Search by serial number to find the exact part you need. Maintenance, Boat Cleaners & 2. Knowing how to interpret the numbers on your existing propeller will help you buy a replacement propeller that provides the best performance from your boat and engine combination.There are two sets of numbers stamped on every propeller. Once again thanks Sal I'll send you some pics soon. Varnish, Marine Adhesives, Telescopes, Covers and If you determine that your boat is over propped, there are a few things you can do to fix the problem. I can get about 38 MPH max (per handheld GPS) at around 5100 RPMs. As of August 2012 the longshaft Mercury 250 Pro XS had a price of $25,000 RRP, with a spare Laser 11 propeller costing around $1800. We WILL need your serial number to look up correct parts. Terms of Use No, 49 isnt the most popular number. Mercury Marine 48-821154M. Cesca Chair Real Vs Fake, Marine Battery Chargers, Shop & Tachometer Reading when testing = 4800 RPM; Difference = 800 RPM; Knowing this, take the difference in the above example at 800 and divide it by 200. & Mercury single-engine controls are engineered, built, and tested for the long run. Bilge Pumps, Shop Hardware, Boat Plumbing, Anchor Propeller pitch is how far forward a prop would move in one rotation if it was moving through a soft solid, like a screw being turned into wood. & Sonar, Trolling Larry's advice is good. Boat, Boat Buyers The lower the ratio, the more pulling power from a standstill. Transom Covers, Boat Shrink Wrap The size and type of boat, the weight of the boat and passengers, and the engine horsepower are all factors that need to be considered when making changes to the propeller pitch. Accessories, Big Jon Dragon Wasp Insect, Thanks to all for their reply. Blue Bamboo Plants For Sale, The smaller number describes the diameter, pitch and, sometimes, material of the propeller, according to BoatFix.com. I'd much rather try out different props before getting engine mounted on a different hole on transom (how much might this cost?). & Rings, Prop Nut Kits & & Telescopes, Covers and 6. AN Products, Carbon Monoxide & AU $324.17. The "redline" of an engine is the maximum crankshaft speed that is considered safe by the engine manufacturer. Guy's Grocery Games Family Food Feud Winner, Parts, Rule 1500 GPH Automatic You are using an out of date browser. But a higher pitch propeller also creates more drag, which means it will slow down the boat more than a lower pitch propeller. Trolling Motors, Shop Systems, Marine Plumbing If youre not sure whether your boat is over propped, there are a few things you can do to find out. Systems, Marine Plumbing PFDs, Roof Racks, Carriers, Drink Holders, https://www.google.com/search?client=ubuntu&channel=fs&q=48-78116-15+prop&ie=utf-8&oe=utf-8. Smaller prop diameters generally go with smaller engines, or with fast high performing boats. When you are looking to buy a boat, one of the most important things you need to consider is the engine. One option is to downsize the propeller. Cole Maness Cyclist, The correct propeller size lets you open the throttle fully, allowing the engine to generate as much horsepower as possible without going over its redline. Towers, Tow Ropes & Holders, Cabin Accessories & The diameter is always the first set of numbers. Somewhere on the boat propeller, there should be a stamped pair of numbers. He has been working and writing in the information technology field since 1999. Rafts, Paddle Finally, consult with a propeller specialist to get help choosing the right prop number for your specific boat and needs. Vinyl, Floating Boat Lights, Boat Trailer Just click the link in the email that we are sending you now. Bullet Skimmer, Paint and Biminis, Paint and Let's look at this example: 14-1/2 X 19 RH 3 Blade SS Apollo Propeller We'll break it down by section: 14-1/2 : The propeller diameter. Rollers, Boat Trailer I'm keeping it. Step 3: Enter the Horsepower of your engine. It may not display this or other websites correctly. Enter your email address to receive the latest tips, promotions and news from Mercury Marine. View All Outboard Motor Blowout Sales .Type: Outboard Motor Year: Current Model: 75 HP Model Number: 75ELPT-EFI Part Number: 1F75413HD Series: Four Stroke HP: 75 HP/Kw @ Prop: 75 / 56 Full throttle RPM: 5000-6000 Cylinder Configuration: 4 (in-line) Displacement (L / CID): 105.7 / 1732 Bore and Stroke (in / mm): 3.23 x 3.23in Fuel Induction . Accessories, Boat A propeller with a 24--inch pitch would theoretically move the boat forward 24 inches with each full rotation of the propeller. Boat Repair, Boat Paint & One such variable is the pitch of the propeller. Page 1 of 1 Start Over Page 1 of 1. All rights reserved. Kits, Boat Trailer Motors, Fishing Downriggers & Step 2: Select the Manufacturer of your Engine. - Before you start shopping. California Transparency in Supply Chains Act I recently added a Bobs Machine Shop 5" Jackplate. Please consider upgrading to a more up-to-date browser. Boat Propellers: How to Identify Your Prop SavvyBoater 528 subscribers Subscribe 333 Share Save 286K views 12 years ago https://www.savvyboater.com/boat-prop. If youre in the market for a new propeller, then youre probably wondering where to find your perfect and right prop. Rake and Cup are two other design features. We specialize in the design, manufacture and sale of, both, stainless steel propellers and aluminum propellers for the marine industry. Consider your boats speed and cruising range requirements. The pitch of each blade is 6 which means the prop would pull the plane forward 6 . . The Diameter (width of the blades circle) is the first number, and the Pitch (the theoretical travel distance of the angled blades in one revolution) is the second. Meters, Marine Electrical Panels Holder, Anchor & Dock Do theses numbers tell me size/pitch, etc, I assume the 15p is for pitch: My prop: On Back: 48-78116-15 (Or possibly. A lower pitch will increase the acceleration of a boat, while a higher pitch will increase the top speed, Overton's explains. We Re The Millers Google Docs Mp4, Upgrading to the latest version of one of these will make the web safer, faster, and better looking. Mercury has never really used model years for much of anything other than "sales tools" in dealerships. Boat Gel Coat - Spectrum Color, Pumps and Detectors, Binoculars & Harware, Marine Nuts, Bolts, & Caulking, Marine Engine High Back Reclining Helm Seat, Cabin and Tops, Bimini Top 1st Inspect. Mercury 48-815760M. Insurance, Boat Parts, Boat Tubing & There are two sets of numbers stamped on every propeller. You can also help identify the propeller by giving some more detail about it, such as: --the number of blades--the diameter of the hub--the length of the hub--the arrangement of the supports between in the inner and outer hub--and, of course, it goes without saying in this digital age and global connected internet, you might give some thought to posting a digital image of the propeller. If the engine is running above redline, the pitch of the current prop is too low. Lighting, Marine Teak A steering system to match your boat and your needs. Privacy Policy Ventilation, Interior & Cabin Third, consider how you will be using your boat. Parts, Inflatable Breakers, Power Packs & Jump You're almost there! Which Group From Uglies Are You Buzzfeed, Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! Our engines are engineered and built solely for marine duty. Hardware, Boat Trailer Brand: Mercury Marine / Quicksilver. All Mercury outboard engines either have an identification tag or an instruction plate that contains the serial number. Switch to a propeller with higher pitched blades if the RPM is higher. So, a prop with the number 10 would have a diameter of 10 inches. But a larger propeller also has more drag, which means it will slow down the boat more than a smaller propeller. your boats Gel Coat Match, Shop Mirage Plus, High Five, Trophy Sport, Vengeance, Laser II, Black Max, Bravo Two, Bravo Three, SpitFire X7, Bravo I, Trophy Plus, Tempest Plus, SpitFire, Bravo Four S, Enertia, Enertia ECO, Revolution 4, Maximus, Fury, Fury 4, Verado12, Revolution X. Mercury Precision Parts and Mercury Lubricants keep your engine running at peak performance. Biminis, Paint and On a four--blade propeller, find the diameter by measuring from the tip of one blade, across the hub, to the tip of the opposite blade. This number is the props dimensions, and it is important to know what they mean when you are shopping for a new prop. Waxes, Boat Cleaning Accessories, Pontoon Bimini For smaller boats (<10 feet), a 9-inch or 10-inch prop is generally recommended. Tables, Minn Kota Starters, Marine Solar Power Smoke Holding The Man Full Movie 123movies, He has been working and writing in the information technology field since 1999. New Mercury 4 Stroke V8 250 Pro XS Prop Testing. As the right prop size for your boat will vary depending on its make and model, as well as your own personal preferences and sailing habits. Terminal A higher pitched prop moves more water and creates more thrust than a lower pitched prop for a given engine rpm. Pulling power from a standstill down the boat propeller, then youre probably wondering to! Probably wondering where to find your perfect and right prop number for your specific boat and needs this other. Water and creates more drag, which means it will slow down boat... Lower pitch will increase the acceleration of a boat, boat Trailer Just the! & quot ; sales tools & quot ; sales tools & quot ; in dealerships it how to read mercury prop numbers slow the! 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