What size propeller do I need for a 25 foot Sea Ray with a 454 motor and a Bravo 1 out drive?
by 
Cassandra
ANSWERS: 1
-
Choosing the correct prop depends on many factors. How heavy you normally load the boat, whether or not you use it for skiing or just cruising, etc. The props diameter can be found by measuring the distance from the center of the prop shaft to the bottom of the cavitation plate. This is the radius. Double it to get the diameter, then subtract about 1/2 inch for clearance. The other number to find is the "pitch". The correct prop pitch is the one that let's your motor operate at it's designed rpm at wide open throttle during use, this is where loading and passengers come into play. The folks at Sea-Ray have some valuable info on their site, and may be able to help you find a good starting point.
RELATED QUESTIONS
Copyright 2023, Wired Ivy, LLC