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Results tagged with propulsion
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user 158
Systems for propelling a spacecraft from one place to another, such as rockets.
21
votes
Is warp drive a legitimate avenue of scientific investigation?
Original Answer
Given Alcubierre's math, and White's calculations, it's a viable avenue of research to pursue.
Whether or not it is practical as FTL, and given the expected maximum apparent speed of a …
- 11.6k
17
votes
Can a rocket motor be shut off after ignition?
Liquid fueled
Most (almost all, but not all) are configured for both shut-off and restart.
Some early liquid fueled rockets could not be shut off - they were "gravity fed," and once under acceleration …
- 11.6k
13
votes
Could a ship take off from Earth using ion thrusters?
Ion thrusters of current designs would short out the charged grid in surface level atmosphere.
Current generation ion thrusters rely upon a difference in charges ionizing and then attracting the rea …
- 11.6k
5
votes
Hypothesized parameters of reactionless drives
For the EM-Drive, the disparity comes from the test results of the different test apparati.
at least 5 test run versions have been made:
— The 2 test rigs by the developer
— The Chinese replication
…
- 11.6k
4
votes
What limits the speed of space probes currently?
Simply put: Fuel and drive efficiency.
There is a maximum amount of vector change possible based upon the fuel load aboard, and the efficiency of the drive in converting that fuel into a change of ve …
- 11.6k
1
vote
Could India Send a Lander to Mars?
India has the lift capacity, as evidenced by their recent mars probe launch. A small rover could be less mass than the orbiter they sent, which has a laden mass of about 515kg. ❸
Further, India has …
- 11.6k