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A Clever Track-laying Conversion

19th May 1939, Page 53
19th May 1939
Page 53
Page 53, 19th May 1939 — A Clever Track-laying Conversion
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AMEANS for converting any four-wbeeled machine having twin rear wheels into a track-laving vehicle is found in the Lorrytrac, a device for which Fisher, Humphries and Co., Ltd., Atlas Works, Pershore, is responsible.

The Lorrytrac consists of an endless belt or track which is fitted around the wheels and encompasses a jockey pulley mounted forward of the rear wheels, The accompanying illustration clearly shows how this pulley is mounted. on outrigger supports secured to crossmembers beneath the body. Tension of the track is maintained by a powerful spring, secured to an extension of the jockey-pulley arm and carried back and anchored to a chassis cross-member. Simplicity is the outstanding feature of this device, which, we understand, has proved completely successful under test.

Further details and information may be obtained from the address-already given.