Sopwith Cuckoo
| T.1 Cuckoo | |
|---|---|
 |
|
| T.1 Cuckoo | |
| Role | Torpedo bomber |
| National origin | United Kingdom |
| Manufacturer | Sopwith Aviation Company |
| First flight | June 1917 |
| Introduction | 1918 |
| Retired | 1923 |
| Primary user | Royal Air Force |
| Number built | 232 |
The Sopwith T.1 Cuckoo was a British biplane torpedo bomber used by the Royal Naval Air Service (RNAS), and its successor organization, the Royal Air Force (RAF). The T.1 was the first landplane specifically designed for carrier operations, but it was completed too late for service in the First World War. After the Armistice, the T.1 was named the Cuckoo.
In October 1916, Commodore Murray Sueter, the Air Department's Superintendent of Aircraft Construction, solicited Sopwith for a single-seat aircraft capable of carrying a 1,000 lb torpedo and sufficient fuel to provide an endurance of four hours. The resulting aircraft, designated T.1 by Sopwith, was a large, three-bay biplane. Because the T.1 was designed to operate from carrier decks, its wings were hinged to fold backwards. The T.1 could take off from a carrier deck in four seconds, but it was not capable of making a carrier landing and no arresting gear was fitted. A split-axle undercarriage allowed the aircraft to carry a 1,000 lb Mk. IX torpedo beneath the fuselage.
The prototype T.1 first flew in June 1917, powered by a 200 hp Hispano-Suiza 8Ba engine. Official trials commenced in July 1917 and the Admiralty issued production orders for 100 aircraft in August. Contractors Fairfield Engineering and Pegler & Company had no experience as aircraft manufacturers, however, resulting in substantial production delays. Moreover, the S.E.5a had priority for the limited supplies of the Hispano-Suiza 8. Redesign of the T.1 airframe to accommodate the heavier Sunbeam Arab incurred further delays.
In February 1918, the Admiralty issued a production order to Blackburn Aircraft, an experienced aircraft manufacturer. Blackburn delivered its first T.1 in May 1918. The aircraft immediately experienced undercarriage and tailskid failures, requiring redesign of those components. The T.1 also required an enlarged rudder and offset vertical stabilizer to combat its tendency to swing to the right. Fairfield and Pegler finally began production in August and October, respectively.
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