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My 250cc comet KART- home made

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  • #16
    Whoa it's a V-Twin Frankenstein!! And the engine is right next to you, does'nt it get hot??
    I'm too intelligent to the unintended, and too dumb for the obvious.

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    • #17
      Wow Hemank..this is superlative effort!!..please give us the construction details..err i mean how did you go about the entire project..costs..obstacles etc etc!!

      Please use proper karting gears when you try the performance of this meano!!
      "Bikes + Music = Nirvana"

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      • #18
        Originally posted by m1g View Post
        The stock comet manages 140 kmph, and with such a light frame, we hope for something better! ..
        There is something called as final gearing and wheel size math that gives u the top-speed. A comet does this with a 17" rear wheel. You are running a rear wheel which is around 8 inches. No wonder you have such terrific acceleration. I'd be surprised if teh kart does 120 tops with this gearing and the bike almost hitting rev limiter in 5th. But trust me the acceleration will be terrific.
        All your top-speed will depend on the final wheel size gearing.
        Anyways for being a kart, u dont need any top-speed. 120kmph is more than enough.
        sigpic
        [email protected]

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        • #19
          amazing stuff bro,, keep it up,,
          www.wheelieboy.co.in

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          • #20
            Originally posted by Joel View Post
            There is something called as final gearing and wheel size math that gives u the top-speed. A comet does this with a 17" rear wheel. You are running a rear wheel which is around 8 inches. No wonder you have such terrific acceleration. I'd be surprised if teh kart does 120 tops with this gearing and the bike almost hitting rev limiter in 5th. But trust me the acceleration will be terrific.
            All your top-speed will depend on the final wheel size gearing.
            Anyways for being a kart, u dont need any top-speed. 120kmph is more than enough.
            ooo..forgot about the rim size! And yeah, I know, top speed won't be required too much..
            So drags it is then!
            Motorcycle Snaparazzi. Tourer. Motorcycle addict. And so many things more...
            Think you've seen crazy automotive action? Not till you've been here!
            http://www.torqueofthetown.blogspot.com

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            • #21
              Originally posted by m1g View Post
              ooo..forgot about the rim size! And yeah, I know, top speed won't be required too much..
              So drags it is then!
              Karts will never be able to attain crazy top-speeds. They can spin out of control. They are not aerodynamics, wheelbase is too less, small wheels which lack grip, braking insufficient to handle high speeds, frame flex, steering issues etc etc..
              120 and the kart staying on tarmac, itself will be a task. U only need blistering acceleration, not top-speed. Not even drags man. That comet engine is not a great engine. 2-strokes can still smoke the day lights of it.
              Also a suggestion, the fuel tank will need to be shifted to a better place. Its heavily prone to cracking in case of a mishap or a slight bump.
              sigpic
              [email protected]

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              • #22
                Yup..
                But this will have an advantage on a tight track..loads of low down grunt..

                And who said everyone should built sensible stuff! Look at what the crazies have come up with!
                YouTube - 9 second 1/4 mile Turbo Go Kart Santa Pod
                Motorcycle Snaparazzi. Tourer. Motorcycle addict. And so many things more...
                Think you've seen crazy automotive action? Not till you've been here!
                http://www.torqueofthetown.blogspot.com

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                • #23
                  Holy Cow...This is wicked!!

                  I am sure it would surely pulling your elbow sockets out when you dab on the throttle!!

                  sigpic

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                  • #24
                    Great work.. And whats next with the comet frame?
                    ShoGun -- Offerings to the GOD of SPEED

                    My Life on 2 Wheels :)

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                    • #25
                      Originally posted by m1g View Post
                      ooo..forgot about the rim size! And yeah, I know, top speed won't be required too much..
                      So drags it is then!
                      the theoretically calculated top speed considering rpm, gear ratio, front to rear sprocket(both changed) ratio and final wheel dia is 122 km/hr

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                      • #26
                        Originally posted by hemank View Post
                        the theoretically calculated top speed considering rpm, gear ratio, front to rear sprocket(both changed) ratio and final wheel dia is 122 km/hr
                        Didnt I already say this in the previous page. Getting to 120 itself will be a big deal. You can hit a good 115 for sure. 120 if you get a better patch. But it will get there in no time. However the state of tune of the engine also matters.
                        sigpic
                        [email protected]

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                        • #27
                          wow ... amazing stuff hemank !! going to start a go karting business ??
                          -- kri$ --

                          Back to biking... Pulsar 200NS, My RedBull !!

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                          • #28
                            I have a 50 cc motor wasting at home .. was thinking of doing something similar with a top whack of 30Kmph.

                            .:. Archi

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                            • #29
                              Originally posted by kri$hna View Post
                              wow ... amazing stuff hemank !! going to start a go karting business ??
                              well not a bad idea provided im sponcered. u know any? I got the land. need everything else.

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                              • #30
                                hmm bro why dont u come up with a pocket bike?? what say??

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