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Search: Posts Made By: sunspot
Forum: Wind Power 08-06-15, 01:37 PM
Replies: 8
Views: 6,205
Posted By sunspot
5:1 is a lot of gearing. If you have a typical...

5:1 is a lot of gearing. If you have a typical mountain bike put it in high gear (likely 3 1/2:1 so, still a far cry from 5:1). Lift the back wheel and see how hard it is to turn - after you take the...
Forum: Wind Power 08-05-15, 02:43 PM
Replies: 8
Views: 6,205
Posted By sunspot
That's the killer for an automotive alternator....

That's the killer for an automotive alternator. Even a small, high speed, wind turbine only spins what? ~500 rpm? (guessing). Not nearly enough to get any real power out of your alternator. And with...
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