The visible metal sheet fuel tank is regarded as classical and therefore proven especially in the USA and Japan. It is used particularly frequently in the roadster and cruiser segment. Japanese OEM's exclusively use steel fuel tanks except for offroad vehicles. At BMW Motorcycle the challenge for future steel fuel tanks is the omission of the stoving paint. Alternatives could be electrolytic zinc-plating, zinc-nickel-plating, hot dip aluminized metal sheets or metal sheets with magnesium coating. Aluminium remains generally interesting as a lightweight material. A further challenge is the concentration of BMW MOTORRAD on established extrusion technologies with the relevant tank manufacturing processes. In this context, the focus is on motorcycle specific suppliers rather than the big automotives with their PE-HD-COEX technologies. For this reason new polyamide blow molding and polyamide rotomolding materials will be analyzed. Such solutions may make painted plastic fuel tanks affordable again for BMW MOTORRAD. All materials for fuel tanks are analyzed with regard to fuel with an ethanol level of 25 % and more. Due to lean packages, cost and weight saving, BMW MOTORRAD concepts are shifting from the saddle tank to compact tank geometries.
Aluminium fuel tanks for motorcycles
Development Trends of Motorcycles IV, International Conference Development Trends of Motorcycles, 5 ; 111-121
2013
11 Seiten, 11 Bilder, 4 Quellen
Aufsatz (Konferenz)
Deutsch
Alumium fuel tanks for motorcycles
Kraftfahrwesen | 2013
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