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Questions tagged [mechanism]

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Mass/weight information about stage separation mechanism

How can I get mass/weight information about rocket stage separation mechanisms that are used in multi-stage rockets? I plan to create an excel table to compare stage separation mechanisms by weight ...
2
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0answers
89 views

What is the largest energy stored in a spring or other mechanical device ever put in space?

The question What is the largest delta-v ever produced in space from mechanically stored energy? asks of course about the delta-v produced, but here I'm asking about the largest amount of stored ...
5
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0answers
67 views

Are all DC motors on the inside of the ISS brushless?

Considering the number of motors on the ISS used in pumps, fans, actuators and robots, are there rules against brushed motors, motors with electrical brushes which can make particulate matter? Based ...
3
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1answer
342 views

Saturn V and STS holding to launch pad mechanism

In this question on quora, the first answer mentions that for Space Shuttle launches they changed the holding mechanism to explosive bolts from the clamps used to hold the Saturn V. The video links ...
3
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0answers
55 views

Why GSLV uses different stage seperation mechanism for their different varients

Why GSLV mk II is using Marman mechanism for stage separation but GSLV mk III is using Collet mechanism for stage separation?
4
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0answers
87 views

Marman vs collet seperation mechanism

The Marman and the Collet mechanisms are used for stage separation in rockets and launch vehicles. Which of these is most efficient, cost wise, weight wise and ease of usability wise? Which of the ...