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Fournier RF6


Sportavia RF6

Sportavia RS-180


At the end of the 1960s, many touring four-seater were produced in Europe and Sportavia in West Germany believed the need for a three-four-seater. A prototype was ordered from René Fournier in 1969, with the prospect of financial support from the German federal government.
Significantly departing from the motor gliders designed by René Fournier, the new aircraft was a wooden monoplane with a low cantilever wing and fixed tricycle undercarriage, with a Continental O-200 engine of 100 hp. The hoped-for federal aid will not materialize.
A prototype (D-EHTD) was built anyway, with the first flight taking place in 1973, but it was too late to launch a new aircraft on the market.
In addition to the RF-6, the production of a two-seater side-by-side school RF-6B version was planned, René Fournier considering that it was possible to offer an alternative to the Cessna 150. Built in wood, with load factors allowing elementary aerobatics (+ 6G / -3G). The flight test for certification specifies that "the rate of climb is rather disappointing and that the sequences in aerobatics lead to a systematic loss of altitude". The prototype took to the air in 1974 and 50 production units were built in France until 1980.
Fournier constructed a facto­ry in a wood across the runway from his workshop and launched series production of the side‑by‑side, two‑seat aerobatic trainer, which has the very classic appearance and flying qualities typical of his work.
M. Fournier established subsequently Avions Fournier at Nitray, near Montlouis, to develop a revised version of his RF-6 Sportsman, designated RF-6B; first flown March 12, 1974. The prototype was powered by a 90-hp (67-kW) Rolls-Royce 0-200-E engine driving a fixed-pitch metal propeller, and certification was achieved in April 1975 as the RF-6B.
On 4 March 1976 the first of five pre-production aircraft flew for the first time, powered by a 100-hp (75-kW) Rolls-Royce Continental 0-200-A engine with a fixed-pitch wooden propeller, as adopted for all subsequent production examples.
Production ceased after 45 RF-6Bs had been built, the last of these being a development aircraft with a 118-hp (88-kW) AVCO Lycoming O-235 and production has been taken over by Slingsby Engineering in the UK, and the first British-built RF-6B was scheduled to fly in May 1981.  A small batch of wooden aircraft was followed by a glass fibre version.
The rights were sold to Slingsby in Great Britain which produced a version in composite materials, the Slingsby T67 Firefly.
The RF-5C four-seater evolution of the RF-6, produced in 1973 by Fournier in collaboration with Manfred Schliwa at the request of Sportavia, who still believed they could place a European aircraft on the German market. Four RF-6C (c/n 6001/6004) were built by Sportavia before the Lycoming 125 hp engine was replaced by a 180 hp O-360. They had a fiberglass covering, bubble canopy and fixed tricycle gear. It is a conventional side‑by‑side design, cross‑country, trainer and fully aerobat­ic, a 200‑mph airplane.
The Sportavia RS-180 was the standard version of the RF-6C with a Lycoming 180 hp engine. Only 18 examples were built (c / n 6004/6022).
Engine: Rolls-Royce Continental 0-200-A, 100-hp (75-kW)
Span: 34 ft 5 ½ in (10.56 m)
Wing area: 139.9 sq ft (12.60 m²)
Length: 22 ft 11 ¾ in (7.19 m)
Height: 8 ft 3 in (2.37 m);
Empty weight: 1,102 lb (500 kg)
Maximum take-off 1,653 lb (750 kg)
Fuel capacity: 80 lt
Maximum speed: 124 mph (200 km/h) at sea level
Cruising speed: 112 mph (180 km/h) at 4000 m 
VNE: 257 km / h
Stall: 74 km / h
ROC: 3.5 m / s
Range max fuel: 404 miles (650 km)
Take-off distance: 455 m
Landing roll: 415 m
Seats: 2




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