Thank you for your response!
My boat is the stock setup. For a while, my little daughter and I will run it with the stock setup, so that we are wondering which prop would be better with the stock motor & ESC than the stock prop.
Is this a good one? Here is the link. http://www.hobbyking.com/hobbyking/s..._P1_4_M4_.html
I want to figure out the shaft hole diameter of this prop, but it says "M4".What does this mean? Does this need balancing and sharpening?
If you don't mind, could I ask one more question, please? Does a 2 blade prop with a little more pitch but in the same diameter as the stock 3 blade prop hurt the ESC & the motor?
Thank you again for your attention!