Wing ribs.
A flat plane placed with its surface at right angles to the air stream.
The pressure at right angles to the surface of a plane.
A stabilizing surface arranged so that it carries no load in normal flight.
The member used for the entering edge of the wing.
The front end of the aeroplane.
(Fr. Ecru.)
O
OBLITEUR RINGS (Fr.)
The special piston rings used on the Gnome motor.