The diesel engine was reinvestigated as an aircraft powerplant through design study conducted to arrive at engine configurations and applicable advanced technologies. Two engines are discussed, a 300 kW six-cylinder engine for twin engine general aviation aircraft and a 150 kW four-cylinder engine for single engine aircraft. Descriptions of each engine include concept drawings, a performance analysis, stress and weight data, and a cost study. This information was used to develop two airplane concepts, a six-place twin and a four-place single engine aircraft. The aircraft study consists of installation drawings, computer generated performance data, aircraft operating costs, and drawings of the resulting airplanes. The performance data show a vast improvement over current gasoline-powered aircraft.

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A 150 and 300 kW lightweight diesel aircraft engine design study

Turbochargers for the 1980s-Current Trends and Future Prospects

In sizes suitable for automotive gas turbines, the small radial turbine has component efficiency equal to that of the axial type, is less sensitive to the effects of tip clearance, and translates more readily into the ceramic medium with minimal aerodynamic compromise. The initial low temperature phase of a modest design and development exercise is described in which a 76-mm-dia radial turbine rotor was operated at a speed of 1670 rev/sec (100,000 rpm) and at temperature of 1000 K.Copyright © 1978 by ASME

J. Panton

Papers

The Radial Turbine as a Ceramic Component