Prop for Proboat Impulse 31

[MrSTUDofRC]

I have a 42mm prop on the boat now with a 1800kv motor. The boat has updated cooling. I want it o go a lot faster. How much bigger can I make the prop before I risk burning out the motor or ESC even with updated cooling?

[JimClark]

moving your thread to the Impulse 31 forum. Search here for loads of info on your boat
http://forums.offshoreelectrics.com/forumdisplay.php?66-Proboat-Impulse-31-Deep-Vee-Q-amp-A