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Charrold designs frameless bulk trailer
Page 43
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II A frameless, gravity-discharge bulk :emi-trailer has been produced by Charrold _td, Huntingdon, and has been supplied to )au1s and Sandars Ltd, Grantham maltsters.
The 32ft-long body has an unladen weight of nearly 6 tons. It is constructed "rom aluminium alloy snap-lock extruded ect.ions, has a smooth interior and is fitted with a totally enclosed catwalk roof with 'our weatherproof loading hatches. The me-piece alloy roof sheet is riveted outside .he load area to keep the cargo dry.
The trailer capacity is 1400 cu ft, 20 :ons when operated at 32 tons gew with a :ypical tractive unit.
Two gravity outlets, one at the centre Ind the other at the rear, are fitted with -nanually operated sliding doors. A 10in.
wide chain scraper conveyor is fitted so that the complete load can be discharged through the rear opening when centre outlet unloading is impossible.
The variable speed conveyor is hydraulically driven from a petrol-engine-powered pump unit located in a front compartment fitted with a roller shutter door, Maximum discharge rate is approximately 40 tons per hour.
The trailer is fitted with Rubery Owen tandem-axle running gear assembly with
20,0001b capacity axles, x 7in. Scam brakes with three-line air operation, and 9.00 x 20 14-ply tyres on 10-stud wheels. Landing gear is two-speed Davies Magnet.