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Results tagged with rockets
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user 415
Questions regarding the boosters or thrusters used to propel man-made objects. For rockets firing opposite the primaries, see [retrorockets]. See wiki for other related tags.
59
votes
Accepted
What "actually" happens at T-minus-0
T minus zero appears to generally indicate the moment of booster liftoff, but can also indicate something different. To borrow Cort Ammon's wording, it's an action or event that results in a substanti …
- 7,350
4
votes
1
answer
2k
views
Is it correct to say that a LH2/LOX rocket uses water as propellant?
The title more or less sums it up.
A rocket engine works pretty much by combining fuel and oxidizer, and expelling some propellant resulting in foward motion as described by Newton's third law of mot …
- 7,350
19
votes
How far would the STS get without the SRBs
TL;DR
Without SRBs, by maintaining the real stack's thrust to weight ratio at ignition, you run out of fuel at about 167 seconds with (if we maintain the flight profile of the real stack) a velocity …
- 7,350