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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.

62 votes
Accepted

What are these things fired away from a ballistic missile at launch?

If you use the YouTube commands for single framing ( , and .) you can clearly see the rocket retaining rings around the body which are ejected outwards by pyrotechnics as it leaves the launch/storage …
Brian Tompsett - 汤莱恩's user avatar
56 votes
Accepted

Why do the Russians use these fence-like interstage fairings?

It's all to do with ullage in the fuel tanks. Newton's laws of motion mean that when a rocket is no longer firing and no force is being applied, the rocket receives no acceleration. It continues at it …
Brian Tompsett - 汤莱恩's user avatar
5 votes
3 answers
1k views

Could the Bloodhound Rocket Car be launched into orbit?

The Bloodhound SSC (Supersonic Car) currently being constructed to break the 1000 mph barrier is powered by a Hybrid Rocket (Solid fuel + HTP) and a Rolls-Royce EJ2000 Jet Engine: Considering the e …
Brian Tompsett - 汤莱恩's user avatar
9 votes
Accepted

Falcon 9 landing on drone ship 15/06/2016

The craft experienced a RUD, which is Elon Musk's technical term for a Rapid Unscheduled Disassembly. It thus became a pile of spacecraft parts on the deck of the landing craft, and also burnt quite a …
Brian Tompsett - 汤莱恩's user avatar