rocketry

rocketry

NOX IPA test FIRE no ignition

NOX IPA test FIRE no ignition

Help with my motor or nozzle

Help with my motor or nozzle

Explosion of our 3D-printed rocket… (appears to be a motor problem)

Explosion of our 3D-printed rocket… (appears to be a motor problem)

SpaceX Starship does the impossible

SpaceX Starship does the impossible

Isayev S2.711 bipropellant hypergolic sustainer engine cutaway model

Isayev S2.711 bipropellant hypergolic sustainer engine cutaway model

Thrust vectoring jig for 75mm model rockets!

Thrust vectoring jig for 75mm model rockets!

World’s Largest Sugar Motor Static Fire Attempt at the FAR Launch Site

World’s Largest Sugar Motor Static Fire Attempt at the FAR Launch Site

Okay, hear me out...

Okay, hear me out...

What has Half Cat Rocketry been working on for the past few months? Well, a liquid rocket of course:

What has Half Cat Rocketry been working on for the past few months? Well, a liquid rocket of course:

13,000’ on an O3400!

13,000’ on an O3400!

Hot fire of 2Cat/3, a 350-lbf N2O/IPA liquid bipropellant engine!

Hot fire of 2Cat/3, a 350-lbf N2O/IPA liquid bipropellant engine!

More chuffing. But a cool video

More chuffing. But a cool video

Documentation on this type of combustion instability?

Documentation on this type of combustion instability?

Roll control in wind tunnel - Students' Space Association, Warsaw University of Technology

Roll control in wind tunnel - Students' Space Association, Warsaw University of Technology

My homemade sugar rocket motor with a concrete nozzle. Any advice for improvement, over/under expansion? Anything is great.

My homemade sugar rocket motor with a concrete nozzle. Any advice for improvement, over/under expansion? Anything is great.

2020 in a nutshell.

2020 in a nutshell.

Scary homemade rocket flight, can someone tell me while it spirals?

Scary homemade rocket flight, can someone tell me while it spirals?

The first analogy that came to mind when I learned how rocket engines work. Is it crazy or crazy but a little helpful for people who might zone out when they hear science talk?

The first analogy that came to mind when I learned how rocket engines work. Is it crazy or crazy but a little helpful for people who might zone out when they hear science talk?

Miniaturized swirl injector, and a program to design an engine based off a flow test. More info in the comments

Miniaturized swirl injector, and a program to design an engine based off a flow test. More info in the comments

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