Posted by David on August 20, 19103 at 16:31:48:
In Reply to: rooster tail posted by SteveA on August 20, 19103 at 14:43:49:
I don't know about the full size ones, but on my model speedboat, it the prop that makes the roostertail. When the boat is up on plane, the prop is only half in the water, skimming along the top, I presumed that was what made the roostertail.