Re: How tall should the turbines be?

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I am not a math phobic and am probably way off base but I am going to take a stab at what I think is needed/required: If I am using a 50mm lens (35mm film), in order to cover 400 feet on the vertical, I would need to be about 790 feet from the 400 foot subject. Having this as a starting point it should be no problem to size the subject to reflect whatever distance one would want the subject to reflect. I'm thinking the shape of these things are a big airplane propeller on a tall shaft. Depending on the diameter of the shaft and the width of the blades, the human eye would probably have a problem seeing anything if they were more than a few miles off shore. Have no idea what the actual size of these things may be but I'd think you wouldn't be able to see much beyond the 5 mile range even though they would be still visible (theoretically) above the horizon???????????
   My 2 cents

Walter Mayes




Hi, I received the following inquiry or request for assistance. I think this is
something
valid to consider. There are several approaches to the solution. If you were
asked this
question how would you answer? Several faculty members at RIT could not answer
this though!!

-----------------------  begin  -------------------------

I'm working on a story about the proposal by the NY Power Authority to build
wind farms in Lake
Ontario and Lake Erie. What I want to do is produce a photograph, or series of
them, showing how the
view from the shoreline would change if 400-foot-tall turbines were erected in
the lake.

We'd Photoshop-in the turbines (with proper disclaimers), but want the image
  to be as accurate as
possible. I'm wondering if you might might help us. We need to know how "big"
to make the turbine
appear in the photo. Any thoughts would be helpful. Thanks.

-----------------------   end   -------------------------

What is needed is a step-by-step guide that anyone who by their self admission
is math phobic. I may reveal my answer(s) if anyone is interested. andy




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