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5601[ksurf] Re: Kite size / weight ratio

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  • David Raue
    Oct 3, 1999
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      This kind of technical discussion is what the >foildesign< group is all
      about. Why not post details there so all the technoweenies can benefit?
      It's Foildesign@onelist.com . Seems like that group would love all this

      ----- Original Message -----
      From: Dave Culp <dave@...>
      To: <kitesurf@egroups.com>
      Sent: Saturday, October 02, 1999 8:22 PM
      Subject: [ksurf] Re: Kite size / weight ratio

      > >Hi, Dave, I am one of those lurkers and as an engineer I enjoy your
      > >posts, however, I do not feel I have much to add on top of your long
      > >experience and sound analysis.
      > >
      > >I also mess around with radio control sailplanes and I have an
      > >appreciation of the 3-D wind picture which most sailors don't. It is
      > >amazing how many lulls on the water are actually the leward side and
      > >bottom of a thermal. This is significant for kite surfers, can you use
      > >the upward velocity?
      > Absolutely! Oh, kites don't have use for upward motion, per se. What
      > we *do* have use for, just like a racing sailplane, is being able to
      > "dive" the kite, down into it's apparent wind, without actually
      > losing altitude. This is a major plus, if and when possible. I'd bet
      > most kiteflyers cannot tell the difference between a small thermal
      > and an ordinary gust. The difference is great, of course, in that
      > thermals can be predicted from visual clues (clouds), while gusts
      > normally cannot.
      > >
      > >FYO there are several small telemetry devices available to measure air
      > >speed on RC aircraft. Should be light and small enough to put on a kite
      > >to measure on kite wind velocity. I don't know about water proof though.
      > >I will e-mail you specific vendors if you are interested.
      > Please do. Perhaps off-list, if you will, so as not to offend anyone
      > wiht the extra bandwidth: dave@... Thanks!
      > Dave Culp
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