Keep it green: pedal power is fantastic for the environment and your health. a fun activity for the whole family. hire a pedal boat in amsterdam. the bicycle may be amsterdam’s most emblematic form of transport, but the pedal boat is its humble cousin. in fact, in dutch it’s known as waterfiets: literally ‘water bike’.. Projects on pedal-powered boats. david witt between the years 1985 and 1999 i supervised 35 people on final-year projects relating to pedal-driven river-boats. now, five years into retirement, it seems a good idea to report what we got up to.. For sale