Dave, We had one float tube/kayak combo tourney, and it seemed to work out okay. In the future however, I'm going to try to stick to float tubes only, just because of the unequal vessel advantages/disadvantages. I'd rather just keep it simple. I'll post when we have our next one. It should be in the middle of Aug. sometime. BTW, we launched at 6 and weighed in at 11. -Brian