It's ft-lbs. Long blades, lots of torque. (Torque x rpm)/5252 = HP. 1 hp = 746 watts (VA cos phase angle). Couldn't effectively have something like that on a farm, shipped to and put up by a farmer, bought out of a Sears catalog. Since blades had to be shorter, took more to get any kind of power and obviously fatter would catch more wind. On wide blades vs narrow blades, why do do propeller driven airplanes have a few long thin blades but boats have a few short fat blades? Must have something to do with the efficiency of propulsion vs the media....air vs water!
Obviously the physics of the system dictates what is the most efficient and cost effective way to get the job done. One would surely think that these monstrous towers wouldn't be built and maintained if that wasn't the way to do it most efficiently, even with the construction and maintenance (gotta be) nightmare of dealing with something of that size. Had a semi come by the other day with a blade on it........humongous thing. None around here, other than a few novelty types.
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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