I have a 1976 35' Viking with 350 HP each engine. Carburetor motors. Has any one ever switch to 4 bladed props? and if so what diameter and pitch did you find worked best Any info. is greatly appreciated. Thanks, Jetawave
I did the same thing on the same boat and switched back to the 3 blade because they were faster. the 4 blade got me on plane faster, but the cruise speed was lower
Thanks, RT46. I appreciate you help. Do you think that by increasing the pitch on the 4 bladed would of increased you cruise any ? Do you happen to remember what the Diameter and pitch was of the 4 bladed? Thanks, Jetawave
3 blades or 4 blades, the diameter and pitch remain the same. Better know what you're doing before you start adding pitch and load on those old gas motors.
yes, that was what I had. but I changed back to the 3 blades, the three blades had overall better performance.