integrated ducted propeller
integrated ducted propeller
[′int·ə‚grād·əd ′dək·təd prə′pel·ər] (naval architecture)
A coaxial duct fitted in two halves ahead of a previously existing propeller and tapered from top to bottom to increase efficiency.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.