well I just wanted to know if the math is corect. if it is then the rest maybe also. Luna cycles has not changed their statement that it is 4.91...
In regards to the cyclone mid drive kit; I do not understand this at all. So I hope that some one can tell me if it is correct. I did not write...
Notknowing how to think about this concept, I am contemplating how some motors useexponentially larger amounts of power to just to double the...
I really do not know how to think abou this, I want to know ratio I should use for a single gear on a specific hill I am wanting to use no more...
OKI think the calculator gave me the wrong answer.... Ineed to know how much wattage it will take to drive a 400lb and a550lb vehicle up a 9%...
I just need to know if I did all this correctly I used this calculator http://www.kreuzotter.de/english/espeed.htm to estimate that 900...
OK maybe I should find another place to ask this. Not endless sphere, they don't know any thing.
I have been trying to figure out how to build a mid drive for a bicycle that is shiftable between 2 or 3 speed gears for steep hill climbing....
OK forget it, I thought about it and decided that the hub gear just can't be strong enough.
I want to use an strurmy-archer hub gear as a mid drive fro a heavy cargo bike. so that I can have extra low gear for hill climbing. I don't know...
I am looking at wet dry vacuums and there is one that says 5 HP at 9 amps ;180 watts.... I saw some that claim 1.75 HP, but how can I tell what...
I have been told that bicycle chains are 98 percent efficient. But does that include going around a sprocket? what kind of chains is that number...
I was reading in book last night that the air gap alternators don't even start producing power until they reach about 150 RPM. well that means we...
I am planing to make a large pancake alternator, the kind used for wind power. I think 36 to 48 inches will give me the most momentum for pedal...
thank you very much, this will help a lot.
perpetual motion wheel?? how do these work?? Rgp6gcSaF2Y bmjBTSdCiVg 7KqOwJKWIAw
what gear ratio do I need??? So I need to know what gear ratio I do need for a 1.6 hp motor to climb a 16% grade with 450 lbs. And that would be...
formula needed Well I don't know the mass of the vehicle yet.... but it will be a 20" tire most likely. This why I need a formula. I know it...
If I have a motor that spins at 3000rpm at 1200 watts according to the label, how do I calculate the gears I need to slow down to 15mph. I'm just...
52 sprockets / 12 sprockets on the rear= 4.333 ratio? X 60rpm crank speed x (20†x pi=62.8inch circumference) = 16327.987 inch min. / 12 inch =...
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