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What does Super 80 or Super 110 refer to on Scania lorries?

5th November 1971
Page 57
Page 57, 5th November 1971 — What does Super 80 or Super 110 refer to on Scania lorries?
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Which of the following most accurately describes the problem?

What type of transmission did the prewar Leyland gearless bus have?

What type of engine was the Leyland aircell engine which was offered as an alternative to the prewar petrol engine fitted to the Leyland Hub and Lynx vehicles?

How did Fodens come to develop a twostroke engine and were the designs based on the American G MC ?

Have Vauxhall Motors ever offered as an option in their passenger or goods chassis the G MC two-stroke diesel engine?

Who were the original designers of the Chrysler-Routes TS3 engine and is this the only engine of its type used for commercial vehicles?

When and why was the TS3 passenger chassis discontinued?

A Applied to a Scania vehicle, Super 80

indicates that it is powered by a 7.8litre turbocharged diesel developing 202 bhp net, and Super 110 is a designation used in the case of a vehicle having an 11-litre turbocharged diesel with an output of 275 bhp.

Super 80 and Super 110 are not type numbers. In every case the type number indicates the vehicle category. Thus the Scania LB80 S50 is a 16-ton-gross fourwheeler powered by the 202 turbocharged unit. And the LBS110 542 is a 38-ton-gross six-wheeler equipped with the 11-litre turbocharged diesel.

The prewar Leyland gearless bus was equipped with a combined fluid flywheel and torque convertor and had no gearbox. apart from a manually operated reverse gear. It operated satisfactorily but had a high fuel consumption.

The Leyland aircell engine was a diesel with a combustion chamber formed by two cavities, one in the cylinder head and one in the piston. It was said to combine the advantages of direct and indirect chambers.

The Foden two-stroke engine is based on principles of operation that can be regarded as "conventional" in application to twostrokes of the poppet-valve type in the way that the majority of four-stroke diesels are based on the same operational concept. It would be incorrect to say, therefore, that a particular engine of this type is a "copy" of a unit produced by another maker, A two-stroke diesel has power-to-weight advantages over a typical naturally-aspirated four-stroke which is at least one good reason why an engine maker should develop such a unit.

At the time of writing the GMC twostroke has not been offered as an optional power unit by Vauxhall Motors.

The 153 two-stroke diesel engine was developed by Commer. A Rolls-Royce opposed-piston diesel of the same basic type is employed as a military tank engine and was applied experimentally to a rearengined road tanker some years ago.

After 1963, Commer concentrated on the production of "light busesand ceased using the TS3 two-stroke for passenger vehicles.

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