The Sunbeam Dyak 100 hp 6-cylinder inline engine, showing the starting handle at the rear. This allowed it to be started from the cockpit without the aid of ground crew.

Самолёты на фотографии: Aircrafts on the photo: Avro Avro 504 - ВеликобританияUnited Kingdom - 1913

QANTAS' first aircraft, the Dyak-powered Avro 504 G-AUBG. No registration is visible in the photo.

Самолёты на фотографии: Aircrafts on the photo: Avro Avro 504 - ВеликобританияUnited Kingdom - 1913

A Dyak-powered Avro 504 packed ready for transport from Sunbeam's Moorfield Works, 1919.

Самолёты на фотографии: Aircrafts on the photo: Avro Avro 504 - ВеликобританияUnited Kingdom - 1913

Sunbeam Dyak powered Avro 504 at Dunstall Park racecourse Wolverhampton in 1919, serial unknown.

Самолёты на фотографии: Aircrafts on the photo: Avro Avro 504 - ВеликобританияUnited Kingdom - 1913

The Boulton & Paul P.6 at Mousehold in 1919 when in use as the company's own transport and wearing the special marks X25 in a series allocated to private-venture experimental types.

Самолёты на фотографии: Aircrafts on the photo: Boulton Paul P.6 / P.9 - ВеликобританияUnited Kingdom - 1918

Lt. Long's prototype Boulton & Paul P.9 seen under construction at Norwich in 1919. The bulky RAF.1A V-8 engine is already mounted and the partly-rigged wings in place but the fuselage remains to be completed and the uncovered rudder and tailplane hang on the wall behind.

Самолёты на фотографии: Aircrafts on the photo: Boulton Paul P.6 / P.9 - ВеликобританияUnited Kingdom - 1918

One of Boulton & Paul's own P.9s. G-EAWS at Mousehold. Note the built-in suitcases clearly visible behind the cockpit. This particular aircraft participated in a number of air races during its eight-year career.

Самолёты на фотографии: Aircrafts on the photo: Boulton Paul P.6 / P.9 - ВеликобританияUnited Kingdom - 1918

The second P.9 to be built, G-EAPD, showing the difficult entry to the front cockpit through the 'N' struts supporting the upper wing and using the exhaust pipe as a step.

Самолёты на фотографии: Aircrafts on the photo: Boulton Paul P.6 / P.9 - ВеликобританияUnited Kingdom - 1918

Lt. Long (inset) and his P.9 in Tasmania having made the first aerial delivery of newspapers in Australia. The original caption reads "The aeroplane at Elwick ready to start for Launceston and intervening towns with 'The Mercury' newspaper. This was the first delivery of a newspaper by aeroplane in the Commonwealth" and refers to Lt. Long as "the aviator who has made a number of successful flights round Hobart".

Самолёты на фотографии: Aircrafts on the photo: Boulton Paul P.6 / P.9 - ВеликобританияUnited Kingdom - 1918

Lt. Long's then unregistered P.9 at Mousehold ready for delivery to Australia in 1919.

Самолёты на фотографии: Aircrafts on the photo: Boulton Paul P.6 / P.9 - ВеликобританияUnited Kingdom - 1918

A full scale model of the P.6 being built at the Boulton Paul Aircraft Heritage Project. Wolverhampton, including original wheels and propeller on loan from the Imperial War Museum.

Самолёты на фотографии: Aircrafts on the photo: Boulton Paul P.6 / P.9 - ВеликобританияUnited Kingdom - 1918