During the last couple of weeks we've had the chance to present the Propeller Helmet to the public in the context of the UN World Environment Days in both Zurich and Basel. Interested people could pedal through the city and expirience the unique vibrations of the propellers and generate juice for their cellphones. Although the helmet immediately attracted passersby's attraction it required a short explanation ... Read More

After several weeks of experimenting and working we’ve been able to finish our works on the propeller helmet and are happy to present it for the first time to the public.   Reverse Jetpack   At first sight propellers seem to offer additional thrust but their function is the exact opposite: the helmet doesn’t push the driver forward but increases the efficiency of applied muscular power while riding our ... Read More

A propeller mounted on a snowboard helmet harvests energy by converting airflow into electricity. There are uncountable possibilities to use that energy once you have a power source on your head. It’s obvious to use it to charge your portable gadgets such as digital camera, cell phone or GPS device. In terms of providing the snowboarder with an immediate feedback and experience of energy harvest, ... Read More