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A Bissell or Bissel truck (also Bissel bogie or pony truck) is a single-axle bogie which pivots towards the centre of a steam locomotive to enable it to negotiate curves more easily. Invented in 1857 by Levi Bissell [ de ] [ 1 ] and usually then known as a pony truck , it is a very simple and common means of designing a carrying wheel .
The LNWR 317 class, (also known as Saddle Tank Shunter, Dock Tank or Bissel Tank) consisted of a class of 20 square saddle-tanked steam locomotives built by the London and North Western Railway at their Crewe Works between 1896 and 1901. They had a very short coupled wheelbase, with a trailing Bissel truck to carry weight.
They had carrying wheels at both ends, in Bissel trucks of "Est" type allowing lateral movement of ±90 mm. Only the driving wheels were braked. In the 1920s these locomotives were fitted for push-pull operation. This equipment has been removed from the preserved locomotives.
The bogie is a type of pony truck and was named after the locomotive firm of Krauss and the engineer, Richard von Helmholtz. By contrast a Bissel bogie is independently installed in the frame, and sideways guidance of the locomotive is achieved by elastic forces. The distribution of these forces is not tightly defined and, in addition, they are ...
In the past, many different types of bogie (truck) have been used under tramcars (e.g. Brill, Peckham, maximum traction). A maximum traction truck has one driving axle with large wheels and one nondriving axle with smaller wheels. The bogie pivot is located off-centre, so more than half the weight rests on the driving axle.
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The Time Tunnel is an American color science-fiction television series written around a theme of time travel adventure; it starred James Darren and Robert Colbert.The show was creator-producer Irwin Allen's third science-fiction television series and was released by 20th Century Fox Television and broadcast on ABC.