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Old Jul 15, 2013, 10:20 PM
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jrs_123's Avatar
irvine, ca
Joined Apr 2002
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Anyone recognize these ?

Anyone knows what these are ? Anyone have plans ?
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Old Jul 16, 2013, 12:02 AM
B for Bruce
BMatthews's Avatar
The 'Wack, BC, Canada
Joined Oct 2002
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The one on the left is a Roy Clough "Hoopskirt" design from the 50's. The one on the right is obviously inspired by the original but it's a modified version likely done by the builder of the first one to try to make it easier or look different.
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Old Jul 16, 2013, 02:23 AM
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irvine, ca
Joined Apr 2002
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Awesome ! Thank you for the help. I can always count on RCG.
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Old Jul 16, 2013, 05:58 AM
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Gluehand's Avatar
The windy west coast of Sweden
Joined Sep 2008
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Hi,

"Hoopskirt" was published in Popular Mechanics, April 1963.

Here's plan & article.
Enjoy !
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Old Jul 16, 2013, 07:41 AM
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irvine, ca
Joined Apr 2002
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Thanks for the plan !
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Old Jul 16, 2013, 06:51 PM
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Joined Jan 2003
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Even works as a sloper:
"sloop" flying at cross mt. (thats funny) (0 min 27 sec)
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Old Jul 16, 2013, 07:07 PM
B for Bruce
BMatthews's Avatar
The 'Wack, BC, Canada
Joined Oct 2002
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THAT IS WICKED ! ! ! ! !

It's obviously strongly ballasted to the lower portion of the ring. Do you bother with banking to turn or simply "yaw" turn the ring? If you do an axial roll can anyone tell that you are rolling at all?
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Old Jul 17, 2013, 12:30 PM
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Keremeos, BC Canada
Joined Mar 2004
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Wow, sounds like he is flying iin a hurricane!
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Old Jul 17, 2013, 07:44 PM
B for Bruce
BMatthews's Avatar
The 'Wack, BC, Canada
Joined Oct 2002
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Such is life on a good slope with good lift Terry. The ONE time I got to ever fly in good slope lift it was strong winds all day long.

Of course back then there was no such thing as digital video on our cell phones. Hell, there were no cell phones OR digital video But I have no doubt that the results would have been the same.
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Old Jul 17, 2013, 09:40 PM
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Keremeos, BC Canada
Joined Mar 2004
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We have the perfect slope here, north-south ridge, prevailing east-west wind. Some days I think one could launch a VW off there if there was a way to steer it... The hang glider guys love it, but the natives at the bottom object to them landing in their hayfields. We fly off the top almost any time we feel the urge.
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Old Jul 18, 2013, 06:21 PM
OCD: Old, Cranky and Disgusted
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United States, TX, Sweetwater
Joined Mar 2005
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I have always been curious as to how well the Hoopskirt flew.
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Old Jul 19, 2013, 11:47 PM
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Believe it or not that slope is in North Carolina somewhere. It'd do for an F3F race.

"Dustin" , who built that thing did a pretty good build thread.
http://www.rcgroups.com/forums/showt...+glider&page=3

That was an amazing read, now that I think about it. That guy was really creative.
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