Hehe... "In 1919, when Alexander Graham Bell was testing his latest hydrofoil, the HD-4, on the Bras d'Or lakes in Cape Breton...", seen here:
So hydrofoil tech has been "in development" about 100 years...
Problem? Can't trust "stuff" not to float around in water.
On shore, actually have sailcover cloth bits now to form what sailors call a "spanker" sail. To add assist to the electric assist on my trike. Can't have kite strings chopping the heads off pedestrians.
ES changed my life (for the waaaaay better).
Eff. June, 2014 Phoenix Ebike Promotions
(Current ride? High speed lawn chair.)
Phoenix Ebike Promotions conversion kit (work in progress. More drink holders, etc etc)
Joined yer local chapter of EA yet?
(Ebikers Anonymous - Where we're all miserable failures, but the parties are hilarious...)