G-EBHA, the demonstrator Grebe, was powered by a 385 h.p. Jaguar IIIA radial engine and is seen making its public debut at the 1923 RAF Air Pageant at Hendon. In 1926 it was rebuilt and re-engined with a 425 h.p. Jupiter IV.

Самолёты на фотографии: Aircrafts on the photo: Gloster Grebe - ВеликобританияUnited Kingdom - 1923

The Grouse I, powered by a modified 230 h.p. Bentley B.R.2 rotary engine, with the front cockpit faired over for early test flights. The Grouse was later fitted with a 350 h.p. Jaguar II radial engine.

Самолёты на фотографии: Aircrafts on the photo: Gloster Grouse - ВеликобританияUnited Kingdom - 1923

Another view of the Gloster I racing seaplane, J7234. After serving as a trainer with the High Speed Flight it was scrapped in April 1930.

Самолёты на фотографии: Aircrafts on the photo: Gloster I - III - ВеликобританияUnited Kingdom - 1923

The Mars I/Bamel after modification and redesignation as the Gloster I, fitted with floats and serving the RAF as J7234.

Самолёты на фотографии: Aircrafts on the photo: Gloster I - III - ВеликобританияUnited Kingdom - 1923

The Gloster Bamel photographed at the last Aerial Derby, staged at Croydon on August 6, 1923.

Самолёты на фотографии: Aircrafts on the photo: Gloster I - III - ВеликобританияUnited Kingdom - 1923

The Winner of the Aerial Derby: The Mars I. Three-quarter front view. Note the position of the petrol tank on top of the fuselage, in front of the pilot's seat.
Gloster Bamel G-EAXZ at Hendon on July 16, 1921, about to compete in the Aerial Derby, which it won with an average speed of 163-3 m.p.h. The name Bamel was chosen by Folland before the aircraft was completed; “it was a cross between a bear and a camel, because the machine was nothing like a camel and the back part was not yet finished!"

Самолёты на фотографии: Aircrafts on the photo: Gloster Mars (Bamel) / Nighthawk / Sparrowhawk - ВеликобританияUnited Kingdom - 1921

J. H. James landing the Gloster Mars I/Bamel G-EAXZ at Croydon on August 7, 1922 after winning the Seventh Aerial Derby at an average speed of 178 m.p.h.

Самолёты на фотографии: Aircrafts on the photo: Gloster Mars (Bamel) / Nighthawk / Sparrowhawk - ВеликобританияUnited Kingdom - 1921

The Gloucestershire "Mars III" is very similar to the "Mars II," but is a two-seater intended for intermediate training, being fitted with dual control.
Gloster Sparrowhawk II JN401, one of ten built for the Imperial Navy of Japan as a two-seat dual control trainer. It was powered by a 230 h.p. Bentley B.R.2 rotary engine.

Самолёты на фотографии: Aircrafts on the photo: Gloster Mars (Bamel) / Nighthawk / Sparrowhawk - ВеликобританияUnited Kingdom - 1921

The Gloster Bamel photographed at Etampes, France in October 1922, where it competed in the Coupe Deutsch de la Meurthe.

Самолёты на фотографии: Aircrafts on the photo: Gloster Mars (Bamel) / Nighthawk / Sparrowhawk - ВеликобританияUnited Kingdom - 1921

This standard production Nieuport Nighthawk represents the type upon which Folland based his early racing biplanes.

Самолёты на фотографии: Aircrafts on the photo: Nieuport & General Nighthawk - ВеликобританияUnited Kingdom - 1918

Nieuport Nighthawk racer K151 was flown in the 1919 Aerial Derby.

Самолёты на фотографии: Aircrafts on the photo: Nieuport & General Nighthawk - ВеликобританияUnited Kingdom - 1918