Got bored and crossed a Gyrocopter, a Helicopter, and a Pontoon Boat.
Hover is set up to set the altitude at which the creation hovers. (x+1)*5
This results a range of 0 to 50 for the altitude.
The pusher props also include some yaw control, and are the main power for propulsion in boat mode.
the small ski landing gear keep the pusher props from hitting the ground when on land, too.