Replacing a damaged starter and ring gear on a 180hp o360. Removed the prop and found a couple of rounded nuts on the mounting flange for the prop..Needing to order replacement parts and didn't write down the stud size for ordering the right castle nuts....anyone remember if they're 7/16 or 1/2 " studs?thanks guys!
1946 Aeronca Chief....sold
1947 Aeronca Chief....sold
Carbon Cub SS
Rv6a....io360...800 hours. Dues paid thru Dec 2017