Air-Sprung Leopards for Ribble
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TWENTY Leopard coach chassis with leaf-air suspension at front and rear are at present in production at Leyland
• Motors, Ltd. They have been ordered by Ribble Motor Services, Ltd., and are being equipped with 32-seat luxury coach • bodies by Thomas Harrington, Ltd., Hove, Sussex.
The frontand rear-suspension layouts are similar to those of the Leyland WorldmasIer exhibited •at the Brussels Motor Show last month. Two doubleconvolution bellows are employed at the front axle, with four similar units at the rear axle, additional volume for the rear springs being provided by twin tanks slung from beneath the rear frame extension. There are two surge tanks for the front springs also, these being located beneath the driver's platform.
Two levelling valves are used at the rear, with a single valve at the front and, as is usual with this type of installation, the leaf springs have a considerably lower rate than those units fitted when auxiliary air springs are not incorporated.