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Avro 685 York
The Avro York was a British transport aircraft developed during the Second World War.
The design was derived from the Avro Lancaster heavy bomber, several sections of the York and Lancaster being identical.
Due to the importance of Lancaster production, York output proceeded at a slow pace until 1944, after which a higher priority was placed upon transport aircraft.
Avro 685 prototypes
Prototype first flown with twin-tail and later converted to C.II standard
Prototype fitted with passenger seats
Prototype fitted as a flying conference room, later used by Winston Churchill
Prototype fitted as a paratroop drop variant with a drop hatch in the floor
Four-engined civilian transport aircraft.
Four-engined military transport aircraft for the RAF, 208 built by Avro and one by Victory Aircraft.
One prototype York aircraft converted with four Bristol Hercules XVI radial piston engines.
78 ft 6 in (23.93 m)
102 ft 0 in (31.09 m)
16 ft 6 in (5.03 m)
1,297 sq ft (120.5 m2)
40,000 lb (18,144 kg)
65,000 lb (29,484 kg)
4 × Rolls-Royce Merlin 24, V-12 liquid cooled piston engines,
1,280 hp (950 kW) each
3 bladed constant speed propellers
298 mph (480 km/h, 259 kn)
3,000 mi (4,800 km, 2,600 nmi)
23,000 ft (7,000 m)
Rate of climb
820 ft/min (4.2 m/s)
54 lb/sq ft (260 kg/m2)
0.079 hp/lb (0.130 kW/kg)
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