Tandem is the way to go! *My Gruman 16'CC was light and had a single axle roller trailer. *I liked it a lot both backing up and the ease of getting the boat off and on. *My trailer now for the V20 is a tandem bunker. *I like having two tires on each side incase of a flat. *Longer cuts going backwards and I have to go deeper into the water to launch. *I too use two lines when launching or hauling out. *Here's a photo that shows trailer's position at haul out. *Bill Mc ;D
