Ingenuity in New Equipment
Page 41
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SIMPLE and convenient means for moving vehicles in confined spaces manual effort is provided by the new F. jacking skates. Two skates are cessary—one for each rear wheel. To raise a wheel clear of the ground, tw crutches are first placed in position der the tyre, and with a single move:tat of the lever the wheel is raised
d held off the ground.
As the skates are provided with ;tor wheels mounted on ball bearings,
e man can readily rnanceuvre a hick. The makers of these jacks are irvey Frost and Co., Ltd., Bishop's )rtford, Herts.
Among the new equipment avajlable im Jenks Brothers. Ltd., Britool 3rks, Bushbury, Wolverhampton, .kers of Britool products, are a torn wrench and sets of crowfoot ring inches and drives.
[he Splintorq rotary torque wrench is ;igned for use with both nuts and ews and some of the features claimed it are that it is easy to read, cannot !rtighten and, whilst light, is robust
construction. The wrench itself ighs 7i oz., and the heaviest of the
accessories which fit into it weighs I oz.
Where ordinary sockets or ring wrenches are found unsuitable the crowfoot type of ring wrench can often be employed with advantage. The i-in. or -in. square drive hole in the wrench is slightly offset to the hexagon, which makes it possible to set the wrench at eight different angles.
Where it is essential that the drive square and socket hexagon have to be in line, an ingenious adapter, with a normal 6-in, extension, is provided. These sets are most useful on their own, but in any event thew will increase the range of most socket sets.
On certain types of engine there is a marked tendency for exhaust valves to burn prematurely. This trouble can be reduced by treating the valve faces. The Farnborough Engineering Co.— Ltd.. Farnborough, Kent. are now producing a valve which, it is claimed, will greatly diminish the tendency to burning. It is known as the Tranco S.A.S. valve, its special feature being that it has an armoured seat. Tests with this valve have shown that it possesses a high degree of resistance to burning.