hull size??

well hopin this is the right spot to post this.. this is my first real scratch build.. for a boat atleast! i have a 31cc troy built weedeater motor im gonna build a boat around and i was tryin to figure out a good size for it.. gonna design it after a fishing boat not a speed boat, not looking for high speed just good fun, ill be extatic if it hits 30's so im gonna do a v hull cause i like waves just not shure on size, thanks

I played around with a lot of different weedeater boats. the largest one
I had was a 67" fiberglass deep vee with a 60cc Kioritz. it ran in the mid
to high 40s. something in the 4 foot range should give you what your looking for.
this would be great with that motor, Dumas donzi z65