Sgt. Stiglitz
Well-known member
Here is what I did to mine. My bottom curved also and I couldn't figure out how to do a flat bottom either till I saw others here what they did......I built my gas tank into the middle bench area. If I need to remove it, all I have to do is remove a few screws and pull up the decking........It gets fill through a twist off cover.........
https://www.tinboats.net/forum/viewtopic.php?f=21&t=15880
https://www.tinboats.net/forum/viewtopic.php?f=21&t=15880