Cycling Equipment · Public discussion

Guesstimating CdA

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Cycling Equipment
Published
25 May 2007
Last activity
27 May 2007
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  1. Quoted message said:
    A Muzi said:

    But a flashy aero bike can intimidate the other riders!:
    http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=270121944219

    Quoted message said:

    Same small front wheel TT scheme, but even more intimidating:
    http://www.metzbicyclemuseum.com/Bike3a.html
    The treadle drive fairly screams unfair high-tech advantage.

    Yep, if you were strapped in the pedals on that, held up by your
    assistant at a TT start line, other riders would surely take note.
    --
    Andrew Muzi
    www.yellowjersey.org
    Open every day since 1 April, 1971

  2. Quoted message said:
    Quoted message said:
    Quoted message said:

    >> <[email hidden]> wrote:


    -Time trial improvement?-

    Quoted message said:
    Quoted message said:
    Quoted message said:

    >>> [email hidden] wrote:
    >>>> Dude, rather than waste time with a skin suit and aero wheels, why
    >>>> don't you cut to the chase and dope? Plus, later on you can admit it
    >>>> (suggestion: publicly and tearfully) and everyone will think you're a
    >>>> real somebody.

    Quoted message said:
    Quoted message said:
    lightninglad said:

    Ignore the naysayers - I'm on your side. Ride smart!
    Aero wheels will up your average at least 2 kph (based on my
    experience with a 50mm Mavic Carbone.) A 10 minute gain per 40 kms is
    the expected 'standard.' Put the best tyres on them that you can
    afford (the new tubeless Hutchinson looks good) and fine tune the
    pressure for the surface you're riding on. If it's a bit rough, a
    slightly lower pressure will be faster.
    If you can afford ceramic wheel bearings you'll gain a bit more. Ditto
    with the BB and also get oversized and ceramic bearing jockey wheels.
    Another big dragger is the helmet - a Chronos or similar time trial
    helmet will make a noticeable difference.
    Lightweight cranks and pedals will add a little and conserve your
    energy. Carbon soled shoes are a must to maximise the power.
    I have no idea what a skinsuit will do but I know that a half open
    jacket gives noticeable drag - so I'd expect 1/2 to 1 kph minimum.
    Tune your tuck position by finding a long hill and measuring your
    maximum speed in various positions.
    Do yourself a Conconi test to find your sustainable aerobic maximum.
    Use a Powerbreathe or practice breathing with the bottom half of your
    lungs - that's where the major oxygen absorption takes place.
    Study the nutrition required. Also use a protien/mineral/vitamin drink
    after training (within 20 minutes) to aid recovery and build muscle.
    Training is good, but you can train until your eyeballs fall out and
    be very slow unless you pay attention to details and ride smart. Age
    and treachery etc...!!

    Quoted message said:
    A Muzi said:

    But a flashy aero bike can intimidate the other riders!:
    http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=270121944219

    Quoted message said:

    My funny bike needs a little TLC before it's ready to intimidate
    anyone:
    http://arbitrary.org/funny.jpg

    Pretty much the same bike, right?
    Small front, Italian disc, Concor, Cinelli LA, then the details...
    --
    Andrew Muzi
    www.yellowjersey.org
    Open every day since 1 April, 1971

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