Propul~Surf : a screw-propelled snowboard prototype
47 بار بازدید -
7 سال پیش
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[EN] : Propul~surf is an
[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 and tested in Orelle - Val Thorens, France. It won the Olympiads of engineer sciences in France.
The first prototype shown is this video was made to check is the screw propulsion was possible. N
7 سال پیش
در تاریخ 1396/06/14 منتشر شده
است.
47
بـار بازدید شده