Albert Toussant
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In 1921, a quad-lifting propeller compound was built at the Sanchez-Besa Plant near Paris by Albert Toussant.
The design was depicted in his patent, shown in Figure 3. To allow the aircraft to glide in the event of engine
failure, five arrays of 10 very high aspect ratio tiltable wings (like venetian blinds) were used, one in the front,
three just aft of the pilot, and one in the rear.
- Power: Le Rhône 60 hp (45 kW) rotary engine
- Propeller: The lifting propellers were 2.7 m (8.85 ft) in diameter; the propulsive propeller diameter was 1.5 m (4.93 ft).
- Overall width: 6 m (19.6 ft)
- 2-side-view of the patent
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