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Hanriot F.I / Ponnier-Pagny biplane

Страна: Франция

Год: 1912

Hanriot - D.I / Hanriot-Pagny monoplane - 1912 - Франция<– –>Hanriot - Concours de Securite - 1913 - Франция

L.Opdyke French Aeroplanes Before the Great War (Schiffer)

Deleted by request of (c)Schiffer Publishing

Журнал Flight

Flight, September 13, 1913.


   SPECIAL interest is attached to this biplane owing to the fact that last week, in France, Bielovucic carried out some successful tests with an 80 h.p. two-seater model built for the War Office.
   Although in general appearance similar to the Henry Farman biplane, this machine has several very distinctive features, viz. :- tubular steel construction, Constantin wing section with blunt entering edge, and the arrangement of the plane-struts, of which there are six pairs. The two central pairs are arranged in the form of a V and extend below the front and rear spars of the lower plane. The apex of the front V joins the axle, and that of the rear V joins the lower tail outrigger; both are connected by a central strut. The outer plane-struts slope outwards from the lower to the upper spars. Pilot and power plant are carried in a nacelle situated between the main planes and extending well forward. The tail plane, to which are hinged two elevator flaps, is non-lifting and set at a negative angle of incidence, and is mounted on two upper outriggers secured to the rear spar of the top plane. Lateral control is obtained by warping the main planes (ailerons have also been employed), by means of a wheel mounted on a rocking column, a to-and-fro movement of which operates the rear elevators for longitudinal control. The directional rudder is operated by a horizontal foot-bar.
   The principal dimensions of the two-seater model are as follows :- Span - (Upper plane) 12,500 m.; (lower plane) 5,500 m. Length - 7,200 m. Chord - 1,700 m. Gap - 1,600 m. Supporting area - 30 sq.m. Weight - (Empty) 350 kilogs.; (useful load) 300 kilogs. Speed - 115 kiloms. Engine - 80 h.p. Gnome.

L.Opdyke - French Aeroplanes Before the Great War /Schiffer/
The Ponnier Fl with the covered nacelle.
L.Opdyke - French Aeroplanes Before the Great War /Schiffer/
The second version of the first Ponnier, the Fl.
Журнал - Flight за 1913 г.