Avro's Type 688 Tudor was a British piston-engined airliner based on their four-engine Lincoln bomber, itself a descendant of the famous Lancaster heavy bomber, and was Britain's first pressurised airliner. Despite having a reasonably long range, customers saw the aircraft as little more than a pressurised DC-4 Skymaster, and few orders were forthcoming, important customers preferring to buy US aircraft.
Avro began work on the Type 688 Tudor in 1...
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Avro's Type 688 Tudor was a British piston-engined airliner based on their four-engine Lincoln bomber, itself a descendant of the famous Lancaster heavy bomber, and was Britain's first pressurised airliner. Despite having a reasonably long range, customers saw the aircraft as little more than a pressurised DC-4 Skymaster, and few orders were forthcoming, important customers preferring to buy US aircraft.
Avro began work on the Type 688 Tudor in 1943, following Specification 29/43 for a commercial adaptation of the Lancaster IV bomber, which was later renamed Lincoln. The specification was based on recommendations of the Brabazon Committee, which issued specifications for nine types of commercial aircraft for postwar use.
Avro first proposed to build the Avro 687 (Avro XX), which was a Lincoln bomber with a new circular section pressurized fuselage and a large single fin and rudder in place of the predecessor's double ones. During the design stage, the idea of a simple conversion was...
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