Old faithful
Page 14
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THE ALUMINIUM alloy piston expected to retain its populari for many years, but with a trer towards more complex forms.
This is the view of Wellwortt Ltd, part of the AE Group of cor panies who supply pistons many European engine man facturers. However, Wellwortt suggests that in the future, co sideration must be given to ternative materials.
One suggestion is cast iro particularly in its high streng modular form which Wellwortl claims has many attractions.
Although accepted f( medium speed diesel engine piston weight and the castir constituency required for ti very thin sections 'have so f limited its use in the high spel enigne.
In the light commercial vehic field, AE suggests that multipl piece pistons with insulati crowns are likely in the ne future.