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Bike metrics - power versus speed/distances

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  • 06-11-2013 10:46am
    #1
    woody1
    Registered Users Posts: 1,907 ✭✭✭


    what are the options for those of us without a power meter ? genuine question.. im liking the swim and run tt tables, i know a bike tt table has probably too many variables... are there any other options


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    #2
    tunney
    Registered Users Posts: 12,583 ✭✭✭✭tunney


    mloc123 wrote: »
    That reminds me, I must find my PM and set it up..

    I think some is going to give you a slap.
    woody1 wrote: »
    what are the options for those of us without a power meter ? genuine question.. im liking the swim and run tt tables, i know a bike tt table has probably too many variables... are there any other options


    To be honest somewhat limited.
    You could get trainerroad and set that you for virtual power for your turbo trainer. It will be consistent(ish - wheel temperature affects it) but not accurate (at all). So you would need to get a friend with a real PM to do something like a step test on it (1 minute at 150 watts and increase by 20 watts every minute) so you could get a picture of how the trainerroad watts relate to the real world watts.


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    #3
    Kurt Godel
    Closed Accounts Posts: 4,361 ✭✭✭Kurt Godel


    The other tables measure distance/time. Would it not be easier having a bike table TT say 20km/time?


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    #4
    tunney
    Registered Users Posts: 12,583 ✭✭✭✭tunney


    Kurt Godel wrote: »
    The other tables measure distance/time. Would it not be easier having a bike table TT say 20km/time?

    Mods can we break this out into a separate thread - "Bike metrics - power versus speed/distances" please?


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    #5
    hf4z6sqo7vjngi
    Closed Accounts Posts: 7,454 ✭✭✭hf4z6sqo7vjngi


    Kurt Godel wrote: »
    The other tables measure distance/time. Would it not be easier having a bike table TT say 20km/time?

    Too many variables KG, from road surface, weather conditions, elevation gain. A watt is a watt is a watt


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    #6
    tunney
    Registered Users Posts: 12,583 ✭✭✭✭tunney


    Kurt Godel wrote: »
    The other tables measure distance/time. Would it not be easier having a bike table TT say 20km/time?

    You tore my post on protein apart for being non scientific. Yet here you are advocating distance and speed over power.........


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    #7
    Kurt Godel
    Closed Accounts Posts: 4,361 ✭✭✭Kurt Godel


    Daphne Scary Gauche wrote: »
    Too many variables KG, from road surface, weather conditions, elevation gain. A watt is a watt is a watt

    You could say the same about the 3km run test, and same course and similar conditions should average most variables for the sake of loosely measuring progress- but I take your point. The FTP test is the grand daddy of them all, more precise than the swim or run tests.


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    #8
    shotgunmcos
    Registered Users Posts: 8,208 ✭✭✭shotgunmcos


    MOD: ok before we break it out lets be clear about what we want? FTP thread worked last year but not everyone has a power meter. 20km road is very subjective. Downhill tailwind TT?!


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    #9
    woody1
    Registered Users Posts: 1,907 ✭✭✭woody1


    dont think hes arguing against power, just that a speed / distance table is the easiest option for those without pm, but no doubt its very flawed...


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    #10
    tunney
    Registered Users Posts: 12,583 ✭✭✭✭tunney


    Kurt Godel wrote: »
    You could say the same about the 3km run test, and same course and similar conditions should average most variables for the sake of loosely measuring progress- but I take your point. The FTP test is the grand daddy of them all, more precise than the swim or run tests.

    I did.
    I said calibrated treadmill or track for the run.

    For the swim less variables really. Water density (pool temps usually similar), togs worn about it


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    #11
    tunney
    Registered Users Posts: 12,583 ✭✭✭✭tunney


    shotgunmcos wrote: »
    MOD: ok before we break it out lets be clear about what we want? FTP thread worked last year but not everyone has a power meter. 20km road is very subjective. Downhill tailwind TT?!

    Why not have both? Separately.


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    #12
    Kurt Godel
    Closed Accounts Posts: 4,361 ✭✭✭Kurt Godel


    tunney wrote: »
    You tore my post on protein apart for being non scientific. Yet here you are advocating distance and speed over power.........

    The FTP test is a more accurate measurement of progress- no question. I don't want to derail your thread, but not everyone has a PM. No big deal, maybe a 20km/time table (or whatever) can work for those without a PM.


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    #13
    woody1
    Registered Users Posts: 1,907 ✭✭✭woody1


    tunney wrote: »
    Why not have both? Separately.

    thats what i meant to start with ..obviously


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    #14
    peter kern
    Registered Users Posts: 3,359 ✭✭✭peter kern


    woody1 wrote: »
    what are the options for those of us without a power meter ? genuine question.. im liking the swim and run tt tables, i know a bike tt table has probably too many variables... are there any other options
    find yourslef a looped course and do test sets or tts whatever you think works for you best ( dpending on goals distance you race etc.
    ) if you take splite in each lab it also tells you nicely where you have to work on ie cornering climbing flats.
    for instance the dublin city tri course is a fantastic course for testing if you use a certain test set. ( its fairly constant and most of the time difference would come if you have to slow down at a few times but it levels itself up nicely )
    persoanlly i prefer test sets over 20 min tests same for bike an run but the 400 swim 3 k 20 min ftp test are useful in some respect and easy to compare which is the main point here.


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