L.Opdyke French Aeroplanes Before the Great War (Schiffer)
Deleted by request of (c)Schiffer Publishing
Flight, January 13, 1912.
PARIS AERO SHOW.
THE all-steel two-seater biplane that was on view at the Clement-Bayard stand is a direct descendant of the monoplane with which they have been carrying out successful experiments for some time past, and which caused quite a sensation by its appearance in flight over the Grand Palais on one of the days when the Salon was in progress.
The main body of the machine is roughly of torpedo shape, being of pentagonal section in front and in the region of the pilot's and passenger's seats, and from that point to the tail dwindling to triangular section. It is covered in throughout its whole length by metal sheeting in front, and by fabric at the tail end.
The main planes, of modified Nieuport cross-section, are attached and braced to a central tower of steel tubing, constructed integral with the fuselage, from which they may be readily detached to facilitate terrestrial transportation of the machine from place to place. The top plane is longer in span than the lower one by about 6 ft., and lateral balance is maintained by warping them synchronously. Steel is chiefly employed for the construction of the landing gear - wood being only used for the two main skids, and for the smaller skid protecting the tail unit. The latter is built up of a number of laminae of ash, and supported from the fuselage by two steel tubes. The tail unit comprises a horizontal stabilising surface, to the back edge of which is hinged the elevator.
A small triangular fin precedes the unbalanced rudder.
Control in the three dimensions of elevation, balance and direction is operated from a universally jointed upright column surmounted by a wheel. A to-and-fro motion governs the ascent and descent of the machine, rocking the column laterally manipulates the warping, and rotation of the wheel effects the steering to right and left.
The location of the three controls on one column and the fact that all control wires are carried from a point below the fuselage, has the effect of giving the interior of the pilot's cockpit an unusually clean appearance.
Other interesting exhibits on this stand were an extremely well constructed nacelle for a dirigible balloon, fitted with a pair of water-cooled Clement-Bayard motors and a clever apparatus for measuring the permeability of balloon fabric.
Principal dimensions, &c.:-
Length 32 ft.
Span 36 ft.
Area 308 sq. ft.
Weight 880 lbs.
Speed 56 m.p.h.
Motor 50-h.p. Clement-Bayard.