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- Bristol_MW abstract "The Bristol MW (MW stands for \"Medium Weight\") is a bus and coach chassis. designed and built between 1956 and 1964 by Bristol Commercial Vehicles Ltd (BCV) at Brislington, Bristol.It had a horizontally mounted engine under the floor between the two axles allowing an entrance ahead of the front axle and a flat floor for its entire length and thus suitable for \"one-man\" operation. The chassis then had a body mounted upon it by a bodybuilder, either a bus body or a coach body. The MW replaced the earlier LS (Light Saloon) which was designed to be built into an integral bus or coach only by sister company Eastern Coachworks Ltd (ECW) based in Lowestoft. This prevented the sale of the mechanical underframe to other bodybuilders when a change in control of the company allowed this to happen. A few chassis were sent to Alexander at Falkirk to receive bodies to the specification of companies within the Scottish Bus Group.Unlike the earlier LS, which experimentally housed AEC and Rootes TS3 engines and the later RE experimentally using a horizontal and turbocharged version of Bristol’s own BVW engine, all MW chassis were fitted with Gardner 5HLW (5-cylinder) or 6HLW (6-cylinder) engines. The chassis type designation was either MW5G or MW6G. These engines were deep in their horizontal form causing the floor height of the finished vehicle to be high, resulting in steep steps at the entrance. The transmission was by way of a manual 5-forward speed gearbox made by the company. It incorporated synchromesh cones, but these did not wear well and gear changing still required drivers to adjust engine to road speed. The rear axle was available in three ratios 5:1, 5.5:1 and 6:1. 5.5:1 was by far the most popular and 6:1 was the standard for bus versions built for Bristol Omnibus Company Ltd.The vehicle was built to the contemporaneous legal maximum limits of size, namely 8 ft wide (2.4 m) and 30 ft long (9.1 m). When regulations allowed longer (36 ft or 11 m) and wider (8 ft 2 1⁄2 in or 2.5 m) vehicles, BCV did not extend this chassis and moved to a new concept with a rear engine. Despite this, as late as 1962, an option was designed to incorporate major modifications to the chassis to fit air springs instead of the traditional multi-leaf springs. The air sprung version was popular for chassis intended for coach bodywork, just before the 36 ft model for fitment to the RE chassis. Few customers specified air springs for bus versions. Bristol Omnibus Company was the main one and it was on the basis that the better suspension caused less stress and damage to the chassis and bodywork and reduced lifetime costs of operating the vehicles would outweigh higher initial purchase price. Their chief engineer at the time, Mr E Hardy, was sorely displeased when the option was withdrawn for the last year of production.There were some options for this chassis introduced later in production to improve fuel consumption and vehicle heating. This included the replacement of the underfloor radiator and its constantly engine driven fan by a front mounted radiator with \"Varivane\" wax capsule operated radiator shutters backed up with a thermostatically controlled electric fan. The provision of an \"exhaust-boiler\" was also available. This had a temperature controlled valve which could divert the exhaust gas from the exhaust pipe through a heat exchanger incorporated into the engine cooling system, thus allowing quicker heating up to engine operating temperature and assisting passenger comfort in colder weather when the engine was not providing enough waste heat in the normal way.In overall, a total of 1,965 Bristol MW chassis were built. Those with bodywork fitted by ECW were driven by road by a weather-swept crew of drivers. Rail transport was used for those going to Alexander.".
- Bristol_MW thumbnail Bristol_Greyhound_FHW_154D_2.JPG?width=300.
- Bristol_MW wikiPageID "26638525".
- Bristol_MW wikiPageLength "7235".
- Bristol_MW wikiPageOutDegree "15".
- Bristol_MW wikiPageRevisionID "612925047".
- Bristol_MW wikiPageWikiLink Bristol_Commercial_Vehicles.
- Bristol_MW wikiPageWikiLink Bristol_Omnibus_Company.
- Bristol_MW wikiPageWikiLink Bristol_RE.
- Bristol_MW wikiPageWikiLink Category:Bristol_buses.
- Bristol_MW wikiPageWikiLink Chassis.
- Bristol_MW wikiPageWikiLink Commer_TS3.
- Bristol_MW wikiPageWikiLink Eastern_Coach_Works.
- Bristol_MW wikiPageWikiLink L._Gardner_and_Sons.
- Bristol_MW wikiPageWikiLink List_of_buses.
- Bristol_MW wikiPageWikiLink Manual_transmission.
- Bristol_MW wikiPageWikiLink Operating_temperature.
- Bristol_MW wikiPageWikiLink Scottish_Bus_Group.
- Bristol_MW wikiPageWikiLink Walter_Alexander_Coachbuilders.
- Bristol_MW wikiPageWikiLink File:Bristol_Greyhound_FHW_154D_2.JPG.
- Bristol_MW wikiPageWikiLink File:Vintage_Bristol_Coach_Royal_Blue_766_MDV.jpg.
- Bristol_MW wikiPageWikiLinkText "Bristol MW".
- Bristol_MW wikiPageWikiLinkText "Bristol MW6G".
- Bristol_MW wikiPageWikiLinkText "MW".
- Bristol_MW wikiPageUsesTemplate Template:Cite_book.
- Bristol_MW wikiPageUsesTemplate Template:Commons_category.
- Bristol_MW wikiPageUsesTemplate Template:Convert.
- Bristol_MW wikiPageUsesTemplate Template:Frac.
- Bristol_MW wikiPageUsesTemplate Template:Portal.
- Bristol_MW wikiPageUsesTemplate Template:Reflist.
- Bristol_MW subject Category:Bristol_buses.
- Bristol_MW hypernym Bus.
- Bristol_MW type Automobile.
- Bristol_MW type Redirect.
- Bristol_MW type Vehicle.
- Bristol_MW comment "The Bristol MW (MW stands for \"Medium Weight\") is a bus and coach chassis. designed and built between 1956 and 1964 by Bristol Commercial Vehicles Ltd (BCV) at Brislington, Bristol.It had a horizontally mounted engine under the floor between the two axles allowing an entrance ahead of the front axle and a flat floor for its entire length and thus suitable for \"one-man\" operation. The chassis then had a body mounted upon it by a bodybuilder, either a bus body or a coach body.".
- Bristol_MW label "Bristol MW".
- Bristol_MW sameAs Q917956.
- Bristol_MW sameAs Bristol_MW.
- Bristol_MW sameAs m.0bh7tpc.
- Bristol_MW sameAs Q917956.
- Bristol_MW wasDerivedFrom Bristol_MW?oldid=612925047.
- Bristol_MW depiction Bristol_Greyhound_FHW_154D_2.JPG.
- Bristol_MW isPrimaryTopicOf Bristol_MW.