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Overview

The goal of the Liquid Propulsion subteam is to continually learn more about bi-propellant liquid rocket engines, by designing, manufacturing, and testing our own engine. While the other subteams on Rocket Team support a central rocketry project, Liquid Propulsion instead focuses on design of an independent engine. designs, manufactures, and tests liquid bipropellant engines. Currently, the team is getting ready to hot fire their Helios engine, and is finishing the design of their Romulus engine.

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Polaris, their first launchable liquid engine.

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PROJECTS

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Engine Projects

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Polaris

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Rocket Team's first ever launchable engine.

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url Project Polaris

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Helios

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Learning Curriculum

The liquid prop team has developed an on-boarding curriculum to provide new and existing members with an introduction into various important concepts that are necessary to know on the team. These topics include basic engine design, incompressible flow fundamentals, combustion fundamentals, feed system design, as well as more advanced topics. Click the header above to explore the different learning resources.

Research

Through the design of engines, and recent research endeavors, the team has compiled various write-ups and findings relevant to our work. Past findings from previous projects can be found here, along with findings from the research initiative that the sub-team began in October 2020 (which then became Project Romulus!).

Team leads

Name	Term
Trey Watts	Fall 2017
Ethan Perrin	Spring 2017
Nick Bain	Fall 2017 - Spring 2018
Alex Miller	Fall 2018 - Spring 2019
Matt Morningstar	Fall 2019 - Spring 2020
Zander Hodge	Fall 2020 - Fall 2021
John Posada	Spring 2022
Nigel Barnett	Fall 2023

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Project Polaris

Rocket Team's first ever launchable engine!! Polaris's main mission objective is to reach a 30k ft maximum as a second stage. It is planned to use Ethanol and Nitrous Oxide.

Project Romulus

Having been forced off-campus for some time, the team began their Romulus engine project in the Summer of 2020, springing off the research initiative started the Fall prior. Romulus expands on lessons learned from the design of Helios, being a Kerosene-LOX regeneratively cooled engine designed to produce ~450lbf. Romulus' main goals are to:

Incorporate active and passive cooling methods, including regenerative cooling.
Design a pintle injector to balance thrust and temperature requirements.
Continue to expand the team's experience in system design and safe testing.

As of now, the Romulus engine is being manufactured, and other aspects of the feed system are being worked on. To learn more about Project Romulus, click the link above.

Project Helios

In the Fall of 2018, the team began the Helios engine project. Helios is a pressure-fed bi-propellant liquid engine designed to produce

~350lbf

350lbf, and is fed with diluted Ethanol & LOX by an accompanying test stand. Helios's

two

main goals are to

:Understand

understand basic engine design principles

by building a simple engine.Learn

and learn how to efficiently and safely test high-pressure engines

by building a pressurized feed stand

.

As of now, Helios has been successfully assembled, and

is nearly ready for its hot fire test. To read more about Project Helios, click the link above.

Project Pyralis

was successfully hot fired on May 16th, 2024.

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Romulus

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Romulus, a Kerosene-LOX regeneratively cooled engine designed to produce 450lbf, expands on lessons learned from the design of Helios. Romulus uses a pintle injector to balance thrust and temperature requirements. This project was discontinued because there was not enough time and members to finish it.

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url Project Romulus

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Pyralis

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A N2O-Ethanol Aerospike.

Project

This project was led by Matt Vernacchia, back when this was just

the

the Solid Propulsion Subteam.

Actually

This project actually reached hot fire

. Destroyed

and destroyed the Building 31 Blast Chamber at the end of the program.

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Viper

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A methane-oxygen engine,

program

Viper ran from Fall 2016 to Fall 2018.

We

The team spent a lot of money

($25k)

, but it petered out when

Ethan went to FSAE

a member left. Rumor has it the ghost of the yellow test stand still lives in Edgerton. Pioneered the use of CNC manufacturing on Rocket Team.

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url Project Viper

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Learning Curriculum

The liquid prop team has developed an on-boarding curriculum to provide new and existing members with an introduction into various important concepts that are necessary to know on the team. These topics include basic engine design, incompressible flow fundamentals, combustion fundamentals, feed system design, as well as more advanced topics. Click the header above to explore the different learning resources.

Research

Through the design of engines, and recent research endeavors, the team has compiled various write-ups and findings relevant to our work. Past findings from previous projects can be found here, along with findings from the research initiative that the sub-team began in October 2020 (which then became Project Romulus!).

Team leads

Name	Term
Trey Watts	Fall 2017
Ethan Perrin	Spring 2017
Nick Bain	Fall 2017 - Spring 2018
Alex Miller	Fall 2018 - Spring 2019
Matt Morningstar	Fall 2019 - Spring 2020
Zander Hodge	Fall 2020 - Fall 2021
John Posada	Spring 2022 - Spring 2023
Nigel Barnett	Fall 2023 - Spring 2024
Alex Gale

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title	Rocket Team Fact!

liquid prop is the best subteam👍

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Key

Overview

Engine Projects

Button Hyperlink
title Polaris
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url Project Polaris

Learning Curriculum

Research

Team leads

Project Polaris

Project Romulus

Project Pyralis

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url Project Helios

Button Hyperlink
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url Project Romulus

Button Hyperlink
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url Project Pyralis

Button Hyperlink
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url Project Viper

Learning Curriculum

Research

Team leads

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Key

Overview

Engine Projects

Button HyperlinktitlePolaristypestandardclassbuttonurlProject Polaris

Team leads

Project Polaris

Button HyperlinktitleHeliostypestandardclassbuttonurlProject Helios

Button HyperlinktitleRomulustypestandardclassbuttonurlProject Romulus

Team leads

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title Polaris
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url Project Polaris

Button Hyperlink
title Helios
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url Project Helios

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title Romulus
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url Project Romulus