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Originally Posted by hema
yes i am saying like bow used a static energy to project arrow like the same can we use a initially static energy and after that explosive energy to propagate rocket ,coz we can compensate with all we have on earth but not in space. but problem is only to find out proper material and technology.
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Your writing style is making it difficult to follow your line of thought.
If you are considering achieving a major portion of the final velocity by using a spring as a substitute for an additional rocket stage, I don't think you will succeed. The spring would have to do all of its work in a fraction of a second, while a rocket could spread it out over a few minutes as needed. Even if we had spring materials capable of the task, the jolt from such a rapid acceleration would be hard on the payload.