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aerodynamics after adding bags

  • This topic has 18 replies, 10 voices, and was last updated 11 years ago by Topcat.
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  • June 22, 2015 at 5:47 pm #851245
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    vonhelmet

    If you want to ride an aero
    If you want to ride an aero bike and go super quick, get a car to follow you with your clobber in the boot.

    June 22, 2015 at 5:32 pm #851243
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    crikey

    Aero bikes are aero in the
    Aero bikes are aero in the wind tunnel. When you put a big round lump of meat on the top they are not very aero at all. When you put meat and bags on top they are even less aero.

    Look at the bikes used for the round the world race for ideas:

    http://xtremesport4u.com/wp-content/uploads/2012/06/the-winning-bike-e1339869354623.jpg

    June 22, 2015 at 4:29 pm #851241
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    Rod Marton

    It’s difficult to say for
    It’s difficult to say for sure, but I strongly suspect that having an aero road bike will make no improvement you your speed, and might make it worse.

    Firstly, the aerodynamic design is based on having an unimpeded flow of air over the frame. This isn’t the case here.

    Secondly, drag is dependent on the square (arguably cube) of velocity. So the faster you go, the more benefit you get from an aero bike. So on a 10 mile TT, great, but on a long tour you won’t be doing those sort of speeds and any benefit will be negligible.

    In short, you are better off on a bike on which you can be comfortable and relaxed – this will gain you more time than any aero gain.

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