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Lorry Mounted Crane - Ian Henwood
Ian had driven through the night from Aberdeen to be present, showed a magnificent model of a lorry-mounted crane, to approx. 1:10 scale, with telescopic jib.
The lorry part comprised a multi-wheeled chassis typical of heavy mobile cranes, but the centre of interest was the crane itself, with 4 telescoping sections.
The cross-sections of each part were 3.5"x3.S"; 3“x3“; 2.5"x 2.5"; and 2"x 2" Each part was retained inside the outer section by means of carefully located plastic pulleys.
A screw mechanism luffed the jib, and 3 motors looked after all the crane motions.
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