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Welcome! You have found a web site full of useful and entertaining information about radio-controlled cross-country soaring. Here we discuss all aspects of the sport in detail, list accomplishments, maintain a calendar of events, and present photos.

2009 Events |
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![]() California Valley XC Race |
![]() Montague XC Challenge |
Radio Control Cross Country Soaring News |
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2009 Thermal SafariOn April 18/19, the Sacramento Valley Soaring Society held its Thermal Safari cross-country soaring event. The lift on Saturday in particular was good, and all teams completed the 30-mile course without relaunching. Steve Henke's report posted on the SVSS website links to some youtube video clips. |
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ALOFT Unofficially beats FAI Goal-and-Return World Record!On October 5th, 2008, the ALOFT
autonomous soaring glider completed a goal-and-return flight of 30.2mi (60.4mi round trip), which is farther
than the world-record of 24.3mi set in 2005 by Gary Fogel. Also, we
achieved a personal best-duration record of 4.5hr air-time, 98% of
which was controlled by autopilot. |
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World Record in Cross Country SoaringTwenty years ago, Joe Wurts set the cross-country RC-soaring record, which still stands today. He wrote a report about it way back then, it is still relevant today, and we are happy to post it in the hopes of inspiring others to make their own record attempts. |
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Testing RNR’s SBXC PerformanceDan Edwards has updated his testing paper Performance
Testing of RNR’s
SBXC Using a Piccolo Autopilot on March 2008. The paper discusses
actual flight performance of the popular SBXC cross-country glider. |
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SBXC Assembly ManualThe venerable SBXC and Super-XC are popular gliders for cross-country soaring. This downloadable PDF document describes the step-by-step assembly with many photos and detailed descriptions. |
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Minimizing Slop in Control SurfacesThe popular cross-country gliders SBXC and MXC are molded performance
planes. Slop is a problem, especially in high-performance gliders. |
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SBXC and MXC SailplanesThe SBXC and MXC are commercially available all-molded gliders designed specifically for cross-country competition. Their design yields high performance while also providing the stability needed to pilot them from a moving car. |
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Testing RNR’s SBXC PerformanceJohn Ellias and Dan Edwards have tested actual flight performance of the popular SBXC cross-country glider. John used an on-board GPS unit to arrive at a sink polar for the glider. Dan expanded on John's data using an auto pilot. |
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Organize a ContestHow to design and run a cross-country soaring event. Course, tasks, base and rules are aspects to consider. |
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