PORTABLE CRANE ON A CHAIN-TRACK TRACTOR
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WHEN ingenuity is brought into play, uses can often be found for the apparently unusable, and, because one of the aftermaths of war must be the existence of much that is seeming junk, ingenuity has in recent. years had ninny opportunities of showing of what it is capable. We were particularly interested recently when we were spending a few pleasant hours among the machinery and plant in the works of the Robinhoo'd Engineering Works Ltd., at Bobinhood Vale, between Pansy and Kingston, where the famous K.L.G. sparking plugs are made, to see a; crane : mounted upon a chain track machine being put to good use in the yards.
Mr. Kenelm Lee Guinness told us that he had purchased it from the War Stock Disposal Board and had, had the derrick erected upon it with a double set of blocks and falls for the handling of building materials. It had been decided by the directors to erect a power house andinstall their own power -supply at the Rohinhood factory, and the chain track crane has done some very useful work in transporting several tons of brick and other building materials across fields to the building site. Theweight, of the power unit and of the driver is all disposed at the rear, as the forward position of the vehicle is a platform uplin which stores were origin. ally to have been transported. Extra 'weights are secured aft in order to counterbalance the •weights of the ma tennis lifted by the blocks and falls and in order that the rear ends of the chain tracks should not be robbed of their adhesion. Ingenuity is shown, too, in the way in which an extra amount of lift is secured. A pile of logs is built, up on a slope to the extent of four feet, and the tractor is driven up this, so lifting the load by that extra amount. This has been of considerable service during the. building operations, and Mn. Guinness has no reason to regrethis purchase.