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  • Question: power to weight ratio....

    something I really don't understand, and hoping that some of you have the answer to the question.

    ok here is the one million dollar question for all the riders.
    how can a bike have more power to weight ratio then the other bike, but lower horse power?

    for example the hyosung 650gt has 0.407 power to weight
    the yamaha r6 has 0.27 power to weight
    HOWEVER
    the hyosung has around 80 horse power
    the yamaha r6 has 110 horse power
    Last edited by Fastgirl; 07-09-2009, 03:55 PM.

  • #2
    Because it also has a much lower weight. Power to weight is how much power it produces in relation to each kilogram of weight the bike has eg 98 CBR600 105hp - 184kg = power-to-weight ratio of 0.57 (105/184). Not really a million dollar question, simple maths.

    Plus, you've done the math wrong - Hyosung = less power, more weight = lower power to weight ratio.

    Using your examples:- GT650R 208kg, 80hp = 0.38 R6 185kg 110hp = 0.59


    The closer to 1 the better.
    Last edited by STRIPR; 07-09-2009, 03:16 PM.
    Nulla Tenaci Invia Est Via
    For The Tenacious, No Road Is Impassable

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    • #3
      And don't forget to factor the rider's weight into the equation.
      "Live Long and Prosper"

      Bayswater Martial Arts and Yoga Centre

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      • #4
        my question was how can one bike have higher power to weight, then the other but lower horse power

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        • #5
          Originally posted by Spock View Post
          And don't forget to factor the rider's weight into the equation.
          Isn't it generally held that if youre comparing the power to weight of vehicles you assume rider weight to be the same so that the results are comparable?
          Originally posted by Amac
          suck me on the hat you mole fucker, steroid affected me cock

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          • #6
            Lower weight
            Being an Australian is not an excuse for being dumb and racist.

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            • #7
              Less weight - see the formula above. Power divided by weight.
              Nulla Tenaci Invia Est Via
              For The Tenacious, No Road Is Impassable

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              • #8
                Originally posted by Slowe Rider View Post
                my question was how can one bike have higher power to weight, then the other but lower horse power
                Simple - the bike has less weight.

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                • #9
                  And your example is flawed because it's wrong. A GT650R does not have a better power to weight ratio than a R6 BECAUSE it weighs more, and has less power.
                  Nulla Tenaci Invia Est Via
                  For The Tenacious, No Road Is Impassable

                  Comment


                  • #10
                    Originally posted by xsnoiz View Post
                    Less weight - see the formula above. Power divided by weight.
                    i get what you saying

                    so shouldnt the yamaha have more power to weight then the hyosung? but all the specs says that hyosung has more power to weight then the yamaha.

                    still bit confusing

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                    • #11
                      Originally posted by Melchior View Post
                      Isn't it generally held that if youre comparing the power to weight of vehicles you assume rider weight to be the same so that the results are comparable?
                      Yes, but you have to factor in a 'standard-sized' rider - eg. 75kg added to each bike's wet (not dry) weight.
                      "Live Long and Prosper"

                      Bayswater Martial Arts and Yoga Centre

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                      • #12
                        Originally posted by Slowe Rider View Post
                        all the specs says that hyosung has more power to weight then the yamaha.
                        link to the specs please.
                        "Live Long and Prosper"

                        Bayswater Martial Arts and Yoga Centre

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                        • #13
                          dont worry i get it now~ some of the specs i have been looking at are wrong!

                          thank you xsnoiz, thank you master !

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                          • #14
                            Your math is wrong. As above, using your examples:-

                            GT650R 208kg, 80hp = 0.38

                            R6 185kg 110hp = 0.59

                            The Hyosung produces 0.38hp per kg

                            The Yamaha produces 0.59hp per kg

                            Understand?
                            Nulla Tenaci Invia Est Via
                            For The Tenacious, No Road Is Impassable

                            Comment


                            • #15
                              Originally posted by Spock View Post
                              Yes, but you have to factor in a 'standard-sized' rider - eg. 75kg added to each bike's wet (not dry) weight.
                              ahh, I see what you mean now. ^_^
                              Originally posted by Amac
                              suck me on the hat you mole fucker, steroid affected me cock

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