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Recent pages Aerodynamic Drag Calcul... Manufacturer Guides Changing Rear Shock Bush Image Size Technical Wiki Writing All pagesMain pages Vespa Labs Vespa 101 Calculators Aerodynamic Drag C... cc Calculator Unit Converter

Edit page New page Print page More Page last modified 20:30, 25 Apr 2011 by internetscooter 0 Page Notifications Off Vespa Labs > Vespa 101 > Calculators > Aerodynamic Drag Calculator Aerodynamic Drag Calculator From $1 Table of contents 1. Aerodynamic Drag Spreadsheet The calculator gives you some idea of the impact of aerodynamics on your ability to go fast. Roughly a standard PX puts out about 8 HP at the rear wheel which will mean your top speed will be less than 100 Km/hr when you are sitting upright (rolling resistance has not been accounted for). To go faster you are fighting more air hitting you faster, so to go 2 times as fast you need 8 times the power! If you play about with the reference area, you can simulate the effect of ducking down. For example change 0.88 to 0.70 metres squared and you see you can go 110 km/hr with the same power by ducking down. If you play about with the drag coefficient you can see the effect of make the scooter more stream line, for example adding a screen to reduce the drag of the rider (i.e. same surface area but more aerodynamic). Aerodynamic Drag Spreadsheet  Based on the Drag Equation Spreadsheet removed because it is wrong - calculations have disappeared somehow Tags: (Edit tags) No tags Attach file or image Files (0)   Images 0 No images to display in the gallery. Comments (0) You must login to post a comment.

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