Field Vehicles at Radio Show
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'HE latest types of military vehicle equipped for servicing electrical and ;Ironic apparatus in the field are on play at the Radio Show, Earls art, London. The Show closes on 'tern bet 4.
in Austin 1-ton telecommunications air vehicle has equipment that is not in general use. It is fed from 250 v. ns supply, and there is a pair of isure switches which, for black-out poses, cut off the interior lighting al the rear door is opened.
Commer 3-ton outfit has a small ipartment in which the alignment of ivers and transmitters may be :ked. To prevent the reception of als which might upset this work, the partrnent is screened with expanded
here is also an impressive White:ules half-track vehicle, with a sixidered 70 b.h.p. engine, used for ind-air communication. It has three imitter-receivers, one for speaking ircraft, one for liaison with troops :lion and the other for a link with lquarters.
. the rear is a massive 12v. battery 00-amp.-hr. capacity. The engine in outsize dynamo and there are )ther 300-watt petrol generators on the wings. A roller may be attached to the front bumper when difficult Country has to be crossed.. "
The R.A.F, show a team of three vehicles for aircraft flight control at airfields where static facilities are absent. They are Thames outfits, one of which carries a Newage 25kVA. generator. The other vehicles are a receiver and a transmitter respectively.
A maehine for detecting tyre flaws by ultrasonics is shown by the G.E.C. and Dunlop companies. Ultrasonic vibrations will not pass through air and if there is a cavity in a cover, caused by the fracture of plies, meters on the instrument flicker and red lights illuminate. Flaws are revealed which coUld not be traced by X-rays and the machine, which will sell at about £1,000, is of particular value for testing giant tyres sent in for retreading, besides production batch-testing.
A compact new Ecko radio set for vehicles has three tuning drums on each of which a station can be selected. Final selection is by a three-position switch which is turned to numbers corresponding to the drums. The set is available in 6v. and 12v. versions. Outnut is sufficient for four loudspeakers.