SIAI_S.22 Knowpia

SIAI S.22
Role	Racing flying boat
National origin	Italy
Manufacturer	SIAI
First flight	1921
Primary user	Italy
Number built	1

The SIAI S.22 was an Italian racing flying boat, built by SIAI for the 1921 Schneider Trophy race.

Design and development edit

The S.22 was a single-seat twin-engine biplane flying boat. Its two 224 kW (300 hp) Isotta Fraschini V.6bis engines were mounted on eight struts above the hull and below the upper wing, driving two propellers, one in tractor configuration and one in pusher configuration.^[1]

Operational history edit

During test flights over Lake Maggiore prior to the 1921 Schneider trophy races, the S.22 crashed into the lake, ending the hope that it would represent Italy in the race.^[2]

Operators edit

Kingdom of Italy

Specifications edit

Data from Aviation: SIAI racing seaplanes

General characteristics

Crew: one
Length: 7.62 m (25 ft 0 in)
Wingspan: 13.5 m (44 ft 3.5 in)
Gross weight: 2,500 kg (5,512 lb)
Powerplant: 2 × Isotta Fraschini V.6bis six-cylinder, water-cooled, in-line piston aero engine , 224 kW (300 hp) each

Performance