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- Dreadnaught_wheel abstract "A dreadnaught wheel is a wheel with articulated rails attached at the rim to provide a firm footing for the wheel to roll over, they have also been known as endless railway wheels when fitted to road locomotives, and were commonly fitted to steam traction engines.Prior to wide adoption of continuous track on vehicles, traction engines were cumbersome and not suited to crossing soft ground or the rough roads and farm tracks of the time. The "endless rails" were flat boards or steel plates loosely attached around the outer circumference of the wheel which spread the weight of the vehicle over a larger surface and hence were less likely to get bogged by sinking into soft ground or skidding on slippery tracks.Some references also use the term pedrail, but the pedrail wheel of 1903 is a more complex arrangement that incorporates internal springing. Bottrill referred to the rails as "ped-rail shoes".An early version was patented by James Boydell in August 1846 and February 1854.Boydell worked with the British steam traction engine manufacturer Charles Burrell & Sons to produce road haulage engines from 1856 that used his continuous track design. Burrell later patented refinements of Boydell's design.Boydell's design saw service with the British Army in the Crimean War where it was known as "The Megatherium war horse".An Australian blacksmith and engineer, Frank Bottrill (1871-1953), after a failed endeavour using wheeled traction engines in outback Australia, and becoming aware of the Boydell wheel, decided to improve the design. In 1907 he patented an "improved road wheel for travelling, useful for traction engines". Bottrill's design used two rows of overlapping rails fastened to the rim with cables to smooth the transition from rail to rail.Eventually Bottrill, in association with A. H. MacDonald & Co. of Richmond Melbourne, began producing steam and oil-based tractors fitted with his wheels. The most famous was known as "Big Lizzie" built in 1915 with a wheel diameter of 7' 2" (2.2m). At 34 feet (10.4m) long and 45 tons (46 tonnes); with two dreadnought wheeled trailers, it was capable of carrying a total of 80 tons (81 Tonnes) and effectively making its own roads.".
- Dreadnaught_wheel thumbnail Big_Lizzie_Red_Cliffs_Victoria.jpg?width=300.
- Dreadnaught_wheel wikiPageExternalLink v=onepage&q=dreadnaught%20wheel&f=false.
- Dreadnaught_wheel wikiPageExternalLink 9-James-Boydell-System-during-Crimean-War.jpg.
- Dreadnaught_wheel wikiPageExternalLink BigLizzie.html.
- Dreadnaught_wheel wikiPageExternalLink s870182.htm.
- Dreadnaught_wheel wikiPageExternalLink Im1862EnV13-p284.jpg.
- Dreadnaught_wheel wikiPageExternalLink 13777.jpg.
- Dreadnaught_wheel wikiPageExternalLink 14492.jpg.
- Dreadnaught_wheel wikiPageID "38475317".
- Dreadnaught_wheel wikiPageLength "7026".
- Dreadnaught_wheel wikiPageOutDegree "18".
- Dreadnaught_wheel wikiPageRevisionID "682194898".
- Dreadnaught_wheel wikiPageWikiLink Australia.
- Dreadnaught_wheel wikiPageWikiLink British_Army.
- Dreadnaught_wheel wikiPageWikiLink Category:Tracked_vehicles.
- Dreadnaught_wheel wikiPageWikiLink Charles_Burrell_&_Sons.
- Dreadnaught_wheel wikiPageWikiLink Circumference.
- Dreadnaught_wheel wikiPageWikiLink Continuous_track.
- Dreadnaught_wheel wikiPageWikiLink Crimean_War.
- Dreadnaught_wheel wikiPageWikiLink Frank_Bottrill.
- Dreadnaught_wheel wikiPageWikiLink James_Boydell.
- Dreadnaught_wheel wikiPageWikiLink Melbourne.
- Dreadnaught_wheel wikiPageWikiLink Outback.
- Dreadnaught_wheel wikiPageWikiLink Pedrail_wheel.
- Dreadnaught_wheel wikiPageWikiLink Traction_engine.
- Dreadnaught_wheel wikiPageWikiLink Traction_engines.
- Dreadnaught_wheel wikiPageWikiLink Tractor.
- Dreadnaught_wheel wikiPageWikiLink Tractors.
- Dreadnaught_wheel wikiPageWikiLink Wheel.
- Dreadnaught_wheel wikiPageWikiLink File:Big_Lizzie_Red_Cliffs_Victoria.jpg.
- Dreadnaught_wheel wikiPageWikiLinkText "Dreadnaught wheel".
- Dreadnaught_wheel wikiPageWikiLinkText "dreadnaught wheel".
- Dreadnaught_wheel hasPhotoCollection Dreadnaught_wheel.
- Dreadnaught_wheel wikiPageUsesTemplate Template:Reflist.
- Dreadnaught_wheel subject Category:Tracked_vehicles.
- Dreadnaught_wheel hypernym Wheel.
- Dreadnaught_wheel type MeanOfTransportation.
- Dreadnaught_wheel comment "A dreadnaught wheel is a wheel with articulated rails attached at the rim to provide a firm footing for the wheel to roll over, they have also been known as endless railway wheels when fitted to road locomotives, and were commonly fitted to steam traction engines.Prior to wide adoption of continuous track on vehicles, traction engines were cumbersome and not suited to crossing soft ground or the rough roads and farm tracks of the time.".
- Dreadnaught_wheel label "Dreadnaught wheel".
- Dreadnaught_wheel sameAs m.0r8ldf4.
- Dreadnaught_wheel sameAs Q18352583.
- Dreadnaught_wheel sameAs Q18352583.
- Dreadnaught_wheel wasDerivedFrom Dreadnaught_wheel?oldid=682194898.
- Dreadnaught_wheel depiction Big_Lizzie_Red_Cliffs_Victoria.jpg.
- Dreadnaught_wheel isPrimaryTopicOf Dreadnaught_wheel.