Approved for use with Joystick Piloting Revolution 4 diameter is 14-5/8 offered as left and right-hand rotation in several pitches. Includes Flo-Torq Hub Kit 835257K1. Forget the 19 pitch try a 17p. What is the size difference between 3 and 4 blade propellers? As a general rule when converting a 3 blade prop size to a 4 blade prop size, you would reduce pitch by 1". Pitch is the 2nd two digits that are listed in a propeller item description (14-1/4 x 19, 19 is the pitch, 14-1/4 is the diameter) (back to top). Pitch is the second number on the stamp of a propeller; so on the same 24 X 22 propeller, the second number of 22" indicates 22" of pitch or twist in the blade. The certified marine technicians of Boat Propeller Warehouse will help you get the propeller you need, at a price you'll love!. We’re going to take a. Pitch: This is the the most often quoted prop specification. Three dozen Mercury employees create some of the best props in the world. Thoughts?. In dual engine applications, both propellers must be the same size and from the same manufacturer. 8 lph and the Laser 19 the worst at 10. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items!. 17-4PH (ER630) - used on Mercury, Michigan Wheel, Turbo and hi performance propellers. OMC uses this design for aluminum, SST, and Viper props from 25 HP through the V-6 Cobra through hub exhaust. There are several of you on this site waiting for performance numbers on a new Mercury Revolution SS four blade 14. Will it get you to the desired speed range?. I Just called the guy that just repaired the prop and they meausred the pitch at. Pitch block application and selection. If the pitch and diameter are the same, are there any advantages of a Stainless Steel Prop vs. Best Answer: 19" will move more water in one revolution than 17" pitch. Rotax® 912 iS Single Lever Propeller Governor System © 2013 Stock Flight Systems 7 Rotax® 912 iS System There is no access to individual 912 iS engine sensors for. They tend to act like 1 to 2 pitches higher. The pitch of a prop equates to the distance a prop will move the boat with one full revolution of the prop. 1988 Yamaha 90hp Engine Wire Harness 1782 $60. THE EFFECTS OF IN-SERVICE CONDITIONS ON THE CONTROL CHARACTERISTICS OF CONTROLLABLE PITCH PROPELLERS Deniz ÜNSALAN Near-East University, Nicosia, North Cyprus Kunsel IZET-ÜNSALAN "Ovidius" University, Constanta, Romania Abstract: Controllable pitch propellers are enjoying a wide usage in present day ships where either a high maneuverability or a constant shaft revolution is required. I didn't take much data at these low pitch settings as it was obvious from the outset that these were settings that I would not be flying with. Solas 14" Diameter Amita 3 Aluminum Boat Propellers use a 3 wide blade design offering outstanding acceleration for your boat and top speed performance. Custom sizes are also possible. The guy said to try the 19 pitch and I would still notice a HUGE difference. mich wheel dyna jet federal equi-poise cup: $1200 set: 233. Data is prop thrust proportional to pitch? Power Systems. 5 X 17) to augment an existing 19 pitch 3-blade on an Evinrude 175 on an Alumacraft 195CS. A 14-inch-diameter prop, for example, might be offered in 15, 17, 19, and 21 pitches sizes. Boat is just under 22ft, but sort of heavy, and fully loaded is probably 5500lbs or a little more. We're going to take a. Incremental Change Most propellers are sized in two-inch increments. 75-2 mph at the lowest idle I can do when trolling and thought I'd go to a lesser pitch. Rundquist Propeller Tools, Inc. It doesn't matter if the prop is 100 feet in diameter. The previous owner had a spare prop in the boat which is a 141/4 x 21. 5' Larson) had a "High 5" stainless steel so I'm worried about the aluminum prop on this one. The Enertia was the first Mercury propeller to utilize the added strength and durability of Mercury’s X7 alloy, which is 30 percent stronger and four times more durable than. SO - Just moving from a 19" pitch prop to a 17" will not necessarily do anything for you IF your 19" is a 13" diameter and your. Solas props fit Mercury, Mariner Outboard, Me. A completely non-corrosive material needs to be used to make propellers which can be used at sea. You want to try moving down one pitch size (from 19 to 17 perhaps). I have a 19' Crestline with a Mercury 50 ELPTO that has a 12X101/2 Turningpoint prop. Forget the 19 pitch try a 17p. I have a 40' FP catamaran. Pitch block application and selection. Order your stainless steel boat prop today and save. A propeller which fails in such a way that it remains in flat pitch (high RPM setting). 1 drop in pitch will get you 150rpm (I think). QRJ-T 4-blade gives better holeshot, less torque on steering, better boat handling and lower planing speeds. To illustrate the differences in performance and economy among various props, we had the opportunity to try nine different propellers on a 1983 25′ Pursuit cuddy-cabin boat repowered with new 150 hp E-TEC outboards. Typically, there is a set range for each type of prop for that aircraft type, and there is usually some overlap. Custom prop work for most stainless steel brand propellers. The certified marine technicians of Boat Propeller Warehouse will help you get the propeller you need, at a price you'll love!. RE: Mercury optimax 150hp top in speed You top speed is going to depend on your RPMS, prop diameter, pitch, cupping, and number of blades. " Jrspop - LA. So a 23" prop will move forward 23" in the water and a 19" prop will move 19" in the water. LH=Left hand propeller. Reason, for writing you this e-mail is two -fold. The higher-pitch 17 in. A 26 pitch prop will be faster than a 24 pitch but it may slow down the RPM of your motor some because it will take more Horse Power to turn the 26 rather than the 24. PowerTech! High Performance 4 Blade Offshore Series Stainless Steel Propeller for 150-300 HP Yamaha Outboards. Pitch: Logical advancing distance when propeller rotated one time. I hope you get a chance to try the 19" or 19. Kimberlin_____. A change in the prop pitch will increase or decrease the engine RPM's and can be used to bring them into the recommended range. I have been searching on line for prop recommendations and it looks like I will need a 19 pitch sst. Oil Marine Mercury Brand; Oil. That's still bizarre to me. The pitch on most propellers can be changed to obtain better performance if necessary. Priced from R2150. We are not affiliated with Mercury Marine and accept no advertising. 3L Sterndrive 155 - 210 HP. You don't really get to choose. I've got a 30 hp Johnson on my 16' Sea Nymph backtroller with a 15 pitch prop right now. 2Mtr fibergalss Cuddy cabin and found the 115Hp Evinrude E-Tec motor gradually climbed in RPM from 3K to 4K. At 1000 rpm there was little difference between all the propellers, with the range from 2. 4 liter Bravo I, 330 HP, 1. Very basically higher pitch may be faster but with less power and too high will cause the motor to lug. Mercury Propellers. Solas, 14" Diameter 3-Blade Stainless Steel HR Titan Boat Propellers are ideal for high speed planing hulls. I agree my tach must be off. Will ship them for free any where in the Continental US. Part # 48-825932A46. revs with a 17" prop then a higher geared 19" will not work well - it will be sluggish. If you increase the diameter of the prop, then you must reduce the pitch by a corrsponding amount. So, a propeller curve is a very much significance for chief engineer. Variable pitch propellers have been around a long time. Typically when you add blades, you get rid of some of the pitch. I was looking at a spitfire x7 stainless prop in 19 pitch and refuse to go. Stainless Props Propeller Depot carries the entire line of Michigan Wheel and SOLAS outboard stainless steel boat propellers. 31 total and a 42x1. Blade style descriptions, pictures; pitch, diameter and part number info. I am interested in going to the cyclone so do think i should go with a 17 or the 15 pitch on the cyclone? or would the cyclone just not work and i should stay with the viper and go down to the 17 or 16 pitch. In turn, raising the motor will add RPM, allowing you to run a taller pitch prop and see a higher top speed by up to 3 mph. Save up to 70% on 19" Pitch Boat Propellers for your Yamaha 115 HP Outboard 2000 & Newer F115, 4-Stroke. Talking about props for my conversion ski. Materials available include specific stainless steel marine grade shaft alloys numbered 17, 19, 22, and 22HS, chosen not only for their strength and corrosion resistance but also for the production straightness tolerances of these materials vs. Low Pitch Larger diameter. 43 mph @ 5900 rpm (gps). It was found that this was a real advantage to propeller design. Do You Understand Boat Prop Size, Pitch and Diameter?. The certified marine technicians of Boat Propeller Warehouse will help you get the propeller you need, at a price you'll love!. I'm trying to understand how to use this new feature in cruise flight. Since a fixed-pitch propeller achieves the best efficiency only at a given combination of airspeed and rpm, the pitch setting is ideal for neither cruise nor climb. Intuitively (and by Newton's Third Law of Motion) if you increase the angle of the blade. Quality props from Michigan Wheel, Solas, Turning Point, Stiletto, Quicksilver. edit: nope, 13. If, however, the specific topic that really confuses you is pitch, keep your eyes flowing down this virtual page. I would start with the 12 on your setup. Shop, read reviews, or ask questions about Stainless Steel Propellers at the official West Marine online store. Great prop I have tried many but this prop gives me the best fuel economy of all of them. Enertia has also been proven to increase the overall performance of runabouts and pontoons. mich wheel dyna jet federal equi-poise cup: $1200 set: 233. In aircraft, blade pitch is usually described as "coarse" for a greater horizontal blade angle, and "fine" for a more vertical blade angle. The Piranha boat prop design also eliminates spun boat propeller hubs. I didn't take much data at these low pitch settings as it was obvious from the outset that these were settings that I would not be flying with. The props are currently available in 25 and 26 pitch, they are ventless and have the press in type hub and will also accept Flo-Torque shafts. They were good performing prop. There's no entry in the prop logbook from the last annual. It doesn't matter if the prop is 100 feet in diameter. I run a 1900 pro V with a 225 Honda. Solas, 14" Diameter 3-Blade Stainless Steel HR Titan Boat Propellers are ideal for high speed planing hulls. What I mean by that is my current prop is a 15x17. I see there are 3 blade and 4 blade props. I've got a 30 hp Johnson on my 16' Sea Nymph backtroller with a 15 pitch prop right now. Mako says 17 pitch, Powertech prop says 19 pitch. Initial prop pitch was set at 19 degrees. 1 drop in pitch will get you 150rpm (I think). This means the propeller diameter, pitch, and number of blades will vary according to the application. right hand 3 blade stainless steel boat prop. Custom prop work for most stainless steel brand propellers. 25 inch diameter regardless of pitch, available in every inch of pitch from 15-30. General Propeller stocks all makes and models of boat propellers. In terms of a four blade vs three blade prop. a prop with the 19" pitch should. It is an ideal fit for high-speed high-drive-height stern drive applications and provides outstanding performance on catamarans and boats with stepped hulls. Hull, motor and prop all work together. No other prop on the market today provides as much performance, durability, and value as a Black Max aluminium propeller. 17 X - $1,200. I know a lot of PBer's run this engine, and was curious as to the props everyone is running on these- size, pitch, cupping, manufacturer, etc. Diameter: 14 1/4". I have used and worked out the following props: Spitfire 19- pitch == WOT 4650rpms SOG 34. The second number stamped on the prop is pitch. Pitch is the 2nd two digits that are listed in a propeller item description (14-1/4 x 19, 19 is the pitch, 14-1/4 is the diameter). The pitch concept is not exclusive for propellers, other mechanical devices like screws also use it. Solas, 13" diameter Amita 4 aluminum boat propellers with 4 wide design blades that produce exceptional stern lift and good mid-range performance. These propellers are designed to be compatible with both the XHS and Mercury Flo-Torq II hub system. Just my suggestion. The pitch of this propeller is set by the manufacturer and cannot be changed. Will ship them for free any where in the Continental US. The SOLAS Amita 1411-130-19 is known for outstanding acceleration and performance. 6 is a factor to multiply times the diameter to get the pitch in mm. this prop was lightly used, checked for balance and polished at our repair facility. Designed for bass and tournament multispecies/walleye boats 19 feet and longer, with 135hp and larger engines, the Tempest Plus is designed to make big boats go fast. Use this control to limit the display of threads to those newer than the specified time frame. They have a 14 3/4 barrel. Is there a difference in how fast the boat will go, and how fast it will get on plane. Price Highest. Reverse thrust is used to help slow the aircraft after landing and is particularly advantageous when landing on a wet runway as wheel braking suffers reduced effectiveness. Example: (1) 7-1/4 X 6 - BS (2) 21 - ML (Pitch - Mark) (3) 13 X 17 - K2. Priced from R2150. com: 19 pitch prop. mich wheel dyna jet federal equi-poise cup: $1200 set: 233. A variable-pitch propeller allows your boat to shift gears like a car, since it's designed to maintain a low pitch. 0mph increase at WOT, and will 'look pretty' -- I am told. Oil Marine Mercury Brand; Oil. Anyway, I have a spare 19 pitch SS prop that works fine. I run a custom T1 25" and also use a 27" at times. I've got a 30 hp Johnson on my 16' Sea Nymph backtroller with a 15 pitch prop right now. In this companion video, we show a quick and easy way to find out if you have the right pitch propeller. The only differences are Quicksilver aluminum propellers have a flat black paint finish with a different part number and the Quicksilver stainless steel props do not have the name stamped on the barrel part of the propeller. The 19p Tempest runs pretty good on the boat with excellent bow lift, but that can be a detriment in rough water. With a 19 pitch, I can see up in the 45-46 mph range, but 50??? The math doesn't add up. Propeller pitch can be compared to a gear on a car - lower gear, higher RPM's. Going to use the boat for offshore fishing and good mileage would be a plus. manufactures wooden propellers for ultralight aircraft, experimental aircraft, powered parachutes, and microlight aircraft. But this still leads me to my first question witch prop should I Use 45Auto;1871522]Slip is pretty much an irrelevent term (but fun to talk about) when it comes to props. Where as if you switched to a 17 or 15 prop, for the same amount of power, you're gonna have more torque, and pop those skiers out faster. 5 at 5900 rpms. 5 or 1 degree in the summer compared to winter flying. I was getting 4100 RPM tops. It turns right at 6000 at 30 mph with me 250, 3 batteries 10 gal of gas and full live well. A 15p would go past the limiter. 5 x 15 pitch, which matched one of the results for size/pitch from Mercury Marine Prop Selector (4-blade option). Subtracting 1" of propeller pitch will increase WOT RPM by 150 to 200. 02-Apr-19 12:19 08 In many turbo props (PT6 in particular), the blade angle will adjust into a more flat pitch with the power lever selected to idle, this is in preparation for operation of Beta, which is the entry point to use of reverse thrust. Which is right in the middle for that engine. A change in the prop pitch will increase or decrease the engine RPM's and can be used to bring them into the recommended range. I have been reading here and there on the fuel savings of going from a 3 blade to 4 blade prop. What I mean by that is my current prop is a 15x17. 17 X - $1,200. The Enertia was the first Mercury propeller to utilize the added strength and durability of Mercury's X7 alloy, which is 30 percent stronger and four times more durable than. Please use our Propeller Guide to narrow your Yamaha propeller options to your specific Yamaha outboard engine. Just my suggestion. OMC and BRP Boat Propellers. 1988 Yamaha 90hp Engine Wire Harness 1782 $60. Its four stainless steel blades stay hooked up better in tight turns, making for incredible boat handling. Pitch: Logical advancing distance when propeller rotated one time. With a 3100# boat and a 4. "Three years ago I damaged my five blade port side prop. The table below contains a listing of propellers we currently stock for the Evinrude, Johnson V-4 engines. To illustrate the differences in performance and economy among various props, we had the opportunity to try nine different propellers on a 1983 25′ Pursuit cuddy-cabin boat repowered with new 150 hp E-TEC outboards. Data is prop thrust proportional to pitch? Power Systems. (1) The propellers work as per your companies claims and are a real. Order your stainless steel boat prop today and save. The Enertia is the first propeller to utilize the added strength and durability of the new X7 Alloy. Read the article Understanding Propeller Pitch on boats. I wish more props were available in 1 Pitch steps! On My current prop, a 17p, turns 5900 but is only Available in 2 pitch steps. Propeller Depot is your ultimate source for SOLAS Titan boat propellers. * When changing from an aluminum propeller to a stainless steel propeller, you may need to lower pitch (1"-2") depending on the actual WOT RPM of your application. Looking at the higher pitch props there is a 14. Cup is the rolled edge of the trailing portion of the prop blade. Props are a complex piece of machinery, with Diameter, Pitch, Cupping, & Rake all doing something different. This pitch was too low for this airframe, and the engine quickly hit the rev limiter at 6,000 rpm's. Unfortunately, it can be hard to find. In most cases, the diameter and pitch will be stamped on the hub of your prop. (Props, mind you, not metal bands. Use your mouse to click on the file number and see the details and in most cases a picture. I'm trying to move to Piper Arrow II which has an adjustable pitch propeller. za to order online. 5 pitch prop to 5750 RPM. Now, with the 19 inch prop at WOT, the RPM's don't get to the proper RPM's. Pitch block application and selection. if the stainless prop actually does have 2" MORE pitch, and 1. PowerTech! High Performance 4 Blade Offshore Series Stainless Steel Propeller for 150-300 HP Yamaha Outboards. I was looking at a spitfire x7 stainless prop in 19 pitch and refuse to go. The pitch of this propeller is set by the manufacturer and cannot be changed. A 19 would drop rpms about 400, holeshot would be worse, top speed would be acouple mph faster than a 17 pitch, thats if you can get enough rpms running a 19 pitch. 5X 34 pitch props for sale. Find your Ideal Quicksilver Propeller in 5 steps or less. Pitch is measured across the face of a propeller blade. I'm hoping that prop 3 gives me 17. Prop slip is not the same thing as propeller efficiency. Take note of the word maximum in this description. It was found that this was a real advantage to propeller design. Using an aluminum propeller at sea will cause it to corrode which means that it will need replacing much sooner. Repair and Spare Part Service available for Gori propeller. Speed differences among the same pitch from various manufacturers will vary even more. :wink: When switching from a 3 to 4 blade prop does the diameter typically stay the same, but the pitch changes usually getting smaller?. SOLAS Amita 3 Blade Aluminum 14. The theoretical distance, in inches, that a propeller travels forward during one revolution. Most prop shops would much rather bring the pitch up, or add cup, vs lowering pitch. 2Mtr fibergalss Cuddy cabin and found the 115Hp Evinrude E-Tec motor gradually climbed in RPM from 3K to 4K. You don't really get to choose. Shop with confidence. These props have a lifetime warranty and they are 100% backed by Yamaha and will not void the warranty on the motor IF there is an issue. Testing a few Mercury Props today, the Fury 4 blade and Fury 3 blade watch the results coming up! In this video I test my new Mercury Fury 4 blade and Mercury 3 blade props and try and find out if. The propeller with ideal pitch/diameter ratio will be the one whose propeller power curve and engine HP curve meets at maximum RPM. 13 X 19 Pitch Rear Rh Sst Dual Prop For Volvo Penta Stern Drive. The Vengeance three-blade stainless steel propeller is an excellent choice for the boater who wants to upgrade from an aluminum prop. NOTE with Volvo 100S,Gori SD propeller fits with 10-15mm gap. With that prop I got 49 mph at 5800 rpm. Amita Solas 4 Blade Aluminum 14. The correct prop allows the engine's RPM to run within the top end of the manufacturers recommendation. If you the math your prop slip is about 22% which is very bad. We also had several stainless props on hand. org Gear for you Mavic. I had the hots to replace it with stainless then I started thinking about were we fish with those black rocks as big as a vw bugs and oyster bars. 1 drop in pitch will get you 150rpm (I think). Call it a block of cheese. Propeller Diameter vs Pitch. I am interested in going to the cyclone so do think i should go with a 17 or the 15 pitch on the cyclone? or would the cyclone just not work and i should stay with the viper and go down to the 17 or 16 pitch. Mercury Diesel. You cannot give a motor size and expect an answer to the best prop to have. A prop expert can suggest what pitch prop you should have based on the performance of your boat in relation to its factory-rated WOT rpm. The Mercury Vengeance is a fine propeller for outstanding durability and good overall performance on most outboard and sterndrive powered boats. 5″ pad to AV plate. mich wheel dyna jet federal equi-poise cup: $1200 set: 233. This kept the motor at it's max RPM's. There are two common types of pitch; constant and progressive. It allows to keep maximal prop efficiency, thrust an fuel consumption for high airspeed range. The welding fixture is used to hold the prop at the desired angle. Boat is just under 22ft, but sort of heavy, and fully loaded is probably 5500lbs or a little more. com for a full explanation of pitch. 41 ERA and a 1. Pitch Blocks, Bases and Mandrels For Propellers Up to 42 inches Diameter. Mercury Vengeance 3 Blade Stainless Steel Propeller 14-1/2 x 17 Pitch Prop Mercury Vengeance 3 Blade Stainless Steel Propeller 14-1/2 x 17 Pitch Prop. 17 X 19 X 3. Refer to the illustration as shown. This is a 14 x 19 pitch, 3 blade right hand rotation propeller. with a 13 x 19 just right for waterskiing. 00 Javelin Venom 17 00 115 Johnson: 22 Stilleto, 8" jackplate. At 3000 rpm, with the boat on the plane, the range again was hardly worth changing props for, with the Trophy 17 recording the best at 8. The normal governor is of a CSU type which is both adjustable by the flight crew and will govern the prop within a set range. In reading about replacing a 3 blade with a 4 blade prop, it was recommended that I decrease the pitch by 1 and diameter was not a major factor. Reversible propellers —those where the pitch can be set to negative values—can also create reverse thrust for braking or going backwards without the need to change the. With a fixed pitch prop you're making a compromise somewhere - either you're losing performance in takeoff, climb, or cruise. 80% or above). Within weeks of listing the props on this site, the props were sold. Forget the 19 pitch try a 17p. com for a full explanation of pitch. 25 x 16 pitch Power Tech YM90NRS3R16P. This is to certify that the Project entitled “Pitch Control of Horizontal Axis Wind Turbine” submitted by R Vijay and Aditya Kumar Sethi in partial fulfilment of the requirements for the award of the degree of Bachelor of Technology in Electrical Engineering at National Institute. I have a Johnson 150 hp actually use a 4 blades 14. 5 at 5900 rpms. This is an international website with significant and timeless themes that focuses exclusively on the rigid inflatable boats and anything related to it: technical and useful articles, Rib tests, outboard engines and propellers, equipment and proper boat set-up and of course trips. The Q3 is a revolutionary propeller that improves both acceleration and top speed on center consoles, high horsepower pontoons, and sterndrive powered runabouts. I am very happy with the performance but am considering going to a Stainless Steel prop. Find great deals on eBay for mercury 4 blade propeller 19. Propeller Diameter vs Pitch. However, if a controllable-pitch propeller is well designed and correctly operated, it can result in fuel savings of up to 15 percent compared with a fixed-pitch propeller operating in a nozzle. 23 WHIP this season and has been fantastic so far. You want to try moving down one pitch size (from 19 to 17 perhaps). 15 vs 17 pitch? What diameter? Mounting height? SS vs aluminum? And so on! Shouldn't the boat builder or dealer already know what prop is best for each boat/motor combination? Also, I have an I/O with SS duo prop, and couldn't tell you the size or pitch (don't even know what pitch is?). SO - Just moving from a 19" pitch prop to a 17" will not necessarily do anything for you IF your 19" is a 13" diameter and your. Handy Propeller pitch calculator from Turning Point Propellers. Hi Guys , On Octura props the 1. Highlighting 19 for sale! Boat Propellers Quicksilver Bravo 2 Aluminum Propeller Set 19 Pitch Qa1940r And Qa1941r Federal Equi-poise Propeller, 19 X 17 X 3 X. Within weeks of listing the props on this site, the props were sold. Think of pitch as speed. 80% or above). I have been reading here and there on the fuel savings of going from a 3 blade to 4 blade prop. We thank you, yet, again, this year, as this would not be possible without you, our PowerTech! family members. They are driven to help every Dealer & Boater become a Prop Expert, and provide the tools to help them find the ideal propeller for their boat. inthepresentsea. The guy said to try the 19 pitch and I would still notice a HUGE difference. Shop, read reviews, or ask questions about Stainless Steel Propellers at the official West Marine online store. So a propeller that says 14" x 17" is 14" in diameter and 17" of pitch. Subtracting 1" of propeller pitch will increase WOT RPM by 150 to 200. If you do not find a listing for your size, please call us, as we can supply any diameter and pitch inboard prop, all at a savings to you. If you gave them low water and half fuel data, then you may have to circle back to that condition and see where you are at on rpm’s on these props. Prop Pitch vs RPM We are a group of Verado owners from all over the world that encourage the free exchange of information about the Verado engine. Other prop sizes available for all motors 15 hp and bigger! Go to www. manufactures wooden propellers for ultralight aircraft, experimental aircraft, powered parachutes, and microlight aircraft. Pitch is measured across the face of a propeller blade. I had the hots to replace it with stainless then I started thinking about were we fish with those black rocks as big as a vw bugs and oyster bars. 8 lph and the Laser 19 the worst at 10. The stainless steel SOLAS New Saturn 1431-133-17 provides excellent performance through the large EAR design. Houseboat and Pontoon Propellers are interchangeable and listed in the Houseboat category propellers. The certified marine technicians of Boat Propeller Warehouse will help you get the propeller you need, at a price you'll love!. Quality UAV Drone and Model Aircraft Propellers designed and manufactured in the USA since 1978.