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A scale (electric) tug tows up a scale sailplane during the aerotow event held at Grantsville, Utah. [Dave Garwood] 6 R/C Soaring Digest
The aerotow was well attended and showcased some gorgeous scale gliders and tugs. Flying conditions for this event were perfect. By evening the wind had done its predicable switch to the north so a small group went up to the upper ridge on the north side for more dynamic soaring. The North side of Point of the Mountain is an ideal spot to dynamic soar due to the very narrow top and steep backside of the hill. Dynamic soaring is where you actually fly on the back side of the slope doing orbits that bring you up past the peak of the slope through the shear layer. The energy gained by repeatedly coming up through this shear layer and continuing your orbits down the back side combine to create incredible speed for the airplane. This fun and addicting segment of slope soaring is extremely popular across the country. Many of the attendees were anxious to get in some DSing and some got to see it for the first time! Speeds in the 190-220 mph range were recorded on Monday when the wind speeds were better. Mike and I went up and got to fly until dark. Saturday brought winds from the south at 20-25 gusting to over 30 MPH, excellent conditions for the scale contest! Everything from vintage gliders to war birds were launched while being scrutinized by the judges as the pilots gave a scale flying demonstration. These planes would then be out for us to judge David Alchin, from Modesto California, “Berlin HFS Helios” Nostalgia Scale winner and Pilot’s Choice winner being flown during scale flight judging. [Fred Maier] November 2010 7
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30 Peter Goldsmith 988 791 1,000 0
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Glider Meeting Vincenzo Pedrielli,
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Carlo Cobianchi’s PWS 101, air br
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Egidio Sala’s SZD Bocian November
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Fabio Zema and his Pilatus Porter r
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Carlo Cobianchi’s well detailed K
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Leonello Zubboli’s beautiful Maed
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Pietro Castelvecchio’s Weihe on t
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Back to the holiday. I mentioned my
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ut I relished the sensation of flyi
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Stuart Zintl’s mighty Stinger. Ad
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Adrian Gray with his 1:3,5 scale Sk
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Mini TopSky 1.0m wingspan HLG This
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Nov - RCSoaring.com

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