I considered this, but the extender only gives an extra 3 feet at most. The canoe is 17 feet tip to tip. That means 10 feet of very heavy canoe is hanging off the back. The center of mass will be hanging off without support.
The ladder rack suggested above might be the ticket, though.
Unless...
We're moving house and I've got a 17 foot, four person, aluminum canoe that I need to move 40 miles to a new location. It's huge. The last time I had to move it, I had a different vehicle with a roof rack. Now I've got my Hybrid Maverick and I'm not sure she's up to the task. I've seen photos...
I am looking for the dimensions or maybe a CAD file for the center console cup behind the cup holders. I want to print an insert that will keep my chapstick vertical, but I don't even know what to call it to begin to search for a file to work with.
If not a CAD file, maybe even an STL or OBJ...