David's user avatar
David's user avatar
David's user avatar
David
  • Member for 8 years, 8 months
  • Last seen more than a month ago
23 votes
3 answers
6k views

Why isn't SpaceX constructing the Super Heavy launch mount on top of the water?

16 votes
3 answers
4k views

Why didn't they launch the Falcon Heavy to be injected into Mars orbit?

7 votes
1 answer
1k views

How did SpaceX achieve such a high Thrust to Weight ratio with the Merlin engine?

7 votes
1 answer
1k views

Has the ISP been published for NASAs new rotating detonation engine demonstrator?

6 votes
3 answers
5k views

What is the theoretical max specific impulse of rotating detonation engines in space flight?

4 votes
1 answer
382 views

Why did Virgin Galactic choose N2O / HTPB as its fuel?

4 votes
1 answer
456 views

What happens to Blue Origin's New Shepard capsule if their one engine fails?

4 votes
1 answer
448 views

Why did Virgin Galactic decide to use a hybrid engine vs liquid on their space ship?

3 votes
1 answer
263 views

How do you avoid wasting oxidizer when designing a hybrid rocket?

3 votes
0 answers
227 views

What advantages will Rocket Lab's Neutron have over the Falcon 9?

2 votes
1 answer
408 views

Why does the more complex looking Starship launch tower cost so much less than SLS' tower?

1 vote
1 answer
397 views

Will the price for a B330 space station come down with volume?

1 vote
1 answer
270 views

Could rotating detonation engines help create a successful single stage to orbit vehicle?