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Some Ingenious Garage Equipment
Page 122
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TIURING a recent visit to the works
of Joseph Bradbury and Sons, Ltd., of Braintree, we were able to see in use a variety of interesting, devices for ascertaining castor and king-pin inclination, and for checking the alignment of the four wheels of a motor vehicle. We also examined some devices for ascertaining wheel camber and the alignment of the front axle, whilst there were in use some exceedingly sturdy jacks, some of which were capable of lifting a load of 10,000 lb. to a height of 3 ft. Sins.
The G.E. toe-in gauge consists of a telescopic tube which is placed between the front portions of the front wheels'; on each end of the tube is a point and a short chain, and each of the points is placed so that it touches the rim of the wheel, whilst the chain should just c64 reach the ground. When the vehicle is pushed forward slightly, the tube naturally passes backwards and the amount . of toe-in is registered on a gauge.
All the appliances‘ marketed by Joseph Bradbury and Sons, Ltd., are extremely simple in construction and operation, and little skill is required succesafully to use them. A particularly interesting addition to the company's range of garage equipment is a brake tester. The vehicle runs up a ramp and the front wheels pass an to two rollers, over which they travel and settle on two further rollers mounted
on a carriage. The vehicle is then driven onwards until the rear wheels come to rest' in the first set of krollers.
The movable carriage, which operates on rails, provides for a wide variety of wheelbases. When the vehicle is in position, the front carriage can be locked. The rollers are rotated by means of a handle against the resistance of the brakes and the results are indicated "on a .dial.
. D.uring our visit to the works we were able to see the brakes of a MorrisOxford' ear-tested in 1 min. 55 secs. by means of the new Bradbury device.