judge_roy asked a2010 Bentley Brooklands Coupe General
about a year ago
Who Can Help Me With A "radical" No Gasoline Vehicle.
Since collectively Americans spend a lot of money on exercise, why not capture all that energy for use in your buggy, to get to the store? My design exercises all four limbs, put just as much work as...
58 viewswith23 answers(last answer about a year ago)