Snowboarding

Propul~Surf : a screw-propelled snowboard prototype

A Snowboarding video by mrbaguette - 30,415 views

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[EN] : Propul~surf is an alternative to ski tows and snowmobiles. It is a portable device: once packed in a bag, the snowboarder (or skier) can freely go down trails.This propulsion system is based on Archimedes' screw: this is efficient and soft for the environment.
This prototype was made in a school contest.

The first prototype shown is this video was made to check is the screw propulsion was possible. Next prototype will be 5 time faster (10 km/h), smaller, safer and lighter.

More informations : http://www.gizmag.com/propulsurf-screw-propelled-snowboard/27230/

[FR] : Propul~surf est une alternative aux motoneiges et autres remontées mécaniques
Il est portatif : une fois rangé dans un sac à dos sac, le snowboarder (ou skieur) redescend la pente en toute liberté
Le système de propulsion est basé sur des vis d'Archimède : efficace et doux pour environnent. Ce système a été présenté aux Olympiades des Sciences de l'Ingénieur 2013.


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