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Cummins’ latest generation of Holset turbochargers offer increased efficiency and output for on- and off-highway applications.

Two aspects of electric vehicle development in the UK are discussed; vehicle chassis, hardware and battery development and operational experience. Electric delivery vans of the one to two ton payload range in the Lucas and Chloride programmes are discussed. The improving prospects for molten sodium sulphur battery in large vans and buses is examined. The GLC ‘London Goes Electric’ scheme for placing up to 62 vehicles in service in Central London is covered in addition to the Electricity Council trial of 60 Enfield city cars.

Cummins has increased the power availability of its K Engine family of engines. The family of six, twelve and sixteen cylinder engines now develops maximum ratings of 650, 1350 and 1800 HP, respectively.

DHI has developed completely new six-cylinder K series engine for heavy-duty commercial vehicle as well as other industrial equipment. And DHI will produce it in the new kunsan engine plant. ...During the design stage, CAE technology played very important role, through detail analysis and optimization. The K series engine achieved low exhaust gaseous emission level of Euro 3 as well as good fuel consumption, noise level lower than 96 dB(A), and major overhaul period longer than 1.5 million km.

Good evening. It is a great pleasure to join you for this important Congress and Exposition. The Society of Automotive Engineers plays a key role in keeping America out in front in transportation technologies of all kinds. So I'm especially pleased that your theme this year centers on “Engineering innovation - The Worldwide Challenge.” That's exactly the situation the U.S. transportation industry faces today - and will continue to face well into the 21st century.

There are many sound reasons, both economic and mechanical, for using an automatic transmission if it has high efficiency. The G.K.N.-S.R.M. transmission links an epicyclic gear train with an unconventional converter blade system to change conditions of fluid flow and give a very high stall torque ratio. Hydraulic efficiencies in the converter stages are discussed and torque distribution in the system is analysed. Use is made of existing elements to give hydraulic braking at negligible additional cost. Simple modifications to the blade system allow accurate matching of the transmission to the engine while auxiliary gearing may be provided to give a wider ratio spread if required. The transmission control system is described. Another version of the converter with variable pitch impeller blades has been designed for use with turbine engines up to 400 hp which may, with advantage, be of single-shaft type.

Ralph K. Hillquist Honorary SAE Scholarship

Burning velocities for unleaded conventional gasoline (CR-87) and air mixtures were determined experimentally over an extensive range of equivalence ratios at 353 K and 500 K and at atmospheric pressure. Nitrogen dilution effects on the laminar flame speed were also studied for selected equivalence ratios at these same conditions.

Design capability indices provide a metric to assess the capability of a family of designs, represented by a range of top-level design specifications, to satisfy a ranged set of design requirements. ...To illustrate the use of design capability indices, the design of a family of General Aviation aircraft is presented: design capability indices are used to simultaneously design a family of three aircraft around a two, a four, and a six seater configuration. ...To illustrate the use of design capability indices, the design of a family of General Aviation aircraft is presented: design capability indices are used to simultaneously design a family of three aircraft around a two, a four, and a six seater configuration. The results are compared against two of our previous studies.

The Generic Open Architecture (GOA) Framework family of documents is organized into sets. This is the introductory document for those sets. The GOA family of documents is intended to support the development of affordable systems through the use of open systems concepts. ...The GOA family of documents is intended to support the development of affordable systems through the use of open systems concepts. ...The GOA family of documents is intended to provide input for the systems engineering process. The documents are applicable to the analysis of existing architectures as well as the development of new system architectures using open systems concepts.

As a response to the more and more stringent noise emission legislation and increasing requirements of acoustic driving comfort, a new high speed DI Diesel engine family has been designed focusing on noise control at source, minimization of secondary noise control measures and improvement of sound quality.

The octane appetite of an engine is frequently characterised by the so-called K value. It is usually assumed that K is dependent only on the thermodynamic conditions in the engine when knock occurs. ...Through dividing the original fuel matrix into subsets, it was possible to explore the variation of K value with fuel properties. It was found that K value tends to increase slightly with RON. The explanation for this finding is that higher RON leads to advanced ignition timing (i.e. closer to MBT conditions) and advanced ignition timing results in faster combustion because of the higher pressures and temperatures reached in the thermodynamic trajectory.

Stability of EMF of 0.128 and 0.032 in. diameter Type K thermocouple at 1800 F in air under laboratory conditions is presented and method of test described. ...The stability of EMF for a temperature range of 1800-2200 F in air of a Type K thermocouple is compared with Tophel II- Nial II * in both laboratory and industrial conditions. ...The EMF changes of a 0.128 in. diameter Type K and a Tophel II-Nial II couple of the same size upon exposure to a reducing atmosphere at 1750 F are presented.

The design and development of a new four-stroke two-cylinder diesel engine family of 1.29 litre capacity for off road are discussed. The engine is in naturally aspirated and turbocharged and intercooled versions and rated from 11.9 kW/1500 rpm to 25.7 kW/2500 rpm.

Greyhound's bus manufacturing companies, Motor Coach Industries (MCI) located in Winnipeg, Canada and Transportation Manufacturing Corporation (TMC) in Roswell, New Mexico quickly reacted to this challenge with the introduction of a family of four 40-foot intercity bus models.

A design concept of an aircraft family (55 -, 70-, 100-seater) is presented. Started with the reference model of 70-seater, a stretch to 100-seater and shrink to 55-seater is considered ab intio.

A family of cost-effective, high performance, electro-hydraulic servovalves has been developed for mobile and industrial machinery applications.

This procedure establishes a recommended practice for establishing the sensitivity of the chest displacement potentiometer assembly used in the Hybrid III family of Anthropomorphic Test Devices (ATDs, or crash dummies). This potentiometer assembly is used in the Hybrid III family to measure the linear displacement of the sternum relative to the spine (referred to as chest compression). ...This potentiometer assembly is used in the Hybrid III family to measure the linear displacement of the sternum relative to the spine (referred to as chest compression).

For computers under AEROSPATIALE responsibility, two technologies are used in parallel to ease software changes on- board the Airbus Family. In one technology, all computers with a data base have tele-loading capability from a Multipurpose Disk Drive Unit (MDDU).