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Minderung der Laermemission von motorisierten Zweiraedern Untersuchung hinsichtlich Auswirkung getroffener administrativer Massnahmen sowie Erarbeitung von Vorschlaegen zur weiteren Emissionsminderung

By W. Betzl, H. Walbrecht, Muenchen (Germany) Technischer Ueberwachungs-Verein Bayern/Sachsen e.V. and Berlin (Germany) Umweltbundesamt


For realizing the investigations 20 motorcycles of different producers were chosen and made available. Noise measurements according to EEC - directive 78/1015/EWG, 87/56/EWG, modifications of the research institution of noise and vibration in Aachen and own proposals have been conducted. The experiences made in practice and the measures taken by us following was found out: especially motorcycles with high power and high performance rating revolution within the measure distance don't accelerate corresponding their real power and therefore reach relatively low noise emission. For finding a better registration of such motorcycles following modification of the directive will be recommended: Motorcycles with a displacement over 175 ccm [and a power of more than 0,2 KW/kg empty weight] should drive into the measure distance in the 2. gear with at least 50% of the highest power engine revolution and higher speed, as this revolution won't be reached by 50 km/h, drive in the 3. gear with a speed of 60 km/h into the measure distanceSIGLEAvailable from TIB Hannover: RN 8908(93-116) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Umwelt, Naturschutz und Reaktorsicherheit, Bonn (Germany)DEGerman

Topics: 03B - Noise pollution, 13F - Ground transport systems, NOISE MEASURE: M, MOTORCYCLE, POWER, MEASURE-DISTANCE
Year: 1992
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