drift indicator

[′drift ‚in·də‚kād·ər] (engineering) Device used to record directional logs; records only the amount of drift (deviation from the vertical), and not the direction. (navigation) drift meter

drift indicator

Drigt-indicator.An instrument that looks vertically at the surface to provide an indication of drift angle. It consists essentially of a sight tube with a hairline that is rotated until objects on the ground travel parallel to it. This direction is compared with the course to get the drift angle. Also called a drift meter or drift sight meter.

单词	drift indicator
释义	drift indicator drift indicator [′drift ‚in·də‚kād·ər] (engineering) Device used to record directional logs; records only the amount of drift (deviation from the vertical), and not the direction. (navigation) drift meter drift indicator Drigt-indicator.An instrument that looks vertically at the surface to provide an indication of drift angle. It consists essentially of a sight tube with a hairline that is rotated until objects on the ground travel parallel to it. This direction is compared with the course to get the drift angle. Also called a drift meter or drift sight meter.
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