Lowering the Barrier to Entry into Liquid Rocketry

RESOURCES


Getting Started

Whether you’re new to liquid motors or looking to learn more about each subsystem, here you’ll find information on the parts that go into a Half Cat style propulsion system.

Amateur Liquid Rocket Basics

Nitrous Oxide

Liquid Fuels

Propellant Tanks

Thrust Chambers

Fluid Systems

Interfaces

IMG_7556.jpg

Simulation

HCR publishes ready-to-use tools for designing amateur rocket motors and their subcomponents.

HalfCatSim

Liquid Rocket Motor Design and Simulation

Pressure Vessel

Calculations for Propellant Tanks and Thrust Chambers

IMG_7151.jpg