Dis-placement only.
That looked like an early version of a kite surfer behind it.
I can tell it was an early version because it hadn't evolved boardies over the wettie yet.
Ha!! That's lake where I started for me!
They used to waterski behind this beast!!
Select to expand quotewilliam said..
Ha!! That's lake where I started for me!
They used to waterski behind this beast!!
They do in the video, with some bloody big skis too! xD
Hmm,.. the old 'straight eights' eh?
They were never very popular. Used to break crank shafts.
Maybe they could try a V8 instead. 
Actually, considering how unwindy it looked, I think they were going pretty fast. 
