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  • #16
    Yeah, it is amazing it is the same additional length of rope.
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    • #17
      Originally posted by VJ View Post
      My highschool teacher really drilled us with those factors... and it still seems to have effects...

      If you like maths, you'll love this one:
      Imagine a rope that fits tightly around the equator. Now, imagine a second rope that "floats" 1m above the first one, everywhere. How much longer is that rope? And what if we do the same with a rope around a tennis ball? (the answer is quite counter intuitive)
      Equator: about 6.28 m
      Tennis ball" about 6.28 m

      However, do you mean the inner diameter or the outer diameter of the rope toroid?
      Brian (the devil incarnate)

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      • #18
        Originally posted by vj
        If you like maths, you'll love this one:
        Imagine a rope that fits tightly around the equator. Now, imagine a second rope that "floats" 1m above the first one, everywhere. How much longer is that rope? And what if we do the same with a rope around a tennis ball? (the answer is quite counter intuitive)
        Originally posted by Brian Ellis View Post
        However, do you mean the inner diameter or the outer diameter of the rope toroid?
        Right there you have the difference between a mathematician and an engineer.
        Chuck
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