| 21. | Once the projectile has travelled, the rocket motor starts and accelerates it to.
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| 22. | Packed inside were small, black brickettes the detective identified as rocket motor fuel.
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| 23. | Grain cracks did not affect combustion, like it does with solid rocket motors.
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| 24. | Bristol Aero Engines produced a range of rocket motors and ramjets for missile propulsion.
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| 25. | This means they can be manhandled safely, and maintained with the rocket motor installed.
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| 26. | In both these versions, power was provided by rocket motors on the rotor tips.
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| 27. | For a more complete discussion of the letter codes, see Model rocket motor classification.
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| 28. | After launch, the solid fuel rocket motor fired and SUBROC rose to the surface.
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| 29. | In a reverse hybrid rocket motor, the oxidizer is solid.
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| 30. | The SRBs were the most powerful rocket motors ever flown.
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