Grana

Grana is a type of rocket engine that uses solid propellant. It is a high-thrust engine that provides a short burst of power, making it ideal for use in the first stage of a rocket launch. Grana engines are known for their simplicity and reliability, as they have fewer moving parts than liquid-fueled engines. They are also less expensive to manufacture and easier to transport and store. However, they cannot be throttled or shut down once ignited, and their performance is less efficient than liquid-fueled engines. Grana engines have been used in a variety of space missions, including the launch of the Hubble Space Telescope and the Mars Pathfinder mission.

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Grana

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