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Great, thanks for your help. Do you have an equation you used? I'd like to be able to create a spreadsheet where I could then change any variable, for future use. Thanks again.

This is part of a radio tower installation. I have always called it a falling derrick, but may also be referred to as a pivoting gin pole. Here is an old video using this same technique that will hopefully explain how it works. http://vimeo.com/7973643 To answer your questions, yes, the...

Thanks for your reply. I should have been more clear. The guys aren't 30, 60 & 90' in length, but at the 30, 60 & 90' points off of the pole. So yes, the longest guy will be longer than 90' in length. The distance between the pole and Derrick is 12". Thanks again.

Hello, I want to raise a 90 foot long pole that is 5" in diameter using a falling derrick. I am interested in the force applied to the guys as it is raised up from the horizontal position to a vertical position say degree by degree. I would like to accomplish this in a spreadsheet. The...