Posted by jackinok on September 13, 2012 at 07:05:06 from (162.58.82.136):
In Reply to: Re: OT Windmills OT posted by ldj on September 12, 2012 at 11:20:28:
NO source of power generation is free,from wind ,solar, to the simple chemical reaction in your car battery. Anyone tells you this just walk away., The idea behind solar,or wind power,is that its renewable,not free. Winds going to blow,suns going to shine ,waves are going to hit the shore,water runs downhill, WHY NOT use them? Is it free? NO WAY! Will they ever pay for themselves?MAYBE NOT! Do they take wasted energy and turn it into something we can use?,YES. We have used the winds energy for years,pumping water,grinding flour etc,did those pay for themselves? Depends on your point of veiw i guess. Water pumping mills allowed folks to move into areas that otherwise would have been uninhabitable. Allowed settling and farming of much of the high plains that today feeds a substantial portion of the world. They also drove native species to extinction or near extiction,displaced native people,destroyed countless millions of acres of native grasslands,polluted water sheds, and the list goes on and on. So wheather or not those lowly windmills "PAID" for themselves is simply a matter of perspective. In a purely monetary sense yes they paid millions of times over! But it seems it falls on us, our children,and grandchildren to finally pay that cost of converting that power. I assure you i am no "GREENIE",but if the power source is there,its renewable,and can be harnessed I see no problems. Would i want to listen to one in my backyard?,no,gives me a headache!LOL. As a longtime farmer/rancher though i dont have any problem whatsoever with harnessing the sun ,water and wind. I do it everytime i plant and sell a crop,or take a calf to market! or in reality, hold a new grandbaby.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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