" Bumpometer " for Hampshire
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'T'HE first local authority in Britain to receive an I American-designed bump integrator, Hampshire County Council,is Using this machine in corlionCiion With a Comrner +-ton van .as a travelling road-testing laboratory. The bump integrator was delivered through the Road Research Labora:ories, and is known to members of the department ,is the " Bumpometer."
Towed behind the Commer, the machine measures undulations in road surfaces. Stringent requirements were laid down with regard to the towing vehicle, including the need for an engine of at least 1.5 litres capacity, rear doors which allow the machine to be, kept in view the whole time, and adequate body space for the stowage of recording instruments and other equipment.
The Commer is powered by a Perkins Four 99 L6-litre 43-b.h.p. oil engine. and this.has been found entirely adequate to maintain the mean speeds necessary to give accurate readings.