Physics of Cycling: The Effects of Body Position
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Uploader Comments (LankyGymnastics)
Top Comments
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Nice job, I'm doing something similar. However you should ride some 6% descendent or more, to have precise results. I think we have a drag coefficient 10% better in the aerodynamic position. Someting like this:
Cx.A = 0,35 m^2 (upright)
Cx.A = 0,32 m^2 (aerodynamic).
Search for my video called " Caloi 10 descida 1,1 km ". I rode my bike on a 10% descendent (maximum) and overcame 47 mph.
4 months ago 2
All Comments (10)
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There are some variables to take into account that could affect the results (unless you held them constant between trials) such as RPMs, wind speed, wind direction, tire inflation, cumulative weight (clothing, water, bike pump, spare tube, etc). Though it is a decent demonstration emphasizing the importance of a more aerodynamic position while cycling
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@807august Didn't you realised, that he is right behind a van, at least effort reduction is about 20-30%..
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@cerealrulz yeah thx for the comment, still months from my comment that you replied to... cant still beat that 52 km speed on flat road...i can only do it on 51...and im using a cross country mountain bike...im planning on buying a road bike soon...hope my speed becomes more faster with it ^ ^
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@807august I don't know because i'm not him, but I would say definitely downhill, you reaching 52 on flat is really fast btw :)
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was that a 61.2 km/h speed on a flat road? man i cant even break my 52 km/h top speed on a flat road and ive been training intensely for 4 monhts now
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worst test ever...
no air tunnel ? no test...
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Nice Video
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I wouldn't call it an aerodynamic position, but you have proved that it really matters.
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You are right, I really should have used the air tunnel I have in my backyard.
What was I thinking.
It was for a school project homie.
LankyGymnastics 11 months ago 11