Pistons
Miroslav Sanytrák/Boris Dacko | 17.6.06 | Válce
F1 constructors
The pistons have to cope with an enormous stress in any engine, however in an F1 car, the load reaches totally new levels. They are subject to substantially higher pressure from the expanding combustion products and temperatures aimed at the piston surface. The pistons, respectively their weight, influence the engine rpm and thus the total output. Apart from the high heat and mechanical load there is the demand of ultra light construction.
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The current pistons, for instance, reach speeds of 50 m/s. These opposing demands might be easily solved by a composite materials but they are prohibited by FIA. The regulations even set the pistons' maximal diameter, i.e. bore to 98 mm. The up-to-date F1 pistons are made of aluminium alloys, for example Al-Si, Al-Cu, Al-Mg or Al-Zn.
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