Originally Posted by Bigbulb56
Hi everyone just joined your forum and just got a valiant 4.9 with a 60hp on the back anyone know what top end speed out of this.
And does anyone know what's the largest hp ot will take....thanks
Tell us which year/model engine and the prop markings and we can give it you theoretically. Others (and you) can then say what is achieved in real life.
People often claim this or that when it's simply not possible with what they've got. It's determined by max rpm, gearbox ratio and prop pitch.