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Solar Power: Do Wind Power Generators Work With Centripedal Force? (6/26/2012)

I know that the wind is what gets them moving.

But are there weights in the tips of the ‘windmill’ blades that keep them spinning?

Knowledgeable persons only, no rude responses or I’ll report you.

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Pancakes June 26, 2012 at 5:45 am

No. If there were, it would take more wind to get them to spin. In the long run, it would make no difference.

tomz17 June 26, 2012 at 6:44 am

xoman June 26, 2012 at 7:29 am

Well you spelled “centripdal” I think is spelled centrifecal if I am not mistaken, but your question is no.

CRJPILOT June 26, 2012 at 7:43 am

There are no weights in the windmills. It would require energy from the wind to spin up the blades with weights, energy that would be wasted do to aerodynamic drag when the windmill was acting like a flywheel so a windmill with weights would be less efficient than one without them

cdf-rom June 26, 2012 at 8:38 am

No, I hope this doesn’t sound too simplistic, but the blades KEEP spinning, because the wind KEEPS blowing! If the wind stops, the windmill stops turning! This is why many windmills use a power storage system, such as pumping water into an elevated tank while the wind is strong, so that the flow of water will do the work of generating electricity when the wind dies down.

Mr. Logic June 26, 2012 at 9:17 am

Hmm…. The weight of the tip is for balancing, inertia and specially design to give the best efficiency on the windmill, when wind blow directly to the windmill “flaps”. In a way that you are right, the tips of the windmill blades keep them spinning. But without the existence of continuous Wind (or source of energy / force) in the first place, the blade won’t move.

Newton’s law, thing won’t move unless if acted by external force. Thing won’t stop if no opposite force acted upon.

Kiowa1 June 26, 2012 at 9:30 am

Works on centipedal force… using thousands of centipedes…

montor June 26, 2012 at 10:06 am

wind mills have no weights in their wing tips in fact keeping the weight down is an advantage, strength and durability vs. economy and preformance, there are different types of systems to keep wind mills running, the most common today is pitch and stall regulation, this adjusts the angle of the blade to suit the wind conditions creating optimal drive (torque) for the generation of electricity.

jlsmith92104@sbcglobal.net June 26, 2012 at 11:00 am

With a question like this, I always suggest that you take out a dictionary and look up the term. In doing so you have answered your own question and given your brain a little exercise.