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Raw Data: 223.TXT

ENG File: test.eng

Image Added

Discussion

This was the first 6" diameter rocket motor the team has tested. The data collection equipment was carried over from the 4" project, but the stand and support equipment were tested for the first time. The Dodge van had enough space to fit the fully assembled test stand, the motor, ladder, fire extinguisher, and other equipment. This is a good vehicle for this application and should be used in the future, as assembling the test stand at the field (and in the cold) is a hassle. At the field, setup went smoothly. The ground was frozen, and it took a while to screw in all four ground anchors with the available tools. In the future, a small shovel and a sledgehammer should be packed. Since the subscale motor is shorter than the test stand, a two foot aluminum round was placed below the motor in the test stand as a spacer to keep the nozzle in line with the top of the test stand. Since the aluminum round was in a car that arrived after the test stand, the test stand was placed vertically and staked to the ground before the motor was inserted. Typically the motor will be inserted into the test stand horizontally, then the whole assembly will be rotated to the vertical.

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