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