What do the numbers stamped on a prop mean?
These dimensions are used to describe the propeller, usually in inches, and always stated as diameter x pitch. For example, a propeller described as 14.5 x 19 has a diameter of 14.5 inches and a pitch of 19 inches. These dimensions are often stamped or cast right on the propeller.
Can you Repitch an aluminum prop?
Propellers made from aluminum, stainless steel, nibral and bronze can be repitched. Propeller pitch can be changed to a higher pitch (up) or a lower pitch by up to TWO degrees.
Are Quicksilver and Mercury props the same?
Quicksilver propellers are Mercury’s aftermarket brand and are made in the same factories, from the same molds, they are just stamped different. The most accurate comparrison would be Chevy and GMC, they produce the same products, only the branding is different.
How do I know what size my prop is?
Propeller Sizes are given in a set of numbers, e.g. 13×17 or 19×23 usually labeled on the propeller. The first number is the Diameter (width of the circle of the blades) and the second is the Pitch (theoretical travel distance of the angled blades in one revolution). Two other design features include Rake and Cup.
How do you tell what prop you need?
The proper propeller size for your boat and engine combination is based in part on the wide open throttle (WOT) operating range for your particular engine. You can find this in your operator’s manual, expressed in terms of a certain horsepower at a certain r.p.m.
How do you cup a propeller?
Cupping or adding a cup is a pretty simple geometric change of the trailing edge of the propeller blades. This is done by bending the propellers blades’ trailing edge towards the pressure face (blade surface facing aft) thus resulting in an edge with a noticeable curve. This curved area is called “cup”.
Are Mercury and Honda props interchangeable?
Generally speaking Honda’s take the same props as a Merc with some differences in the thrust washer – can’t remember the details but Yami props are a definite no-go. I had a set of Honda props on my Yamaha 130’s. They worked great. Try a hub kit (around $40) and I think it will work.
What are the numbers on my prop?
Two numbers are used in describing the size of a propeller. One describes the diameter and the other describes the pitch. Diameter is always the first number listed. A 24 X 20RH prop has a diameter of24″.
Can an aluminum prop be repaired?
A typical repair to an aluminum prop will cost $100 to $150, but expect to pay $200 to $400 to repair a stainless steel prop. It may be more cost-effective to simply replace a damaged aluminum prop, but when a new stainless prop costs $400 to $700, the repair makes economic sense.
What is part number 8800045 for a new propeller?
Boat part number 8800045 is a new 3 blade, 13 3/4 inch x 15 pitch right hand propeller from Mercury Marine, Black Max series, part number 48-77342A45 . Commonly found on Avalon Boats, part number M115 . Includes Flo-Torq II hub assembly kit Mercury part number 835257K1 . For good overall performance and value, the Black Max is your prop.
What is the part number for a black Max prop?
Boat part number 8800045 is a new 3 blade, 13 3/4 inch x 15 pitch right hand propeller from Mercury Marine, Black Max series, part number 48-77342A45. Commonly found on Avalon Boats, part number M115. Includes Flo-Torq II hub assembly kit Mercury part number 835257K1. For good overall performance and value, the Black Max is your prop.
What size propeller do I need for my mercury boat?
The Black Max aluminum propellers are standard equipped on most boats with Mercury/Mariner/MerCruiser power. Recommended for use on boats with up to 250 HP and with a top speed of less than 50 MPH. 13 3/4 inch x 15 pitch right hand rotation.