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Renault.

3rd November 1925
Page 29
Page 29, 3rd November 1925 — Renault.
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Which of the following most accurately describes the problem?

A s is usuallY the case, the Renault

stand carries a very large number of commercial vehicles of all types and sizes. Starting with the largest, this is a 24.8 h.p. four-cylinder type, appearing as a 26-seater bus, as a 5-ton tipper, and as two stripped chassis, all of somewhat different types. The engine is the same in each case, having a bore and stroke of 160 mm. and 160 mm. respectively, side-by-side valves, and in general a conventional lay-out.

• One of the stripped chassis is known as the M.U. type, has a forward dash, a frame extension at the rear to carry a platform, and is intended foe carrying single-deck or double-deck bus bodies. Of particular interest is the way in which the controls are arranged above the engine, the driver sitting at a high level about 10 ft. from the road. Following the usual Renault practice, vanes are formed on the periphery of the flywheel and draw air through radiators placed at each side of the driver's seat.

The transmission is of considerable interest, there being a gearbox secured to a short torque tube and suspended at three points, to which the drive is conveyed by a short shaft from the clutch, and which in turn transmits the drive to a propeller shaft leading to the spiralbevel back axle. The gearbox, with its short torque-tube unit, is, therefore, mounted in such a way as to be independent of frame distortion. The back axle is a massive job, built up of separate units.

Four-wheel brakes are fitted, those at the front being of the Perrot type, and a servo motor is used to operate the braking system, this being mounted alongside the gearbox. The clutch unit of the servo motor communicates with the operating .gear through a short length of chain, attached in such a way that,' whether the clutch moves clockwise or anti-clockwise, the pull will be exerted on the chain; in other words, the brakes are equally effective for the for

weed an reverse ranning. An interesting detail is that the hand-brake lever is cranked over at right ankles, affording an excellent dip. This powerful chassis is mounted on semi-elliptic springs and pneumatic tyres. • The other 24.8 h.p. stripped chassis shown is known as the MA% type, and differs from the one we have just described in that the dash is in the usual position behind the engine, but the mechanical parts are arranged on much the same plan.

Mounted on the same type of chassis Is a 26-seater bus, attractively painted blue, with jet-black trimmings. The seats are arranged at each side of a central gangway, and the body is of the front-entrance type, with an emergency door at the rear.

Then there is the 24.8 h.p. 5-tan tipper, also with four-wheel servo-operated brakes, the tipping gear being operated hydraulically. This chassis is massively constructed and carries a pair of arches, on which run rollers fitted to a crosshead operated by the arm of the horizontal hydraulic cylinder. These rollers also work against curved ramps secured to the underside of the tipping body.

Only one example of the 17.9 h.p. four-cylinder Renault is ahowu, this being a 20-seater char-6.-bancs, with servo-operated four-wheel brakes of a similar pattern to those fitted to the large chamsis.

The 13.9 h.p. chassis is represented by no fewer than four exhibits, these being a tradesman's van, a 1-ton baker's van, a fire-engine fitted with a 200-250gallon multi-centrifugal pump, and a trailer pump unit fitted with a 13.9 h.p. engine. In each ease the engine has a bore and stroke of 75 mm. and 120 mm. respectively, and front-wheel brakes are fitted to the three four-wheeled vehicles Of this type shown.

Lastly, there is a very attractive 8.3 h.p. four-cylinder boxvan, with a loading capacity of 5 cwt., this also being fitted with four-wheel brakes. Certain attractive characteristics are found on all the Renault vehicles exhibited, the most obvious of which is, of course, the sloping bonnet.

Renault, Ltd., Seagrave Works, West Brompton, London, S.W.6.

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Locations: London

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