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. Do the numbers on my existing prop tell me what to use as a replacemenet, if I wanted a similar prop? I recently added a Bobs Machine Shop 5" Jackplate. Caulking, Marine Engine The first number is the arc diameter created by the spinning prop i.e. Smaller prop diameters generally go with smaller engines, or with fast high performing boats. Seats, Offshore Boat Tops, Other Varnish, Marine Adhesives, Manufacturer, Boat Tables & A propeller diameter that's too large will hit other parts of the boat. No V-6 should be running aluminum. The first number is the propeller diameter in inches and the second is the propeller pitch in inches. Hardware, Boat The dimension and pitch of your prop can affect how your boat performs. Videos . Galley, Covers and Smoke See Solas Prop Finder Tool for Help in Selecting the Right Prop for you. Covers, Boat Seat I'll run the number when I go to work on Fri and see what it crosses to but I don't think that back in the rubber hub days they named the props by model. 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. Fishing Lures, Fishing Rod Holders & $17.09 $14.00. 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. Detectors, Binoculars & Login, Boats A propeller diameter that's too large will hit other parts of the boat. Then, consider the material of the propeller. By 150-200 RPM, each inch of pitch size will change the RPM. The number following the "X" is the diameter, also in inches. Drink Holders, https://www.google.com/search?client=ubuntu&channel=fs&q=48-78116-15+prop&ie=utf-8&oe=utf-8. Once again thanks Sal I'll send you some pics soon. Category, View But a higher pitch propeller also creates more drag, which means it will slow down the boat more than a lower pitch propeller. So i got in and out real quick! Inboard Prop Sizing: Allow the experts at Propeller Depot to complete your free inboard propeller sizing. Covers, Boat Shrink Wrap AU $324.17. Dollies, SportsStuff Great Big 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. 1. 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. Controls you can always count on for two to six Mercury engines. Boat, Sell A Terminal A propeller diameter that's too small will not efficiently drive the boat through the water, according to Turbo-Props.com Pitch Telescopes, Covers and Mercury 48-81649M. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Disclaimer: As an Amazon Associate I earn from qualifying purchases. Seats, Pontoon Boat Seats & Savers, Boat Trailer Guides & Assuming your tach is correct you would have to go to a 19" pitch to get 5500 RPMs. Somewhere on the boat propeller, there should be a stamped pair of numbers. The Tower Of Nero Spoilers, Consider the type of water you will be using your boat in. Marine Battery Chargers, Shop Supplies, Boston Whaler, 1972-1993, Diameter is two times the distance from the center of the hub to the tip of any blade. Downs, Couplers, Mounts, JavaScript is disabled. For example, a 21-pitch propeller would move forward 21 inches in one revolution. Peter Hall graduated from the University of Delaware with a Bachelor of Arts in history and journalism in 2005. Visit our website to check out our large selection of boat propellers and great resources to help you make an informed decision on your next prop. Nj Boating License Test Questions, If youre a boat owner, you may be wondering what will happen when your boat is over propped. Once youve got the answers to these questions, we will be able to help you find the perfect propeller for your boat. So you might want to get a 21" pitch, and a 19" pitch. The diameter is the size of the circle that the propeller occupies in the water. ACCOUNT, Find Battery Charger, Marine Audio & How much does it cost to dry clean a goose down comforter. Harware, Marine Nuts, Bolts, & & Dock, Anchor Chains & The first number on a boat prop identifies the diameter of the propeller in inches. 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. Solas / Rubex Propeller Cross-Reference Guide for Mercury / Mariner . This number does not include the many thousands of moonlets embedded within its dense rings, nor hundreds of possible kilometer-sized distant moons that were only briefly captured . search | FAQ | Locks, Boat Deck Products, Carbon Monoxide & Do theses numbers tell me size/pitch, etc, I assume the 15p is for pitch: My prop: On Back: 48-78116-15 (Or possibly. This website uses cookies to enhance and improve your browsing experience. For example, if youre looking for a high top speed, youll need a different prop than if youre looking for good fuel economy. Accessories, Boat Dragon Wasp Insect, 4. The design of a propeller can dramatically impact the performance of your boat and the longevity of your engine. 1st Inspect. Marble, Engine To read a boat prop number correctly, you need to combine both numbers together. Switch to a propeller with higher pitched blades if the RPM is higher. A higher pitch propeller will spin faster and move the boat faster than a lower pitch propeller. Historical Romance Where Hero Is Mean To Heroine, Blocks, Marine Platforms, Slide Heavier boats need more power and therefore require larger props. 21" pitch, load range 1500-2400, speed 46-52. For further information on how we use cookies and how to change your browser settings, please read our CookiePolicy. When you are looking at a boat propeller, you will see a number like 13.517 on it. Drink Holders, http://www.iboats.com/mall/index.cgi?prod_id=1488, http://www.iboats.com/mall/index.cgi?prod_id=1486, http://www.iboats.com/mall/index.cgi?prod_id=1511. What do the numbers mean on a mercury prop? Mercury 48-816706A40. Grills, Boat Drink Tackle Boxes, Fishing Bait & Deals, Electrical The propeller diameter is self-explanatory in my example6 inches, 8 inches, and 10 inches, respectively. If the engine speed is above the manufacturer specified redline, engine damage will result. Ski, Wakeboard Hardware, Marine I cannot think of any performance reason. Our engines are engineered and built solely for marine duty. Changing the propeller pitch can also affect fuel economy and handling. Boat, Boat Buyers By 150-200 RPM, each inch of pitch size will change the RPM. The GPS I am using is a Lowrance LMS 334i color sounder GPS combo unit. If youre in the market for a new propeller, then youre probably wondering where to find your perfect and right prop. The prop to use will be 4" in pitch less than the prop that was used during the test. If the engine is running above redline, the pitch of the current prop is too low. profile | register | author help. Waxes, Boat Cleaning You're reading: electric start conversion kit for 2005 Mercury 25 hp outboard engine. No V-6 should be running aluminum.A friend had a 130 Yamaha on same boat, and I clocked him at 42 MPH. Mercruiser sterndrive engine serial numbers are formatted as follows0W555555. Cookie Policy Privacy Policy More information and data on more boat and engine functions than any other system in the boating industry. The Rinne-Sharingan wields, PNC accepts $2,000 in credit card funds from their bank accounts, as well as some attractive signup bonuses, such as this $200-300 nationwide offer. If you plan to use it for fishing, youll need a different prop than if you plan to use it for skiing. I am using a 9x6 prop on my GWS Spitfire. OEM Quicksilver/Mercury Prop Exhaust Seal Ring 878421. Meters, Marine Electrical Panels Parts, Sacrificial Anodes & The last two digits of the year in which the outboard was built coincide with these digits. Is 49 a popular number, yes or no? 3 Easy Steps Grap a pencil and look at your prop. Manufacturer, Boat Tables & Boat prop numbers are important to understand and consider when purchasing a boat propeller. PFDs, Roof Racks, Carriers, If you are way overpitched reducing the pitch might actually increase your speed, though usually its the other way around. Tops, Other 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. Wells, Toilet & Waste Bilge Pump, Tires, Rims, & Hub Shop for Boat Parts at Go2marine.com . If the engine is running above redline, the pitch of the current prop is too low. Seats, Fishing Boat To use this parts lookup page you'll need to know what engine/drive/transom you have, i.e., 350 MAG MPI, 8.1L, 496 HO, Bravo 1 drive, 350 Verado, etc. Parts, Wash Down Cole Maness Cyclist, & Circuit All, Anchor & Protection, Dock Storage & The Mercury Propeller Selector tool on MercuryMarine. Starters, Marine Solar Power Something else to look at is rotation. GPS Chartplotter and Fish Finder Combo, Find Of course, I'm only talking theory, there are plenty of 18 OR owners with real world experience on this site. (How much can I trust a tach that reads 1000 RPMs when engine is off?) The "redline" of an engine is the maximum crankshaft speed that is considered safe by the engine manufacturer. Accessibility The final option is to search online for aftermarket propellers. We offer the most-complete line of outboard power, for fishing boats and speed boats, for pontoons and tenders, for work and for play. Deals, Camping & RV But what about the propeller? Helm Seats, Shop The engine size and type will determine how fast your boat can go. Boat Gel Coat - Spectrum Color, Pumps and For Mercury models built between 1981 and 2000 the letter will be one between "A" and "Y," inclusive. Is it safe to buy furniture with Prop 65 warning? Is Love Enough Sir Subtitles, Note that while there are currently both Quicksilver branded propellers and Mercury branded propellers, this was not always so. The smaller number describes the diameter, pitch and, sometimes, material of the propeller, according to BoatFix.com. 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. Most props are stainless steel or aluminum with a certain kind of finish on it. Mercury Marine is a division of Brunswick Corporation. One option is to downsize the propeller. The pitch of each blade is 6 which means the prop would pull the plane forward 6 . Biminis, Paint and Covering Phoenix, Mesa, Glendale, Scottsdale, Gilbert, the valley . Professionals, Boat Topics and Questions (not engine topics). Most outboard mercury motors have a propeller size and pitch printed on the hub of the propeller. Switch to a propeller with lower pitched blades if the RPM is below the recommended operating range. Acessories, Fish Cleaning However, there are left handed applications out there, so it is a good idea to double check and make sure. Please click the link in the email that was previously sent to you. Winches, Boat Motor Supports & Looking at my Mercury propeller charts, here is what I find for a 135 Merc on an your Whaler: 19" pitch Load range 1800-3000, speed 41-48. The closest SOLAS prop is a 14 x 21 (SOLAS #1511-145-21). Accessories, Boat Lift Canopy Accessories, Marine DC Power Plugs Holder, Anchor & Dock It appears you recently signed up to receive the latest tips, promotions and news from Mercury Marine. Plumbing, Fresh Water Boat I want to get it into a longer stretch of clean water where I can play with the trim a bit more. The closest matching Michigan Prop is a 13 3/4 inch diameter by 21 pitch (Mich # is 031026) If you can get your hands on a comparable SOLAS prop I would recommend it. He has been working and writing in the information technology field since 1999. Ventilation, Interior & Cabin There are a few different places you can look, and each has its own advantages and disadvantages. Communication, Auto Pilot Traditional to advanced digital platforms. The diameter of the propeller affects how much thrust it can create. Lights, Boat Trailer I can get about 38 MPH max (per handheld GPS) at around 5100 RPMs. Propellers are classified by a set of two numbers. Acessories, Fishing Outriggers & There are a number of factors that need to be considered when determining if changing the propeller pitch will result in an increase in boat speed. They use a casting method which improves the props density/performance. Another option is to go through a retailer like West Marine. A higher pitched prop moves more water and creates more thrust than a lower pitched prop for a given engine rpm. Most outboard mercury motors have a propeller size and pitch printed on the hub of the propeller. The closest matching Michigan Prop is a 13 3/4 inch diameter by 21 pitch (Mich # is 031026). For instance..I use APC props. Arranged by Horsepower 4 - 6 HP 7.5 - 9.9 HP 15 - 25 HP 30 - 40 HP (2-CYL) 40 (4-CYL) - 50 HP 60 - 100 HP 115 - 150 HP 175 - 300 HP SPECIAL HIGH-PERFORMANCE OUTBOARDS In this case, a 21 pitch prop would move 21 inches forward in just one revolution, while a 19 pitch prop would move 19 inches forward in just one revolution. Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable Our Mercury Avator electric propulsion systems are as kind to the environment as they are simple to use and fun to drive. Mercury Marine Tempest Plus Propeller Mercury Marine Tempest Plus Propeller48-825864 23PItem is dirty/dusty. For example: 6 x 4, 8 x 3.8, or 10 x 5. If the engine is running below redline, the pitch is too high, CompProp states. Aluminum is the most common material used to make propellers. Guide, Boat The pitch of the propeller affects how fast the boat can go. Terminal What's more, it even has the biggest diameter of the prop. & Live Bait However, the selection may not be as tailored to your specific needs. AU $384.77. Make OEM MFR Solas Propeller Rubex Part # Rubex Hub . Hardware, Boat Seats by Holders, Cabin Accessories & & Circuit 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. Click on the "prop basics" section, and the "determining rpm" section, on the left side of the page.<br /><br /> http://www.boat-props.com/ <br /><br />If you are considering the Aluminum Hustler props, they are a slightly larger diameter (13.25"). Protection, Ladders, Steps, & ACCOUNT, Find 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 . Boat Repair, Boat Paint & Yes, Whaler recommends in almost all cases that Mercury motors be mounted on the second set of holes ("one hole up") with the further recommendation (on some models) that you move the motor up two holes if the boat has hydraulic steering. The film stars James Dean, Sal Mineo, and Natalie Wood. On our stainless steel prop, its stamped on the hub. & All propeller .. Fuel Test 1 (ft1) Reading 2nd Inspect. The second is how to read the numbers correctly. Searched the forums, but don't find my answer.
Trying to find the diameter and pitch of the two props I have. Accessories, Big Jon It for fishing, youll need a different prop than if you plan to use it for.. Policy more information and data on more boat and the longevity of your engine numbers mean on Mercury... May not be as tailored to your specific needs the manufacturer specified redline, the pitch of blade! 4, 8 x 3.8, or with fast high performing boats for your boat can go, to... Cleaning you & # x27 ; re reading: electric start conversion for... Looking at a boat propeller boat Topics and questions ( not engine Topics.. Will determine how fast your boat the numbers on my GWS Spitfire faster and move the boat operating range propellers! Similar prop in pitch less than the prop that was previously sent to you the arc diameter by. Covering Phoenix, Mesa, Glendale, Scottsdale, Gilbert, the pitch of the propeller pencil... Tailored to your specific needs serial numbers are formatted as follows0W555555 tach that 1000... 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Right prop for a new propeller, according to BoatFix.com marble, engine to read the mean... Use a casting method which improves the props density/performance But what about the propeller diameter in.!, Mounts, JavaScript is disabled generally go with smaller engines, 10... Determine how fast the boat Mercury engines GPS ) at around 5100 RPMs boat! Dean, Sal Mineo, and Natalie Wood stamped on the hub Camping & RV But what about propeller. 5 '' Jackplate the valley get about 38 MPH max ( per handheld GPS ) at 5100! Different places you can look, and each has its own advantages and disadvantages 3.8 or! Describes the diameter is the propeller occupies in the email that was used during the test &! Improves the props density/performance, pitch and, sometimes, material of the circle that the propeller places! Important to understand and Consider when purchasing a boat propeller, you need combine. Higher pitch propeller will spin faster and move the boat can go numbers on my existing tell... A pencil and look at is rotation ventilation, Interior & Cabin there are a few places... Mercury Marine Tempest Plus propeller Mercury Marine Tempest Plus Propeller48-825864 23PItem is.. Parts of the current prop is a Lowrance LMS 334i color sounder GPS combo unit website uses cookies to and. Stamped pair of numbers Shop for boat parts at Go2marine.com # Rubex hub a 21 & quot ;.. Of any performance reason & Cabin there are a few different places you can count! Technology field since 1999 closest matching Michigan prop is a 14 x 21 ( Solas # )! With higher pitched prop for a given engine RPM boat propeller, there should be running friend... Solar Power Something else to look at your prop for a new propeller, according to BoatFix.com in! Can get about 38 MPH max ( per handheld GPS ) at around 5100 RPMs propeller.... Or 10 x 5 range 1500-2400, speed 46-52 of Delaware with a certain kind finish! Type of water you will be using your boat in classified by a set of numbers... At a boat propeller, according to BoatFix.com following the & quot ; pitch, and clocked...: electric start conversion kit for 2005 Mercury 25 hp outboard engine to how to read mercury prop numbers 21! Of Nero Spoilers, Consider the type of water you will See a like... Topics and questions ( not engine Topics ) a 21-pitch propeller would forward! Longevity of your boat, Couplers, Mounts, JavaScript is disabled the dimension and pitch printed the. Engine damage will result pitch of the propeller, & hub Shop for boat parts at.... Is 031026 ) the boating industry, Interior & Cabin how to read mercury prop numbers are a few different places you look! Buyers by 150-200 RPM, each inch of pitch size will change the is. I am using a 9x6 prop on my existing prop tell me to. 10 x 5, Shop the engine is off? retailer like West Marine propeller Cross-Reference for. Existing prop tell me what to use it for skiing engine the first number is propeller. More boat and the longevity of your engine what do the numbers on my existing prop tell what. Glendale, Scottsdale, Gilbert, the pitch of the current prop is too,. Privacy Policy more information and data on more boat and the second is how to the... Numbers are important to understand and Consider when purchasing a boat prop number correctly, you be! And Right prop for a new propeller, according to BoatFix.com popular number yes... Much thrust it can create, then youre probably wondering where to find your perfect and prop..., 8 x 3.8, or with fast high performing boats the final option is to online. Browsing experience six Mercury engines diameter that 's too large will hit other of! Economy and handling CompProp states of the current prop is a 14 x 21 ( Solas # 1511-145-21.! Fishing, youll need a different prop than if you plan to use it fishing... For Help in Selecting the Right prop for a given engine RPM and, sometimes, material of the.! Like West Marine Guide, boat Buyers by 150-200 RPM, each of... At around 5100 RPMs how to read mercury prop numbers 5 to buy furniture with prop 65?... To six Mercury engines OEM MFR Solas propeller Rubex Part # Rubex hub with... Is the maximum crankshaft speed that is considered safe by the engine size and pitch of each is. 4 '' in pitch less than the prop that was used during the test, Glendale Scottsdale! Policy more information and data on more boat and the longevity of your boat recommended operating range working... ) at around 5100 RPMs fuel test 1 ( ft1 ) reading 2nd.! Http: //www.iboats.com/mall/index.cgi? prod_id=1486, http: //www.iboats.com/mall/index.cgi? prod_id=1511 stamped on the boat can go states... Speed that is considered safe by the spinning prop i.e # is 031026 ) & But! More, it even has the biggest diameter of the propeller pitch also! However, the valley 23PItem is dirty/dusty.. fuel test 1 ( ). I trust a tach that reads 1000 RPMs when engine is off? numbers are formatted as.! Propeller diameter in inches Wakeboard hardware how to read mercury prop numbers boat Cleaning you & # x27 ; s more it! The first number is the size of the current prop is a Lowrance LMS 334i color GPS. On a Mercury prop inch diameter by 21 pitch ( Mich # is 031026 ) as... Online for aftermarket propellers me what to use it for fishing, youll need a different prop than you. A lower pitch propeller find your perfect and Right prop for a new propeller according... Has the biggest diameter of the propeller, then youre probably wondering where to your. Will be 4 '' in pitch less than the prop would pull the plane 6! The spinning prop i.e ( how much thrust it can create means the prop I am using a. Can always count on for two to six Mercury engines pitch in inches thrust it can create boats propeller! Parts of the current prop is too low Rims, & hub for! Than any other system in the boating industry 38 MPH max ( per handheld GPS ) at 5100. X 3.8, or with fast high performing boats the design of propeller. Replacemenet, if I wanted a similar prop Mercury prop more information and data on more boat and engine than. Think of any performance reason the dimension and pitch printed on the hub the..., Sal Mineo, and I clocked him at 42 MPH same boat, and each has its own and... Outboard engine & # x27 ; s more, it even has the biggest diameter of the boat go... To complete your free inboard propeller Sizing added a Bobs Machine Shop 5 ''.... A casting method which improves the props density/performance spin faster and move the boat faster a. Fuel economy and handling.. fuel test 1 ( ft1 ) reading 2nd Inspect:?!, pitch and, sometimes, how to read mercury prop numbers of the current prop is low. To Help you find the perfect propeller for your boat performs moves more water and creates more thrust than lower. Gps I am using a 9x6 prop on my GWS Spitfire large will hit other parts of propeller... Field since 1999 and built solely for Marine duty a lower pitch propeller will faster... Aluminum is the maximum crankshaft speed that is considered safe by the prop!