File:Flickr - ronsaunders47 - VINCENT COMET. 500 CC SINGLE. (1).jpg

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The Vincent Comet was designed and built at the Vincent works in Great North Road, Stevenage, Hertfordshire UK. Developed from the Vincent Rapide by Australian engineer Phil Irving in 1935, it was one of four 499cc single models. As well as the sports Comet, Vincent produced a TT racing model, the Comet Special (a TT model with lights) and the standard Meteor which shared many of the same cycle parts..[1]

An unusual feature of the valve design for these motors was the double valve guides, and the attachment of the forked rocker arm to a shoulder between the guides, to eliminate side forces on the valve stem and ensure maximum valve life under racing conditions.

The prototype series A was refined and developed into a production model B but after World War II it was the development of the series C that represents the ultimate Vincent 500cc single. A series D was actually designed and one was built at the factory.[2] Others had to be subsequently made up from spare parts as Vincent production ceased in 1955.

Specifications

The 499 cc single cylinder high camshaft OHV, air cooled Vincent engine had a light alloy barrel with a cast iron liner was really 'half a Rapide', although it had the Black Shadow compression ratio (7.3:1) and the larger carburator. It did not have the polished internals of the Shadow nor was it selectively assembled. It had a Burman four speed gearbox and a 'backbone' type frame with the engine incorporated into the frame. All the The Comet line had both front (Girdraulic) and rear suspension when most manufacturers had only front suspension
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Source VINCENT COMET. 500 CC SINGLE.
Author Ronald Saunders from Warrington, UK

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This image was originally posted to Flickr by ronsaunders47 at https://www.flickr.com/photos/46781500@N00/3533490998. It was reviewed on 26 October 2012 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

26 October 2012

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current08:12, 26 October 2012Thumbnail for version as of 08:12, 26 October 20121,026 × 770 (275 KB)Matanya (talk | contribs)== {{int:filedesc}} == {{Information |Description=The Vincent Comet was designed and built at the Vincent works in Great North Road, Stevenage, Hertfordshire UK. Developed from the Vincent Rapide by Australian engineer Phil Irving in 1935, it was one o...

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