Propulsurf (Propul~Surf) : a screw-propelled snowboard prototype
Description
Propul~Surf (or PropulSurf) is a screw-propelled snowboard prototype. It 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.