• Rapido Trains - 935002 - LNER Dynamometer Car no905202 Post 1946 OO Gauge - Chester Model Centre
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Rapido Trains - 935002 - LNER Dynamometer Car no905202 Post 1946 OO Gauge

Rapido Trains - 935002 - LNER Dynamometer Car no905202 Post 1946 OO Gauge

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Rapido Trains - UK 935002 - LNER Dynamometer Car no905202 Post 1946 OO Gauge

DESCRIPTION

No. 905202, post-1946 LNER teak with lining carrying its later number – No. 905202 – as seen during the famous 1948 Locomotive Interchange trials.

Rapido Trains UK is delighted to announce another run of the award-winning LNER Dynamometer Car No. 23591.

Best known as the vehicle that recorded the 126mph run of LNER ‘A4’ No. 4468 Mallard  on July 3 1938, the North Best known as the vehicle that recorded the 126mph run of LNER ‘A4’ No. 4468 Mallard  on July 3 1938, the North Eastern Railway’s test car, built at Darlington Works in 1906, is now on display at the National Railway Museum, where it has been reunited with Mallard.

A Dynamometer Car scientifically measures the performance of locomotives in order to effect improvements. Inside, instruments measure the speed, power and other statistics of locomotive performance, many of which were applied to a paper trace operated mechanically from the movement of the vehicle. The NER’s vehicle was also equipped with a drop-down bed hanging in the ceiling for operators to sleep in. It was also fitted with equipment to allow operators to speak to the driver. speak to the driver

No. 23591 passed into LNER ownership after the Grouping of 1923 where Chief Mechanical Engineer Sir Nigel Gresley used it extensively to test his new designs and modifications against established locomotives. It was even used behind the UK’s only steam-diesel hybrid locomotive!

The Dynamometer car and its paper trace recorded Mallard’s top speed of 126mph on Stoke Bank in 1938. The vehicle eventually passed into British Railway ownership and continued to be used for scientific testing including the famous 1948 Locomotive Exchange Trials. The Dynamometer Car is now preserved as part of the National Collection at the NRM in York.

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