Questions tagged [rocket]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
0 answers

How could I make an all electric model rocket? [closed]

What I've been noodling on is how to convert that energy into thrust to create an all electric model rocket. I got as far as realizing that dumping electricity from a battery into a capacitor might ...
Jonathan Koomey's user avatar
5 votes
1 answer

What type of control law is used in "Reaction Control System" of Apollo Lunar Module or Space Shuttle?

Reaction Control Systems (RCS) on these vehicles are implemented by using small rocket thrusters. For me it looks like these thrusters work in some kind of "pulse" mode. And I can't understand - do ...
neuromantik's user avatar
2 votes
2 answers

Are LiPo really 100 times more energy dense than model rockets?

Lately I've been interested in comparing the energy density of model rocket engines to lithium polymer batteries (attached to motors and propellers) for propelling things upwards. To get a feel for ...
foobarbecue's user avatar