The impressive Armstrong Whitworth Ensign AW.27 series was made originally designed to a 1934 British government requirement for an air mail service transport to spearhead an improved method of correspondence to all points of the British Empire. The Armstrong Whitworth design was accepted and development proceeded, albeit at a interrupted pace thanks to the ever-changing requirements as put forth by Imperial Airways. Couple that with early engine reliability issues and the Ensign seems to have been doomed to failure. On the contrary, the system was recognized as a successful design and would see many years of usefulness in commercial and military ventures thanks to its stellar design.
Design of the Ensign was characterized by its smooth lines and high-wing mounting. The cockpit was situated at extreme forward offering up good views past the wings which were seated to the middle of the fuselage, far back from the cockpit. Oval-shaped windows dotted the fuselage sides while the fuselage bottom sagged from nose to tail tip. The main landing gear were housed in the wing roots and consisted of large donut type wheels consistent with large aircraft design of the times. Four engines were placed two to a wing in the leading wing edges and contoured nicely into the wing elements. The empennage was of a traditional layout complete with rounded fin edges. Crew accommodations amounted to five personnel that included the pilot, co-pilot, radio operator and - if needed - two cabin stewards for passenger flight. Depending on the required range, passenger seating numbers fell between 27 and 40 total personnel.
The AW.27 came in two dominant variants, categorized by the brand of engine fitted to each. The AW.27 Mk I was seen fitted with four Armstrong Siddeley Tiger IXC radial piston engines whilst the AW.27 Mk II model came with four Wright Cyclone GR-1820-G102A radial piston engines. Beyond that, both models were basically similar in design, layout and operation.
The AW.27 series served with the RAF in military service during the Second World War and also appeared in a single captured form with the Vichy French and later the Luftwaffe. With the RAF, the Ensign served with the No. 24 Squadron.
Status Retired, Out-of-Service
[ 14 Units ] : Armstrong Whitworth - UK
France (Vichy French); Nazi Germany; United Kingdom
- Commercial Market
114.17 ft (34.8 m)
123.03 ft (37.5 m)
23.03 ft (7.02 m)
(Showcased structural dimension values pertain to the Armstrong Whitworth AW.27 Ensign Mk I production model)
35,053 lb (15,900 kg)
55,556 lb (25,200 kg)
(Showcased weight values pertain to the Armstrong Whitworth AW.27 Ensign Mk I production model)
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