Hey ok here is my boats info: Its a 2004 traxxas nitro v, deep v hull, uhh dont worry about the rocks cuz its just the dock area where its shallow, uhh someone asked if it was a flex shaft or a somethign shaft dont know really its plastic and bends so maybe a flex ? :huh: shaft, umm if u go to traxxas.com they give all the info, maybe u can find something that i couldnt get, but yea thats it so maybe u can reccomend a prop now that ive given u the info?