempt at liquid engine design. A simple thrust chamber assembly concept that will be used to verify our injector concept and demonstrate our ability to build liquid rocket engines.

Headplate

Chamber

Plate

Plate

0.4 ms

Burn Duration

1100 lbf

Thrust

10 kpa

Jet A-Lox

Propellant

Pintle

Injector

Pressure Fed

Chamber Pressure

Engine Cycle

Sponsors page





1. Initial timeline/ Chronology: drawing was first idea, became cad model with green background and plate in the middle of it, became cleaner cad model, became sketch cad model

Frame grunt as a story, founded project and made a CAD model, iterated on CAD model

Worked w/Purdue, gave us feedback, converged to final design, worked w/machinists, got it made


Initial/Inception/Iterations, CAD, Manufacturing, Soon: Testing (put pics of water flow tests ran)



structure: click arrows/slider,

add thing to explain how injector works (own section)

Purdue, Zucrow labs (own section)

People who helped us build (Danville metal stamping, machine shops) (own section)

GRUNT is LRI's earliest engine, with a 

GRUNT would not be possible without the help of our local machine shops and organizations. If you'd like to extend your support, see our Sponsors page for more information.

This is literally rocket science. 

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.

headplate

picture here

read more in blog

Help LRI Blast Off!

This is literally rocket science. 

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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