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TT helmet, time saving ?

Started by MikeHains · · Last activity · 6 posts · 1,481 views

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01 / Original postTT helmet, time saving ?MikeHains · 4 Nov 2005 02 / This pagePosts 1–6Page 1 of 1 · chronological order 03 / Latest replyPost #6rv · 9 Nov 2005

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Cycling Equipment
Published
4 November 2005
Last activity
9 November 2005
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MikeHains
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  1. Original post
    MikeHains
    Archived post
    #1

    G'day. Has anyone seen any studies (ie in windtunnel) of the difference a TT helmet makes ?

    Regards, MJH 😉

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  2. John M
    Archived post
    #2
    MikeHains said:

    G'day. Has anyone seen any studies (ie in windtunnel) of the difference a TT helmet makes ?

    Regards, MJH 😉

    No real data but some discussion

    slowtwitch.comhelmets.html

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  3. MikeHains
    Archived post
    #3
    John M said:

    slowtwitch.comhelmets.html


    Thanks for the link. Interesting read. The last line is: "... one and three-quarter miles over that same 100-mile ride".

    At 50km/hr ... that would be a saving 0.87km/hr. At my speed (42kph) I would save 69" over a 40km TT.

    I would dearly love this to be true :p

    Regards, MJH

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  4. el Ingles
    Archived post
    #4
    MikeHains said:

    G'day. Has anyone seen any studies (ie in windtunnel) of the difference a TT helmet makes ?

    Regards, MJH 😉

    when Lemond won Le Tour didn´t the research say a second a km ?

    problem is we don´t ride in a wind tunnel and all that turbulence caused by traffic , side winds etc tends to screw up the calculations a tad .
    in general if you think it´s faster it probably will be , placebo effect , but maybe not a notable amount .

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  5. MikeHains
    Archived post
    #5
    el Inglés said:

    when Lemond won Le Tour didn´t the research say a second a km ? ...


    Thanks el Ingles. That's the info I was chasing. Regards from down under. 🙂

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  6. rv
    Archived post
    #6
    MikeHains said:

    G'day. Has anyone seen any studies (ie in windtunnel) of the difference a TT helmet makes ?

    Regards, MJH 😉

    about 30 seconds over 40k. or so they say...

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