After reading a bicycle-powered hydrofoil build we posted a few days ago, [James] sent in the project that earned him an iron ring from Dalhousie University in Nova Scotia, Canada. It’s a pedal ...

The biggest stories of the day delivered to your inbox.

The Manta5 is a hydrofoil water bike. It's powered by a 400-watt ... you go with electric pedals or pedal manually. A propeller moves it forward, like a boat. Top speed: 12 mph.

After reading a bicycle-powered hydrofoil build we posted a few days ago, [James] sent in the project that earned him an iron ring from Dalhousie University in Nova Scotia, Canada. It’s a pedal ...