At 9/20/2007 10:55 AM -0700, Tam Pham wrote:
>It'd be more useful if they built outrigger pontoon attachments for the bike
>as you'd be able cruise lakes like an airboat!
At 9/20/2007 05:13 PM -0400, Stronglight49@aol.com wrote:
>But, whatever the purpose, with
>successful designs, the engine (your legs) always was directed to the most
>effective use: moving air for flight, displacing water for boats
>and simply turning
>wheels on the ground.
Lots of drag on a water prop. It may be more efficient to displace
air to move through the water. At least when dealing with small
amounts of power and hull drag is low.
The fastest human powered boat has an air prop.
http://lancet.mit.edu/
Mark Stonich;
BikeSmith Design & Fabrication
5349 Elliot Ave S. - Minneapolis. MN 55417
Ph. (612) 824-2372 http://bikesmithdesign.com
http://mnhpva.org