A bracing wire.
H
HARD WIRE.
A solid tempered wire of high tensile strength used for aeroplane bracing systems.
Another expression for hard or high tensile strength wire.
The resistance of the structural parts of an aircraft. In an aeroplane, the head resistance is the sum of the resistances of the body, stays, struts, chassis, tail, rudder, elevators, etc.; in fact, this includes everything with the exception of the wing drag.
A type of direct lift machine in which sustentation is performed by vertical air screws or propellers.
A geometrical curve formed by the combined advance and revolution of a point.
Propeller or screw.
Tractor propeller.