how to read mercury prop numbers

Parts, Rule 1500 GPH Automatic If you have your serial number parts lookup is even easier, use the serial number lookup box at the top of each page to go directly to your engine, drive or transom. Battery Charger, Marine Audio & Distribution, ProMariner ProNautic Covers, Other Professionals, Boat Topics and Questions (not engine topics). So i got in and out real quick! For larger boats (10-20 feet), a 12-inch or 13-inch prop is typically best. Biminis, RV & Trailer How much does it cost to dry clean a goose down comforter. Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. Clean, quiet power that moves you. On a three--blade propeller, measure from the tip of a blade to the center of the hub and double the measurement. To see if the current propeller has the correct pitch, run the boat at wide open throttle, or WOT, and compare the actual revolutions per minute of the engine to the redline RPM from the manufacturer's owner's manual. Another option is to go through a retailer like West Marine. https://www.savvyboater.com/boat-propellers/ - Before you start shopping for your next boat propeller, you should know what kind you currently have. Consider your boats speed and cruising range requirements. Acessories, Fish Cleaning I am going to test it in 'real world' conditions, i.e. The number following the X is the diameter, also in inches. Qiclear 14 1/2 x 19 Pitch 48-832830A45 Upgrade OEM Aluminum Boat Outboard Moto Propeller fit Mercury Engines 135-300HP&Mercruiser Alpha One Propeller,Hub Kits Included, 15 Spline Tooth,RH . Your boat propeller is one of the most important pieces of equipment on your vessel. One thing you can do is check the size of your propeller compared to the size of your engine. All rights reserved. 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. The Mercury Propeller Selector tool on MercuryMarine. JavaScript is disabled. There IS a number SOMEWHERE on the prop. Find your ideal Mercury Prop in 5 steps or less. Terminals, Marine Fuse Blocks & Deals, Boat Seats This measures how far each blade travels forward per revolution and affects speed and torque. Is 49 a popular number, yes or no? Make sure to select the correct prop for your boats size and weight. propeller length from tip to tip. Parts, Sacrificial Anodes & If the engine speed is above the manufacturer specified redline, engine damage will result. Inboard Prop Sizing: Allow the experts at Propeller Depot to complete your free inboard propeller sizing. 19" sounds like just what you need. Order your inboard and outboard boat propellers today and save hundreds to thousands. Engine Serial Number: The serial number tag is located near the starter, by the flywheel housing; or, on the rocker arm or flame arrestor cover. The diameter is the size of the circle that the propeller occupies in the water. Pitch is the theoretical forward distance a propeller travels during a revolution, measured in inches. Propeller size is expressed with two numbers, diameter and pitch, with diameter always stated first. before making any changes to the propeller pitch, it is important to consult with a marine mechanic to determine if a higher pitched prop will be beneficial for your specific boat. Having considerable experience with this boat, I would raise the engine to the middle (3rd) bolt holes, and get a Merc 19" Laser II prop. But what about the propeller? Historical Romance Where Hero Is Mean To Heroine, I tested it in a restricted area briefly, the tachometer read 5700 RPM's, the gps showed 45 MPH over ground. How does that affect how fast your boat can go? Step 3: Select the HP for your marine engine. & Rings, Prop Nut Kits & It also helps with handling and acceleration. Terminals, Marine Fuse Blocks & Transom Plates: The serial number tag is located on the inner transon plate inside the boat; or, on the upper swivel pin. Blue Bamboo Plants For Sale, Here are some tips to help you select the best prop for your vessel: 1. Winches, Boat Motor Supports & Matching the propeller to your application, whether cruising, water skiing or performance, maximizes the power from your engine. Porpoising (bow oscilation) has been dramatically reduced as well. Parts, Wash Down This will help you choose a prop that is compatible with your vessel. Protection, Ladders, Steps, & Rafts, Paddle Covers, Boat Seat Find top brands, compare products, read reviews & get the best deal Ladder Stand-off Mate. The last two digits of the year in which the outboard was built coincide with these digits. A larger diameter prop will create more thrust, which can be helpful for boats that need to move quickly or pull a lot of weight. Guy's Grocery Games Family Food Feud Winner, I tested it in a restricted area briefly, the tachometer read 5700 RPM's, the gps showed 45 MPH over ground. Account . All, Boat Bimini The distance from the hubs center to the tip of any blade is two times that of a blade. Tops, Other AN Required fields are marked *. Since it's a Merc product I asssume it's actually 21" of pitch. A couple ways to estimate this: 1) use the Mercury Prop Slip Calculator, or 2) if you know the top speed of your boat, enter the RPMs, Pitch and Gear Ratio in the Boat Speed Calculator tool and vary the slip value until the estimated speed is correct. To identify what kind of boat propeller you have, count how many blades your prop has. Is Love Enough Sir Subtitles, Hardware, Boat Direct Replacement: The 14 diam. Boats, Propeller Parts & Racks, Fish Finders, Sounders (11) 11 product ratings - Mercury New OEM Spitfire 4 Blade Prop 10.3x13 Propeller 48-8M8026630 40-50-60hp. Covers, Boat Seat Aim for the middle or higher end of the recommended operating range. Make. Varnish, Marine Adhesives, 1. Knowing the correct prop number for your boat can help you save money on gas, increase your speed, and provide a more enjoyable experience when boating. Boat, Sell A & Tops, Bimini Top & Circuit Winches, Boat Motor Supports & Upgrading to the latest version of one of these will make the web safer, faster, and better looking. So you might want to get a 21" pitch, and a 19" pitch. It's a 15.25" x 15" 15P aluminum 3blade prop. Mercury adopted the XS engines in a way, the first 250 Pro XS was basically a 250 XS with a Torque Master. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. It is a Mercury prop if the number starts with 48. Each built the only way we know how. Switch to a propeller with higher pitched blades if the RPM is higher. Platforms, Slide How To Get Rid Of Giant Ameiva, You're almost there! Meters, Marine Electrical Panels Thought I would find the diameter and pitch on the hub, but only find this number; 48 77350 A40 23P
Both props have the same number. Trailer Winches, Shop Smoke All rc propellers are designated two measurements, traditionally given in inches. The final option is to search online for aftermarket propellers. Covers, Boat Cover Telescopes, Covers and Videos. 4. Biminis, Paint and Galley, Covers and Make sure this fits by entering your model number. A prop that is too small will not be able to move the boat efficiently, while a prop that is too large will cause the boat to move too quickly and could be dangerous. Something else to look at is rotation. No, 49 isnt the most popular number. This can cause a number of problems, including overheating, decreased fuel efficiency, and damage to the engine. Pumps, Livewell Aerator Pumps Buy this product to earn $0.42 in Store Credit. Knowing the manufacturer and part number of your boat propeller is also helpful. (Actually it has never been used, just old).It is for my 1988 Boston Whaler 15 Super Sport with Yamaha 70 HP 2-stroke. Seats, Offshore Boat He has been working and writing in the information technology field since 1999. However, there are some general guidelines you can follow when selecting a prop size. The dimension and pitch of your prop can affect how your boat performs. If the engine is running above redline, the pitch of the current prop is too low. Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! double tap to read brief content. Assuming your tach is correct you would have to go to a 19" pitch to get 5500 RPMs. Accessories, Pontoon Bimini For example, if youre looking for a high top speed, youll need a different prop than if youre looking for good fuel economy. Boat Repair, Boat Paint & If the engine is running above redline, the pitch of the current prop is too low. Boarding, Paddles & A higher pitched prop moves more water and creates more thrust than a lower pitched prop for a given engine rpm. OEM Quicksilver/Mercury Prop Exhaust Seal Ring 878421. What do the numbers mean on a mercury prop? Systems, Lowrance Hook2-4 GPS Bullet Skimmer, Paint and Marine Battery Chargers, Shop Thanks to all for their reply. 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. Forums, Find It is a Mercury prop if the number starts with 48. 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. (How much can I trust a tach that reads 1000 RPMs when engine is off?) Aim for the middle or higher end of the recommended operating range. Hemera Technologies/AbleStock.com/Getty Images. Motors, Fishing Downriggers & Breakers, Power Packs & Jump I want to make sure it doesn't vent out in turns or in large swell/choppy conditions. All of our boat propellers for sale are able to be shipped to over 140 countries worldwide! Deals, Paint & Maintenance By 150-200 RPM, each inch of pitch size will change the RPM. Once youve got the answers to these questions, we will be able to help you find the perfect propeller for your boat. Hardware, Boat Seat 3 Easy Steps Grap a pencil and look at your prop. Write down the number on your prop. Holder, Anchor & Dock If you need a 19" pitch, here are the numbers:Merc 48-78120A40Mich 031026SOLAS 1511-148-19, 19" pitch Load range 1800-3000, speed 41-48, 21" pitch, load range 1500-2400, speed 46-52. Oars, Wakeboard, Wakesurf & See Solas Prop Finder Tool for Help in Selecting the Right Prop for you. Switches, Shore Power & AC Ventilation, Interior & Cabin Bullet Skimmer, Paint and So if your serial number is "01234567" you would use only the "1234567" part of it when looking at the chart below If there is no Canadian number listed they were not produced there in that year The pitch of a propeller is how far the blade would move forward in the water during one complete rotation, BoatFix.com explains. First, consider the displacement of your boat. Solas / Rubex Propeller Cross-Reference Guide for Mercury / Mariner . Which Group From Uglies Are You Buzzfeed, Furniture, Boat Seat Pedestals & The prop numbers are usually a set of 2 numbers. Honda 5hp Outboard, Boat Look at the 10th character in the VIN. Larry's advice is good. Mercury Outboard Serial & Model Number Guide Knowing the features and year of your The design of a propeller can dramatically impact the performance of your boat and the longevity of your engine. Seats, Pontoon Boat Seats & The size in the first number is the diameter of the prop. Accessories, Big Jon Vanda Orchid Care In Florida, Mercury has never really used model years for much of anything other than "sales tools" in dealerships. Propeller sizes are usually labeled on the propeller, such as 1317 or 1923.

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