It's not an exact science. Because of this diameter, your top speed will be maximized. Description: Estimated delivery 5-2-2023 2023 Princecraft Vectra 21 RL & Mercury 4-Stroke EFI. Hi have a 24 ' TMC Pontoon with a 70 HP Evinrude 2 Stroke 3 Cylinder motor . You can also get the same level of control with a larger diameter three-bladed prop at lower pitch, but youll lose some speed on your top end. HubPages is a registered trademark of The Arena Platform, Inc. Other product and company names shown may be trademarks of their respective owners. On the other hand, the opposite pointed rake allows for a larger propeller which will give a quicker hole shot for towing skiers. Lights, Boat Trailer You are using an out of date browser. More cupping increases the propellers grab and increases stress on the engine, reducing RPMs. And as the pitch is responsible for making the RPM rate more efficient you wont be getting that anymore. The current prop is 13.5 diameter 12 pitch. Just a thought, maybe you could shoot for a compromise prop by sending in the damaged prop with the intention of having it repitched as part of the repair process. It's a matter or preference more than anything. I have a 21 foot Sweet Water pontoon boat with a 50 Hp Yamaha 2 stroke, 12 1/4 x 9 prop. This results in a more stable flight path and increased performance. Well, for 4-stroke engines with 115 horsepower the recommended diameter is 1.25 inches. So, yes, they exist in the middle. Boat came with a 16-13 prop. If you have a need for speed, then you'll want a prop that gives you more speed. If you need torque for pulling skiers or speed for cruising or maneuverability for working around those good fishing holes. Your write up was interesting and informative. There is unfortunately, no prop that improves both speed and power for the most part, unless you have a tiny little prop more suitable for a trolling motor. As pitch mainly depends on the diameter this is quite a normal range. I have a 2002 SunCatcher G3 pontoon boat. Length 13'. Well, thanks to the extra blade you will get to experience a much higher speed. Question: l own an ss190 pontoon with 90hp, 16X12 turning 5200 rpm & 22 mph. Talk to your boat dealer and the guys at the marina. You either get more speed and less power or more power and less speed. if standing behind the pontoon looking at the engine. Parts, Sacrificial Anodes & But know this, the Turning Point Prop just might be able to turn your opinion around. What size prop should be used on a 1989 115hp outboard on a 24' pontoon Question: I have a 22-ft. tritoon with a 140 hp Suzuki engine. My guess, you need something more like a 20 or 22 pitch prop. At 4800 rpm the prop blows out and the rpm's go up to 6000, and the boat only goes 19mph. Seats, Pontoon Boat Seats & If you're all about the speed, then go for one that gives you speed. First and foremost, you have to look at the diameter of the propellers. Leave height alone for now.As suggested your prop has too much pitch. Overall, this is a great product that can handle both the speed and horsepower of the mercury 115 4-stroke engine even when it is at its maximum capacity. Slip numbers will impact pitch numbers. Telescopes, Covers and SEI Marine Products-Compatible with Mercury Mariner Prop Service Kit 11-827614A 4 80 90 115 125. Qiclear Marine Outboard Prop For Mercury 115 4 Stroke The Qiclear Marine Propeller has been designed for mercury engines and comes with hub kits. I've seen boats that were fast but bogged down if you put a skier behind them. This 22' Rear Lounger Swing Back Pontoon Has Lounge Seating Up Front With Storage, Side By Side Captain's Seats, Rear Facing Lounge Seating With Storage (Can Also Be Forward Facing Bench Seating), Select Dark Gray Vinyl Floor, Classic Edition, Bluetooth Radio/MP3 Player With 4 Speakers, Multiple Cup Holders, New . Cable, Marine Batteries & I?m looking for some advice on prop sizes. Deals, Pumps & Plumbing twayneking (author) from Puyallup, WA on December 05, 2019: If the boat came with a prop on it, that's your starting place. An overly large blade can overtax a small engine and make it run slower, while a blade that's too small can cause the engine to spin too fast and damage it. Too low? However, stainless steel tends to be quite strong in nature. The four-blade propeller, however, gives slightly more control at low speeds than the three-blade does at the same pitch. Spend some time with your marina parts guy - the one that sells the prop. Mirage Plus, High Five . Try adjusting the rake of the propellor or change the composition of the blade. Breakers, Power Packs & Jump Let's take a closer look: It has a 17-inch pitch, which is plenty for great speed. This propeller is specifically designed for use with Mercury engines that are rated at 60-125 HP. Your all-around and my all-around are probably two different things. Surface winds can blow the boat around when docking or negotiating narrow spaces. If you don't like how she handles, then you have to pick a solution and adjust your prop accordingly (see the article for details). This cup is responsible for providing superior holding and acceleration. Well, it is quite normal especially if you dont know what to look for. I have a 20 ft cypress cay with 90 hp mercury 4 stroke (2008) looking to put a new prop on,doesnt give size on prop,only pt.no.77142a45p15. However, there are a few extra features that do make this a good buying option. This works to balance the performance across the two engines. I did read quite a bit of the sticky and other posts but just seeking input based on others experiences before buying something different. Winches, Boat Motor Supports & Parts, Wash Down Battery Charger, Marine Audio & & The motor was purchased in 2009. . Prop Selector | Mercury Marine Love this motor. And the final product looks elegant in its own way. It's a partnership between you and your supplier. Accessories, Boat With original prop, 1000lbs people, 27 gal gas and 400 lbs gear pulling 2 kids on tube I was 19.2MPH 5800 wot but make a sharp turn and down to 13MPH. Talk to the guy at your marina and perform the checks recommended in the article. JavaScript is disabled. Seats, Fishing Boat It would only go 12-24 MPH @ 4800 RPM top speed. Mercury Outboards - Durable. Caulking, Marine Engine On the other hand, with 4 blade propellers, you get better handling powers and a hole spot. Motors, Fishing Downriggers & I have a 2003 Bennington 207 SIC. Here is a list of the factors with which you can choose the best propeller for your pontoon-style boat that will help you do what you want to do with it. Changing the topic, we should also discuss the hub of the propeller. 115 HP Mercury Outboard Boat Propellers - iboats.com Now, just like before, even these two options have their own specialty. The "best" pitch is the pitch that helps your boat best do what you want it to. Remember that if you increase or decrease the pitch of the prop you select, then you should also consider whether the cupping changes as well. Tell them what you told us and ask them for suggestions. Pumps, Marine Pump Replacement You might want to check out the prop selector too. Moving on, you should also focus on the pitch of the propeller. Question: A 1977 Harris flotebote 24-ft with a 120 inboard what prop should I be using? Furthermore, this propeller rotates in the right direction. Best Prop For Mercury 115 4 Stroke - Top Choices From Experts In 2022 A 24-pitch prop with a 30 percent slip rating equals an actual performance of 16.8 inches per revolution. It's a personal preference. Answer: What's best is based on what you need. Storage Mercury says we should be seeing 6000 rpm. Seats, Offshore Boat Mercury 4 stroke 115 CT outboard. Lighting, Marine Teak Nope, it can also work on Mercury Outboard Engines 60, 75, 90, 100, and 115 HP. Supplies, Boston Whaler, 1972-1993, But at the end of the day, the decision lies in your capable hand. Answer: I'm not sure on brands. So, even on a tough day the propeller will push through and get your engines running. Boarding, Paddles & The motor was purchased in 2009. It's a trade-off between speed and power. A one-inch pitch decrease will generally increase RPMs by 250 turns a minute. A 4 blade is a great choice for heavier boats. Protection, Ladders, Steps, & Just looking for advice on what others are running with their 115 4 stroke and how they like it. And (3) visit the parts store and tell the parts guy whether you are looking for more speed, more torque, more durability, or more maneuverability. Talk to your parts supplier. Category, View But if you have one engine to manage then go for the regular right rotational angled propellers. It revs high and goes slow. Last but not least, we have the Turning Point Stainless Propeller. That depends on the thrust of the propellers. There are other issues like cost, durability, blade width and the size of the engine that will be pushing this beast. I purchased a 15p four blade stainless haven't run it yet but everyone I talk to thinks this will be to much prop? Answer: It depends whether you're going for power or speed. A one-inch pitch increase will decrease RPMs by 250 RPMs. What is the best aluminum propr for this boat? Well, the hub is that part of the propeller where the blades are all attached. Answer: The article explains how to pick a propeller that does what you want. Like the previous product, this one too has a diameter of 13.25 inches. No, it goes beyond your average looks and adds a bit of color to the boat. Would a larger diameter prop 14 eliminate the blowout? Nothing special about it. Vinyl, Floating Boat Software, Digital Question: I have a 1996 Yamaha T50 pontoon series on a 20ft Bennington. If you want to buzz about at high speed choose a pitch that gets you that. But well say it again. And in the worst-case scenario, you might tremble and fall right into the water. New Bimini put on 2 years ago. Max RPM IS 6200. That means this propeller has maximum top speed. If you want to do tubing you need speed, but with enough torque left to drag the tube around the lake. Gearcase Illustration Thrust washer not included, please use original Mercury Flo-Torq thrust washer, part # 12-8354671, or Solas thrust washer ME-TW, part # 81013150. Choosing the best propeller for your pontoon boat is not an exact science. But you see, this hub is integrated into the propeller core. The article above shows how to test to find a prop that does what you want. Answer: There are so many kinds of hull shapes, you really need to have someone at your marina or boat dealer take a look at it. The best prop depends on engine size, hull configuration, and what you plan to do with it. We feature WORLD CLASS sport boats and have an experienced, friendly team of sales staff and factory authorized technicians for all your boating needs. What do I need to do to achieve this top rpm/mph? Biminis, Paint and The four-blade propeller, however, gives slightly more control at low speeds than the three-blade does at the same pitch. So, before that disaster strikes, you should buy the best prop for mercury 115 4 strokes. How can I keep my pontoon from bouncing at high speeds? It is an OEM propeller but exceeds expectations in terms of performance. I went ahead and bought the same 17 pitch prop as what I dinged up, and will spend the 5 minutes to change to faster/better gas mileage prop for the longer cruises. Once you know what you've got and what's missing, you can work through the steps in the article and have an intelligent dialogue with your marina guy and start looking for just the right prop. If you're carrying a lot of weight or trying to pull skiers, you'll want a prop that will pull a load. Very smooth. Marble, Engine So, you know how to measure the diameter of the propeller. You'd have to check with your marina or boat dealer. fuel/water separator, and a brand new aluminum prop. Now, you might underestimate this product because of its last position. The article tells you how to figure that out. Mercury Propeller Selector. Bullet Skimmer, Paint and You need to spend some quality time with your boat parts guys and explain to him what you need for the boat. . Deals, Camping & RV Decide that first and then follow the instructions laid out in the article to determine the pitch of your prop. That may be all you can get. Question: I have a 22 Crest Pontoon with large toons and a 90 hp Yamaha, I have tried 14x11 and 13.5x13 and they both turn 6000 RPMS, what do we need? Either way, 6K is the rpm to shot for, for best over all performance.
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