Leonides Collection

The first Scottish Aviation Pioneer, VL515, was re-engin?
The first Scottish Aviation Pioneer, VL515, was re-engined with a 520hp Alvis Leonides radial to become the first Pioneer II, G-AKBF

Percival P. 56 Mk. II G-23-1
Percival P.56 Mk.II G-23-1, 3rd prototype of the Percival Provost (later WG503), powered by the Alvis Leonides engine used in production aircraft, fitted with an early cowling form.. Date: 1950

Alvis Leonides Major 14-cylinder air-cooled radial engine, at the Historic Aircraft museum on Southend Airport. Date: circa 1978

Handley Page HPR. 7 Dart-Herald G-AODE prototype
Handley Page HPR.7 Dart-Herald G-AODE (msn 147) 1st prototype, moments before the starboard engine turbine blew up, causing the engine to fall off and the aircraft to catch fire

Westland WS. 55 Series 3 G-APDY
Westland WS.55 Series 3 G-APDY (msn WA/241), at the September 1962 SBAC Farnborough Air-Show. Built as the WS-55 Series 2 demonstrator

Westland-Sikorsky S. 55 Series 3 G-APDY
Westland-Sikorsky S.55 Series 3 G-APDY (msn WA.241). Westlands Gnome-Whirlwind demonstrator at the 1963 Biggin Hill International Air Fair

Queens Flight - Westland Whirlwind HCC. 8 XN127
Queens Flight - Westland Whirlwind HCC.8 XN127, VVIP transport for Royal transport tasks. One of two acquired for Queens Flight (XN127 and XN126)

Percival P. 56 Mk. II WG503
Percival P.56 Mk.II WG503, 3rd prototype of the Percival Provost, powered by the Alvis Leonides engine used in production aircraft. Date: 1950

Percival P. 56 Mark 2 G-23-1 (later WG503)
the Percival P.56 Mark 2 G-23-1 (later WG503), 3rd prototype of the Percival P.56 Provost and first Provost to be powered by an Alvis Leonides engine (hence the non-production engine cowling)

Airspeed AS65 Consul VX587
Airspeed AS65 Consul, VX587, was bought by the Ministry of Supply and fitted with Alvis Leonides radials

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"Leonides: A Journey through Aviation History" Step into the world of aviation pioneers with Leonides, a name that resonates with innovation and progress. From the first Scottish Aviation Pioneer, VL515, which underwent re-engineering to achieve new heights, to the Percival P. 56 Mk. II G-23-1 that pushed boundaries in its time. The Alvis Leonides Major engine became synonymous with power and reliability, propelling aircraft like the Handley Page HPR. 7 Dart-Herald G-AODE prototype towards success. And let's not forget about the Westland WS. 55 Series 3 G-APDY and Westland-Sikorsky S. 55 Series 3 G-APDY helicopters that showcased exceptional engineering prowess. In royal service, we find the Queens Flight - Westland Whirlwind HCC. 8 XN127 soaring through the skies with grace and elegance. But it doesn't end there; Leonides continued to make its mark on history with aircraft such as Percival P. 56 Mk. II WG503 and Airspeed AS65 Consul VX587. Throughout these milestones in aviation history, Leonides played an integral role in shaping our skies by providing engines renowned for their performance and dependability. Join us on this captivating journey through time as we celebrate Leonides' contributions to aviation excellence – a legacy that continues to inspire generations of aviators worldwide.