Posted: Mar 07, 2011 10:15 am
Onyx8 wrote:Maybe I am dumb, but you just said that the blades rotate the wheels which rotate the blades.
You're not dumb, just stuck in a certain way of thinking (linear cause-effect-reasoning) that simply fails at feedback loops. It might help you to consider simpler examples of such mechanical loops:
[youtube]http://www.youtube.com/watch?v=k-trDF8Yldc[/youtube]
As you see: the ruler pushes the cart forward, that turns the small reels, they turn the blue wheel which drives along the ruler, which pushes the cart forward even more, and that turns the small reels... an so on.
The result is that the cart goes faster than the ruler that is pushing it.