Electronics in Recording Wheel Loads
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NEW wheel-load classifying and recording equipment -developed for the Road Research Laboratory operates so quickly that the individual wheel loads of a -tandemi bogie on a typical sixvdieelcr can easily be registered at speeds of up to 60' m.p.h. The minimum permissible separation between successive loads is only 25 milliseconds.
The equipment, 'developed by the M.E.L. Equipment Co. Ltd. principally for dealing with heavy commercial vehicles, has resistancestrain-gauge load cells in the weighbridge as -on previous R.R.L. recording devices but differs in having electronic registration and sorting of loads. As well as being .quicker, it is also said to be easier to operate in the
The load of each wheel is automatically registered and sorted into 10
d fferent Classes Spanning 2,000 lb. between 0 and 20,000 lb., and at regular pre-set intervals the number of loads in each class is printed Ott a paper roll. The new equipment, which may be Felt operating unattended for up to a week. can be used with batteries or a mains