Goupy No.1

__NOTOC__ Infobox Aircraft
name=No.1


caption=
type=Experimental aircraft
national origin=France
manufacturer=Voisin
designer=Ambroise Goupy
first flight=5 September avyear|1908
introduced=
retired=
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produced=
number built=1
variants with their own articles=The Goupy No.1 was an experimental aircraft built in France in 1908, which on 5 September that year became the first triplane to fly. Designed by Ambroise Goupy and built by Voisin, it was a conventional, tractor design with fixed tailwheel undercarriage and an open cockpit. The only unorthodox aspects of the design were its triplane tail unit, which was used by A.V. Roe in triplanes 1-3 in 1909. and the way that the interplane struts of both the wings and empennage were covered with fabric to create box kite-like cellules. As originally constructed, the middle wing was mounted in a mid-wing position on the fuselage, with the top and bottom wings clear of the fuselage, and power was provided by an Antoinette engine. The design was later revised so that the bottom wing was mounted at the base of the fuselage, the middle wing to the top of the fuselage, and top wings clear of it. At the same time, the engine was changed to an Anzani of similar power and the span of the wings was increased past the interplane struts.

pecifications

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crew=One pilot
capacity=
length m=9.80
length ft=32
length in=2
span m=7.50
span ft=24
span in=7
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wing area sqm=44.0
wing area sqft=474
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gross weight kg=476
gross weight lb=1,050
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eng1 number=1
eng1 type=Anzani
eng1 kw= 37
eng1 hp= 50
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max speed kmh=54
max speed mph=33
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References

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