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| *Vultures Knob>>>Pocket Bike |
Can I replace a Centrifugal clutch with a manual lever clutch on a 49cc engine? |
I have a 49cc engine that came off of a pocket bike. I put the motor on a bicycle but it needs to have a lever clutch but it has a centrifugal clutch. Is it possible to replace the centrifugal clutch with a manual lever clutch? If so where would i get this? Any help or suggestions is greatly appreciated. why change it? as soon as you chop the throttle you can use the brakes, much safer. There is a high degree of entertainment value in this for me. At your expense of course! I am just teasing here my friend. It has finally come out. You are NOT, in fact, installing a kit, as you've stated in other threads. I suspect you are having a whole bunch of trouble doing this, and making it harder on yourself. You are intentionally controlling your questions to manipulate the answers you get. Likely prior to undertaking this project, you encountered many neigh-sayers. This has upset you, because you have seen bikes similar to this in the world, and you feel you KNOW that it is a possible build. In an attempt to cut down on the obvious answer to pretty much all of the questions you have posted, you are leaving out info here, and adding it there. The reality is, that it is an insanely easy thing to do what you are trying to do. For an experienced engineer and fabricator that is, which you clearly are not. To get that set up to work, you are going to have a transmission similar to that used in motor-scooters. You need a centrifugal gear SOMEWHERE between your power-plant, and your final drive - even if that ends up being said centrifugal gear. This will allot for the clutch you will find handy, and the final drive component necessary to get this to work. No one has mentioned the obvious though, and you won't find out until you get that all Jimmy-rigged somehow. That 49 cc power-plant you are talking about will make about 10 b.h.p. my friend. That is about 9.99 more horsepower than a human body can put out. Your motor, that you obviously think of as puny, is actually pretty stout; and it will make a pretzel out of a bicycle frame, if you can ever get it to drive the rear wheel. You've somehow managed to do just that, but by your own admission could never get the engine to make any real rpms. That was a gearing issue that somebody already straightened you out on. Had you had even close gearing, you'd be doing your project from a hospital gurney right now. You are going to need to beef the frame. You are going to have to have wheels hand made. Including every one of the spokes. Hand made, one-off. How are you with a metal lathe and up-right mill? This is going to require the acquisition of rubber somewhere too. You are going to have to fabricate the entire primary and secondary drive assembly. I could go on all night here. By the time you have modified everything to the point where that it will be even remotely functional you will have lovingly reproduced a product you can go buy for about $350. But you will have paid somewhere right around $20K There are motors you can purchase that just sit on you tires, and turn them. Gas, electric, there are many. Furthermore, Puch, an Italian motor-scooter company made a product for years, just like what you are trying to build. Likewise is the, "Yamahopper". There is probably somewhere around 30 companies between France and England alone, that manufacture a little beasty like this as well. Why, on Earth, would you go to all this trouble?s |
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