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11-554: (Redirected from H-26 ) H26 may refer to: Hanriot H.26 , a French prototype fighter aircraft Herreshoff H-26 , an American sailboat design HMS  H26 , a 1918 British Royal Navy H class submarine Other cataract ICD-10 code H-26, in US helicopter designations was the American Helicopter XH-26 Jet Jeep [REDACTED] Topics referred to by

22-421: A bracing wire ran from the rear undercarriage structure upwards and outwards, via the lower to the upper wing. This was replaced by a single, wide chord rigid strut with an aerofoil section and widened at its roots. The closely cowled radial engine set the diameter of the H.26's short nose and drove a two blade propeller behind a very large diameter domed spinner . The Salmson was initially cooled with

33-473: A semi-circular Botali radiator to the rear of the engine but this proved ineffective and was replaced with a pair of Chaussons, one on each forward undercarriage leg. The H.26 had a fixed conventional undercarriage with mainwheels on a centrally hinged split axle, enclosed within a lift-contributing wing-like fairing and supported by N-form struts attached to the lower fuselage longerons on each side. Originally, these were reinforced by long vertical struts from

44-518: Is different from Wikidata All article disambiguation pages All disambiguation pages Hanriot H.26 The H.26 (the first Hanriot fighter that did not use the HD nomenclature, where the D was for their long-standing designer Emile Dupont) was intended for the 1921 C1 (single seat Chasseur or fighter) programme competition. Most participants used the 300 hp (224 kW) V-8 Hispano-Suiza 8F engine, with its low frontal area. Instead,

55-411: The shock absorber attachments to the upper wing central section. These were discarded when the interplane wires were replaced by the faired interplane struts , which extended downwards to the rear undercarriage structure; the tops of the shock absorber struts were relocated to mid-fuselage on the engine mounting. The pilot's cockpit , with a faired headrest behind it, was at the trailing edge of

66-410: The stagger marked. The lower wing was conventionally mounted at the bottom of the fuselage and the upper planes, built in separate pieces, braced close to the upper fuselage on short, faired extensions. In section the wings were aerodynamically thick and strongly cambered. There were ailerons only on the upper plane, the plan, structure and bracing of which was greatly altered during 1923. When

77-678: The H.26 made its first public appearance, at the Paris Aero Show in December 1922, the still uncovered upper wing of the unflown fighter had long, gently curved tips outboard of a straight edged, constant chord central section and had a single main spar . Sixteen months later, after the aircraft had flown, the wings had become rectangular and were built around two spars. The short span lower wing retained its single spar structure throughout but it, too, had curved tips replaced with square. The wing bracing had also changed: originally

88-403: The H.26 used a lower power, 260 hp (194 kW) water cooled Salmson 9Z 9-cylinder radial engine . The H.26 aimed to redress the balance by aerodynamic cleanliness, with few interplane struts , flying wires or exposed cabane struts . It was an all-metal single bay sesquiplane , fabric covered except for the fuselage ahead of the cockpit. The gap between the wings was small and

99-448: The same term This disambiguation page lists articles associated with the same title formed as a letter–number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=H26&oldid=1225605197 " Category : Letter–number combination disambiguation pages Hidden categories: Short description

110-463: The upper wing, placed within a small cut-out to improve his limited view. The H.26 had a fuselage built around four metal tube, cross-braced longerons , enclosed within metal formers and stringers to shape it into an oval cross-section. Behind him the fuselage tapered to the broad chord fixed tail surfaces. The mid-fuselage tailplane, which had a strongly swept leading edge , carried round tipped elevators that narrowed inboard. The vertical tail

121-476: Was oval shaped, with a broad chord rudder that ended at the top of the fuselage. The H.26 was first flown from Orly in 1923. Initially troubled by engine overheating, it proved to have handling problems and a poor view for the pilot; despite the modifications, its test programme was soon abandoned. Data from Green & Swanborough p.279 General characteristics Performance Aircraft fairing#Engine cowling An aircraft fairing

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