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  1. Replies
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    I've only seen a couple of people with Vectors,...

    I've only seen a couple of people with Vectors, and one who had Look Power pedals, who sent me files where they paired the files with either a Power Tap or a Quarq. I also have a bunch of files from...
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    I wasn't saying a speed sensor is useful because...

    I wasn't saying a speed sensor is useful because of distance, I was saying it's useful because it provides a check on data quality. On a trainer, wheel speed and wheel distance aren't very useful...
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    We no. He brok his clavicle and is typin w one...

    We no. He brok his clavicle and is typin w one hnd. Mayb u cud improve ur reading comprehension. Or at least ur compassion.
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    Cadence usually isn't terribly useful for...

    Cadence usually isn't terribly useful for training but in the odd and specific case of a Stages on a trainer, knowing cadence and wheel speed can be useful since the trainer is what is setting the...
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    These data were from 2004. Here are photos of...

    These data were from 2004. Here are photos of Earl Boykins and Shawn Bradley. As you can see from the chart, in 2004 Bradley had a higher BMI than Boykins, i.e., Bradley would have to loose weight in...
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    http://anonymous.coward.free.fr/rbr/nba-tdf-bmi.pn...

    http://anonymous.coward.free.fr/rbr/nba-tdf-bmi.png
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    How do you measure "equally" skinny?

    How do you measure "equally" skinny?
  8. To get faster you either need to increase your...

    To get faster you either need to increase your power or reduce your drag. To increase your power you either need to increase your time on the bike or increase your intensity while on the bike....
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    http://anonymous.coward.free.fr/rbr/tdf04-bmi.png...

    http://anonymous.coward.free.fr/rbr/tdf04-bmi.png

    http://anonymous.coward.free.fr/rbr/tdf06-bmi.png

    1. Current UCI minimum bike mass is 6.8kg whether you're small or big, so that will be a...
  10. Here's a little history of how "220-age" came to...

    Here's a little history of how "220-age" came to be.
    'Maximum' Heart Rate Theory Is Challenged - NYTimes.com
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    People often think that if someone is fast then...

    People often think that if someone is fast then they must know a lot about training; people often think if you're slow then you can't. I'm personally slow but I'm faster than I would have been...
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    I do some TT'ing but nowadays I spend most of my...

    I do some TT'ing but nowadays I spend most of my summers in France so my "races" are mostly the normal kinds of cut-throat rides with friends and club mates, with an occasional cyclosportif tossed...
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    My bread-and-butter training is for FTP....

    My bread-and-butter training is for FTP. Depending on what my schedule is (actually, what my wife and kids and job say my schedule is) I can do that with long rides at low intensity or shorter rides...
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    One of the reasons I showed that plot way up...

    One of the reasons I showed that plot way up above was because it illustrates that different races have different kinds of demands. If you saw a QA plot for each race that would emphasize it more. If...
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    I train with power but I haven't used a HR belt...

    I train with power but I haven't used a HR belt for maybe the last 6 or 7 years. The battery needed replacing but I thought about how I'd been using the information it provided and decided it wasn't...
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    Depends. Here are three plots showing power on...

    Depends. Here are three plots showing power on the y-axis, hr on the x-axis for the same guy in three different types of races over about a six week period of time: a crit, a road race, and a TT....
  17. Yes, but probably not a deal-killer problem. Both...

    Yes, but probably not a deal-killer problem. Both of those things are pretty "steady-state" and the iBike and Stages do not a bad job at steady-state efforts. Where they both tend to do poorly is in...
  18. Whether something is worthless or worthy depends...

    Whether something is worthless or worthy depends on what your intended uses are (but I just got slammed by someone on another thread here in the 41 for making these kinds of qualifications about the...
  19. The iBike doesn't do it for non-zero yaw.

    The iBike doesn't do it for non-zero yaw.
  20. There are at least two ways to do it.

    There are at least two ways to do it.
  21. I can think of reasons.

    I can think of reasons.
  22. Official wind speed is measured at 10 meters...

    Official wind speed is measured at 10 meters above ground. Wind speed at about 1 meter (which is what affects cyclists) is less, sometimes quite a bit less depending on local terrain and vegetation.
  23. Well, there are lots of alternatives. +/- 0.2 mph...

    Well, there are lots of alternatives. +/- 0.2 mph is about 0.1 m/s which is often good enough. The Aerostick uses differential pressure sensors so it can tell airspeed and yaw angle within a degree...
  24. It's easy to mount an anemometer on a bike. It's...

    It's easy to mount an anemometer on a bike. It's hard to mount an anemometer that will tell you air speed and yaw angle with reasonable precision, though that obviously depends on what you mean by...
  25. Thread: Power Meter

    by RChung
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    Yeah, this is actually pretty consistent with the...

    Yeah, this is actually pretty consistent with the observation that cycling is mostly an aerobically-limited sport and that at FTP we're typically way (way way) below maximum pedal force or crank...
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