American-type Refuse Bodywork
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W/ITHIN the next two or three weeks, VI' W. W. Drinkwater (Willesden), Ltd., will take delivery of the first of a range of compression-type refuse bodies maratfactured in this country by the Powell Duffryn Engineering Co., Ltd., Maindy, Cardiff, under licence from Dempster Bros., U.S.A.
The body design is known as the Dumpmaster. It is square in crosssection, and has a five-stage hydraulic ram mounted on the front bulkhead. The ram pushes a pressure plate to the rear and compresses the refuse.
The Dumpmaster is' intended for servicing refuse containers or for house-tohouse collection. If desired, hydraulically operated overloader arms may be fitted to pick up containers from in front of the vehicle, lift them over the cab and discharge them into the body through an aperture in the front of the roof.
Drinkwater's vehicle will not have this loading apparatus. Bodies with actual volumes of 18 cu. yd., 24 Cu. yd. and 30 cu. yd. are available, giving refuse capacities of up to 60 cu. yd. at the conservative compression ratio of 2 to 1.
Powell Duffryn are also manufacturing the Dempster-Dumpster •hydraulic hoist. This is mounted at the rear of a conven
tional chassis to pick up and tip a range of bins and skips. A tilting fork-lift mechanism will be produced later.
A demountable body design known as the Dinosaur is another project. For this device a hydraulically tipped sub-frame is attached to the vehicle chassis. When the frame is tipped, the special body slides to the ground. This operation is assisted and controlled by a sliding block which engages with hooking points on the body.