An ancient question. How do you calculate the kite altitude knowing only the angle and line length? You will see a lot of people refer you to basic trig, but this isn't accurate because of the dip in the line. The line holding the kite isnt a straight line.

In the past, someone worked out the math using the line length and hyperbolic trig functions. I can't find it. Anyone know the formula?

Thanks

Got it!

It's at: Https://www.grc.nasa.gov/www//k-12/airplane/kitesag.html

It also has a link to a program called kitemodeller, since the math for hyperbolic trig functions can be nasty.

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@stevie reports:

I know this isn't precisely the same thing but it's good related information!

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glad you found the info, @ag8n! Some kite physics about altitude and line length is covered in notes on kite anemometers

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