- Ski jumping sling
The ski jumping sling system is a training equipment for ski jumpers. It was invented by
Spede Pasanen . There was one prototype in the years 1970-1980 inPuijo ,Kuopio ,Finland . The sling is used to throw ski jumpers from level ground with an acceleration resembling that of a ski-jumping tower. The sling was seen in the film "Professori Uuno D.G. Turhapuro ".Spede-Idea Oy still manufactures the sling. The modern version is electronically controlled. The newest sling is designed for the needs of snowboarders for a variety of jumping events. It makes it possible to arrange such events in e.g. city centers.
External links
* [http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=JP53131136&F=0&QPN=JP53131136 Patent of the ski jumping sling]
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