Im not a beginner but I figured this would be a great place to ask. Im running an OS 75 AX. I bought the plane used and realized the backplate on the aluminum spinner was crasked in four directions. Do you guys use plastic spinners on motors this size. I saw where they dont recommend plastic spinners over 14000 rpm but I shouldnt be hitting that. It has a 13x7 on it right now but will soon get a 14x4w. With using a wide prop its easy to trim a plastic spinner. What size spinner would you guys recommend? The one that was on it was a 2-3/4. Im not sure if it needs one that big. Or is the size more for looks. I dont mind buying a new aluminum one but I want to fly tomorrow and the LHS doesnt have aluminum ones that big. Please help!!!!!!