My first tandem, V3, on the Chena River, Fairbanks, Alaska. It was hard to keep the air pressure up ’cause I didn’t have a top-up valve installed. And the water was a lot colder than the air! As such, you can see some wrinkles when I move forward in the raft. Obviously, if one makes an even longer tandem, which is easy to do with the parallel tubes, then it can be harder to keep the side tubes stiffly inflated!
