Avro C.30A / 671 Rota

Specifications

1st Flight 1933

Crew: 1

Capacity: 1 passenger

Length: 19 ft 8 in (6 m)

Height: 11 ft 1 in (3.38 m)

Empty weight: 1,220 lb (553 kg)

Gross weight: 1,600 lb (726 kg)

Powerplant: 1 × Armstrong Siddeley Genet Major IA 7-cyl. air-cooled radial piston engine, 140 hp (100 kW)

Main rotor diameter: 37 ft 0 in (11.28 m)

Main rotor area: 1,100 sq ft (100 m2)

Performance

Maximum speed: 96 kn (110 mph, 180 km/h)

Cruise speed: 83 kn (95 mph, 153 km/h)

Range: 248 nmi (285 mi, 459 km)

Rate of climb: 700 ft/min (3.6 m/s)

Avro

Variants

Avro obtained the licence in 1934 and subsequently built 78 examples, under their model designation, fitted with an Armstrong Siddeley Genet Major IA (known in the RAF as the Civet 1) 7-cylinder radial engine producing 140 hp (100 kW).

The first production C.30A was delivered in July 1934.

C.30 – Powered by a 105 hp (78 kW) Armstrong Siddeley Genet Major I radial piston engine.

C.30P – Improved model, powered by a 140 hp (104 kW) Armstrong Siddeley Genet Major IA radial piston engines

C.30A – Main production model, powered by a 140 hp (104 kW) Armstrong Siddeley Genet Major IA radial piston engine.

Rota Mk I – RAF designation of the Cierva C.30A.

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