Towards an Energy Policy for Transport : A Series of Papers by Watt Committee

By Watt Committee

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Additional resources for Towards an Energy Policy for Transport : A Series of Papers Presented to the Watt Committee Consultative Council Held At the Royal Aeronautical Society in London On November 27th 1979 Watt Committee Report ; No. 7

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2. Much improved maintenance and tuning of machinery. What Sir Frank Mason called “The importance of ill-considered trifles”—leaky pipes and glands, dirty injectors, dirty sprayers, incorrect operating conditions, etc. 3. Need to come to terms with deteriorating quality and heavier diesel fuels, coupled with a reducing proportion in it of the Middle East fraction. 4. Many refinements of engine design. 5. Great importance of achieving reliability on worse fuels. 6. , must be large enough to deal with worsening fuel throughout the life of each ship.

This showed great promise, but the turbine must use a vertical rather than a horizontal axis, to reduce top-weight and simplify the transmission of the power to a conventional propeller, most probably using a hydraulic, pneumatic or electric generator to drive an equivalent motor connected to the propeller shaft, with a dieselengine alternative for narrow waters and to supplement or take over from the wind turbine when winds were light. This rig can sail directly up wind, and should drive the ship faster down wind than the speed of the wind itself.

It will be noted that the automatic transmission is very similar in efficiency to the manual transmission. What it gains by more frequent changes in gear ratio is unfortunately lost by the inefficiency of the kinetic torque converter. This can be partly catered for by locking out above a certain load and speed by means of friction clutch. The continuously variable transmission shows a considerable advantage. F. which uses a belt-drive, others under development use steel belt-drives as in the Van-Dome transmission or chain drive in the case of the Reimer transmission.

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