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Re: Why does the Shuttle have Solid Rocket Boosters?
I believe that the liquid fuel engines are also used for maneuvering purposes while in orbit, and breaking orbit for reentry. Since, as you say, solid motors cannot be turned off, they would be impractical for this.
As someone with some experience in hobby rocketry, big ditto on solid motors being simpler, and more reliable if used right. Liquid fuel motors are considered a big no-no at most launches I have attended, even those that allow and encourage custom made solid fuel motors.
Cost may also be a factor.
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FIRST is not about doing what you can with what you know. It is about doing what you thought impossible, with what you were inspired to become.
2007-2010: Student, FRC 1687, Highlander Robotics
2012-2014: Technical Mentor, FRC 1687, Highlander Robotics
2015-2016: Lead Mentor, FRC 5400, Team WARP
2016-???: Volunteer and freelance mentor-for-hire
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You are an inquisitive rookie aren't ya
- Kyle [more] 
04-10-2008, 19:14
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