| Roe IV Triplane | |
|---|---|
 | |
| The Shuttleworth Collection's replica Roe IV Triplane | |
| Role | Trainer |
| Manufacturer | Avro |
| Designer | Alliott Verdon Roe |
| First flight | September 1910 |
| Retired | August 1911 |
| Number built | 1 |
The Roe IV Triplane was an early British aircraft designed by Alliott Verdon Roe and built by A.V. Roe and Company. It was first flown in September 1910.
The Roe IV Triplane resembled Roe's Type III, being a tractor configuration triplane with the lower wing of smaller span than the upper two and a triangular section wire-braced fuselage, which was uncovered behind the pilot's seat. The middle wing was mounted directly above the upper longerons, and there was a gap between the single lower longeron and the lower wing. The wings were connected by four unequally-spaced pairs of interplane struts on either side, the innermost pair on each side being just outboard of the upper longerons and the outer pair connecting only the upper pair of wings due to the shorter span of the lower wing. Although the ailerons fitted to the previous design had been satisfactory, Roe returned to wing warping for lateral control. The lifting triplane tailplanes of the earlier design were replaced by a non-lifting single triangular tailplane with a divided elevator and a small unbalanced rudder. The undercarriage consisted of a pair of skids extending forward of the propeller, with a pair of wheels mounted on each skid, and a sprung tailskid. It was powered by a 35 horsepower (26 kW) Green water-cooled four-cylinder inline engine, with the radiator mounted above the fuselage between the front inner interplane struts. [1]
The single example built was used for a while as a trainer at the Avro Flying School at Brooklands, where several pilots who were to become famous learnt to fly in it, including Howard Pixton, who gained his Aero Club certificate in it on 24 January 1911. During its service as a trainer it was crashed numerous times, including at least twice into the notorious Brooklands sewage farm. After a crash on 14 February the aircraft was rebuilt with the fuselage lengthened by 4 ft (1.2 m). It continued to be used for training until August 1911, when it was scrapped.
A full-scale flying replica was built for the 1965 film Those Magnificent Men in Their Flying Machines and was afterwards donated to the Shuttleworth Collection, where it remains in airworthy condition as of 2022. [2]
Data from [3]
General characteristics
The Roe I Triplane was an early aircraft designed and built by A.V. Roe which was the first all-British aircraft to fly..
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