Description   AVLVIS LEONIDES ENGINE PARTS MANUAL CD   502 - 503 SERIES FIST EDITION MARCH 1956  Aero Engine publication  ALL ON COMPUTER CD ,  FASCINATING DETAILED PAGES reference index, parts no.s nomenclature,schematic drawings, layouts breakdowns,parts, carburettors,cylinders,cranks,valves, pushrods, rocker arms, pipes, and much more  coverage of the  workings,detailed pictorial diagrams,original pictures and more.  Historic aviation preserved forever - several hundred rare pages Archived Document covering the famous aircraft Engine all captured onto CD pdf 100's MORE DOCUMENTS AND ORIGINAL PLANS OF THIS NATURE IN MY EBAY SHOP --------------------------------------------------------- Easy use on any computer, view the original detail - print fascinating images, Important note -  With old archives of this nature some loss/fading/appropriated ageing and or moderate quality maybe present in the transfer, this transfer is good quality scan. all images are perfectly serviceable.these images are remarkable for thier age, imagery from this era should not be compared with modern standards. All have historic relevance and are legible. This collation is a very rare detailed manual. inert passive reference only  all in easy use pdf image file for ALL computers        ARCHIVES ARE ON COMPUTER DISC MEDIA CD/DVD UNLESS STATED OTHERWISE THIS LIMITED PRODUCTION RUN IS WITH A PLAIN LABEL,  SEEING THIS MATERIAL NOW IS NOT JUST INTERESTING ITS CAPTIVATING Photo used in this template courtesy of the USAF.

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ARCHIVES ARE ON COMPUTER DISC MEDIA CD/DVD UNLESS STATED OTHERWISE

THIS LIMITED PRODUCTION RUN IS WITH A PLAIN LABEL, With old archives of this nature some loss/fading/appropriated ageing and or moderate quality maybe present in the transfer, this transfer is good quality scan. all images are perfectly serviceable Absolutely no Misappropriation can be laid at the this material in any shape or form. they are historically accurate no indemnity will apply for end use The accuracy or completeness of documents is not guaranteed they are historically accurate to produced date, These archived works are excellent reference material for researchers,authors,enthusiasts,historians. project modellers etc..

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The Leonides was a 9-cylinder, air-cooled single-row radial poppet-valve engine.

The prototype engine, called 9ARS and which weighed 693 lb and developed 450 hp, was run in December 1936. In 1938 Airspeed (1934) Ltd lent their test pilot, George Errington, and their much rebuilt Bristol Bulldog (K3183), to carry out test flights. Development was continued at a reduced pace during the Second World War and following testing in an Airspeed Oxford and an Airspeed Consul (VX587) Alvis was ready to market the engine in 1947 as the Series 500 (502, 503 and sub-types) for aeroplanes and Series 520 for helicopters. (Most helicopter engines were direct drive — no reduction gearbox — with a centrifugal clutch and fan cooling). The first production use was the Percival Prince, which flew in July 1948 and the Westland Sikorsky S-51 and Westland WS-51 Dragonfly helicopters. From 1959 the stroke was increased to 4.8 inches for the Series 530 (mainly the Mk. 531 for Twin Pioneers) rated at 640 hp. It was Britain’s last high-power production piston aero-engine when manufacture ceased in 1966.

 

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