WTT weighbridge test truck
WTT 27 photo courtesy of Peter J. Vincent.
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Weighbridge test trucks were periodically used to test the accuracy of rail weighbridges. With later WTT's An empty WTT was weighed on the "Master Scales" at Newport and then precise amounts of weight was added as required, earlier designs could not have weight added so they were simply weighed and then stencilled with the total weight..
Although there were 30 WTT's there was never 30 in service at the same time. Later numbers were conversions from earlier WTT's presumeably when their underframes had expired. Some parts of WTT's were from 4 wheel steam loco tenders. |
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