Stregheria is the term used to describe Italian witchcraft, and is also used to refer to a neo-pagan witchcraft-based religion originating from Italy.

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The Predator is a highly sophisticated slope-racer, specially designed for F3F. It is designed by Gudmund Malones.

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Sunbird 60” – a Lot of sailplane in a small attractive package.

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Vector III has been developed over more than two decades and many variants to provide the ultimate no compromise slope aerobatic plane.

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Sigma II - like all of my designs was developed over many years, and like its name suggests has been the sum of all I knew with each version.

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Typhoon earned its name because it was designed during the worst part of the strongest Typhoon to hit Taiwan in the last decade.

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Sigma F3B RC Sailplanes

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