Technique Articles - Page 3 of 4 - Small Boats Magazine
The inner tube has more than enough length to get water out of a boat with 6' beam. The hose is set up without twists to assure the unimpeded flow of the water.

A Hose for a Bilge Pump

Repurposing a bicycle-tire inner tube

The manual bilge pump that I use for my kayak isn’t very useful aboard my other boats. Without a hose it can’t get the water from the centerline some 3’ to the gunwale and overboard. My other pump, the one with a hose attached, went missing one day and I came up with a way to add a nice long hose to my kayak pump. I had an old bicycle inner tube that was just the right diameter to stretch over the spout of the pump. As a hose, it worked like a charm.