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The ullage settling motor is a small, solid rocket motor that serves two key roles during the launch of the Ares I rocket.— Life, The Universe ...
The word "ullage" is taken from the French term "ouillage," which is used in winemaking to describe the space between wine and the top of a storage container, such as a barrel or bottle.— Life, The Universe ...
The ullage motor, 9 inches in diameter and 47 inches in length, is similar in design to the booster separation motor used on the space shuttle's reusable solid rocket motor.— Life, The Universe ...
Eight ullage motors will be arranged in four pairs on the Ares I upper stage aft skirt, which also houses the reaction control system, NASA says.— Life, The Universe ...
"We are very excited about this opportunity for our team to practice the basic principles of solid rocket motor design for the Ares I," says Steve Harvison, ullage settling motor design lead at Marshall.— Life, The Universe ...

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