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Discussion in 'Motorized Bicycle General Discussion' started by Haughnph, Jul 16, 2012.
Is there a kit that we can use to make the engine 90cc?
and you will bust before you get to 80
Well I am still going to try. if motovelo can make 60 with out a shift kit sure you bet I am going to hit 80.
Motovelo is running a 12 hp hot rodded Morini engine to go 60
What kinda engine are you using?
Shift kit won't make you go faster without more hp, you
will just get up to speed faster.
They implied they were using the grubee. I know what you are saying about the shift kit. I am going to change the gears around and have a special cassette made. Not only that I have a 29er I am having road bike tires made for it. I plan on making that speed. I might have to start the engine around 22mph so the engine could handle the gears.
Motovelo says on all their craigslist ads that you can install the
whole kit in 2 hours!!! What does that tell you?
Motovelo has been invited to every race to prove how fast their
bikes are but they have been no shows.
I'm pretty sure you could get to 80 mph if you did everything right. Engine specs aside, using a 29"er (700cc wheels) is a must!
Aye if you know what you are doing have everthing ready for custom. I see where you are coming from. I can only do my best with what info I have. Are you able to enlighten me? Cause that 12HP engine you speak of should be able to push the gear ratio I am planning on setting up.
700cc those are smaller than 27" I had my engine stock out the box pushing 35mph.
Going down hill does not count!
This is the most powerful 66 cc China Girl 2 stroke on the planet!
Case inducted reed valve and modded to the limits of breaking.
I doubt if it would go 80 mph?
It would need some serious streamlining to go much faster than 65 - 70
I have in my head ideas that would blow your mind. Who owns this one? Whats its hp rating?
Well, you let us know when you get to 80mph with your ht engine. Make sure you take a video of your speedo showing you going that speed, or better yet, take it to a bike show to prove it.
I'm not sure why there is so much "OMG NO YOU CANT GO THAT FAST THAT'S IMPOSSIBLE" type of responses on here. To be clear, I'm talking about achieved top speeds, peaks - not sustained speeds.
Bicycles without a motor can be ridden long distances on a flat surface at 30 mph. That's normal for a properly geared, professional road bike with a trained rider.
Without a motor, people draft cars or go downhill and get up to like 100 mph.
The limits of how fast a MB can go is often related to the bicycle mechanics itself, not the engine.
Well being in Texas I really would not plan for that. I know what y'all are going on in your head about. The only thing I have to say is. "When I do it. I will have video getting pulled over by a cop." You will here him say,"Do you have any idea how fast you were going?" I just need time supplies and to drop a few pounds, or get me a 100lb rider.
Ya if you are a big rider, its not going to work out for you. Its kinda like horse racing in that respect.
I wonder if everyone here is just a hobbiest or if any one here has acutally built a race engine and I aint talking MBs. Thanks locell you reminded me of a few other tricks I have in my head.
Haughnph, there are some really skilled engine builders on here. I have no doubt whatsoever that some of these people have built some really killer engines. I've noticed that is part of culture on here, more hot-rodders/mechanics than bicycle purists.
I see then they just dont know how to wrap their heads around physics.
I'm not sure that is the case, I think its more of the "pics or it didn't happen" attitude. That being said, I don't have any pics of an 80 mph motorized bicycle. Not at all saying it cannot be done, but it looks like it has not happened yet.
So these races have nothing that make it equal like nascar. Its come as you are.