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main plane

  1. one of the principal supporting surfaces of an aircraft, esp either of the wings
  2. both wings considered together
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Examples from the Web for main plane
Historical Examples
  • Dimensions of the various parts depend upon the plan adopted and the size of the main plane.

    Flying Machines W.J. Jackman and Thos. H. Russell
  • There were three wheels—two under the main plane and the third under the tail for starting and alighting.

  • It was driven by a 100-horsepower Gnome motor and a propeller 10 feet in diameter, which was placed at the rear of the main plane.

  • The engine was just under and at the front of the main plane, driving a single propeller.

  • The main plane has a spread of 29 feet, and has a total supporting surface of 129 square feet.

  • The operator sat just to the rear and above the engine so he could look out and over the top of the main plane.

  • The passengers were seated underneath the main plane on the framework which extended out to the rear.

  • The balance in this machine is preserved by large hinged ailerons at the outer rear edges of the main plane.

  • Two other vertical surfaces between the main plane gave the machine the appearance of three box kites side by side.

  • A rudder, to keep the machine in a straight course, can be added underneath the centre of the main plane.

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