nearly 3 and a half km/h
++
I think there's a 0 missing there, or a mistaken conversion. 3.5km/hr is slow walking-speed!
speed boat
According to a remote control blog,the fastest rc speed boat is a C-1 boat, powered by gas, which can reach up to 200 mph. http://www.xenonproject.com/blog/worlds-fastest-rc-boat/
the world's fastest speed boat is the spirit of australia
The Spirit of Australia was the vessel in which the current water speed record was set, making it the fastest boat ever.
The fastest one is the 9ff GT9R with a top speed of 257mph.
it is 280Mph
"L'Hydroptère, the huge Hydrofoil Tri , with a jaw-dropping 47+ knot top speed, is the fastest sailing boat in the world."
What is the fastest water craft in the world?
whatever the top speed of a canal boat, the maximum allowed is 4mph or 2mph when passing moored boats
The worlds fastest production car, the Bugatti Veyron Super sport, has a top speed of 267 mph. The land speed world record is held by the Thrustssc, it achieved a top speed of 763.035 mph.
Dodge Tomahawk
On top speed Bugatti