Fournier RF 4

what is it?

The Fournier RF 4 is a single-seater motor glider designed by René Fournier in 1966. It is an aerobatic version of the Fournier RF 3.

🔎How to recognise it: 1 piston engine with propeller · 11.3 m wingspan

base stats

• speed 196 km/htop speed
• size 390 kgmax take-off weight
• built 156made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🎂First flew 61 years ago, in 1965.
• 🚗Wingspan of 11.3 m: about 3 cars parked nose to tail.

piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.

spec sheet

first flight

1965-11-25

introduced

1966

number built

156

role

motor glider

origin

🇫🇷 France

makers

Sportavia-Pützer, Alpavia

engines

1× Rectimo 4 AR 1200 (VW)

crew

1

length

6.1 m

wingspan

11.3 m

height

1.6 m

max take-off weight

390 kg

top speed

196 km/h

cruise speed

177 km/h

range

—

ceiling

5,791 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.