Macchi_M.C.73 Knowpia

Maximum speed: 191 km/h (119 mph, 103 kn)
Stall speed: 67 km/h (42 mph, 36 kn)
Service ceiling: 6,250 m (20,510 ft)

M.C.73
Role	Touring landplane / floatplane
Manufacturer	Macchi
Designer	Mario Castoldi
First flight	1930
Status	prototype only
Number built	2

The Macchi M.C.73 was a two-seat touring landplane / floatplane built by Macchi in the early 1930s.

Intended to replace the Macchi M.70 from which it was derived, in 1931 the M.C.73 took part in the Giro d'Italia races. In addition to the M.C.73, 32 more aircraft took part in the race, which the M.C.73 won.^[1]

Variants edit

M.C.73: Landplane version with conventional tail-wheel undercarriage.
M.C.73 Idro: Floatplane version with two strut-mounted floats.

Specifications edit

Data from Macchi aircraft from 1912 to 1963 ^[1]

General characteristics

Crew: 2
Length: 7.45 m (24 ft 5 in)
Wingspan: 9.55 m (31 ft 4 in)
Height: 2.95 m (9 ft 8 in)
Wing area: 23.3 m² (251 sq ft)
Empty weight: 485 kg (1,069 lb)
Gross weight: 765 kg (1,687 lb)
Powerplant: 1 × Colombo S.63 6-cylinder air-cooled in-line piston engine, 89 kW (120 hp)
Propellers: 2-bladed fixed pitch propeller