. The truth is, like the boat debate, each motor option has its own set of strengths and weaknesses. These builders construct saltwater fishing boats models with outboard, outboard-4S, inboard, outboard-2S and inboard/outboard propulsion systems, available in gas, diesel, electric and other fuel systems. V-DRIVE INBOARD. Outboard Inboard Or Io Engines What S The Difference. My previous boat was an inboard Yamaha jet boat and did not fair well over the past 5 years. Outboard Vs. Inboard Boat. Almost as old as the debate over powerboat vs sailboat is the debate over inboard vs outboard motors. Consult with your mechanic for this type of modification. Both favorable attributes for serious watersports enthusiasts. The motor, like most inboards, is a marine adapted automobile engine mounted inside the boat. Boat Engines Explained Diffe Types Outboard Vs Sterndrive And More Tom George Yacht Group Tgyg. Outboard motors are bolted to the transom, and hang above the water at the back of the boat. I/Os are the often the least expensive, and you have the advantage of having a realtively car like (simple) installation. Re: inboard vs outboard boat ? But buying the inboard motor will cost you more upfront and can require more expensive insurance coverage. Close. When you matchup the inboard vs. outboard motor, the outboard's pros make it the overall winner. An inboard motor can give you 1500 hours, while an outboard motor will give you 750-900 hours. Inboard motors generally last longer than their outboard counterparts. Its drive unit resides outside the hull. This should assuage the concerns of those who boat in salt water. Inboard/outboard in salt water? The difference is actually within the words; an inboard engine sits within the structure of the boat and is not visible whereas the outboard engine sits outside the structure of the boat and is clearly visible at all times. Boats with inboard motors are generally more stable and easier to control because their center of gravity is shifted more towards the center. What you will find on most new boats today Since the sterndrive combines the components of an inboard-type engine with an outboard-type drive, it is also called an inboard/outboard or I/O. When comparing sterndrive IO motors vs. V-drive inboard motors, evaluate the pros and cons for both performance and maintenance requirements. #2. Inboard Vs Outboard Motors Off The Hook Yachts. On outboard, you start from one, and as the bigger, the boat is the engine number increases. The sterndrive is a widely available and popular for boats under 30 feet. The huge majority of sailboats large enough to have a motor were built for either an inboard or an outboard, so you'll usually be choosing between boats that already have one or the other installed. Companies like Seven Marine are pushing the limits to how much power an outboard can produce. Rather than outside, the boat motor is fitted forward of the transform. Sterndrives employ an inboard engine, often a marinized automotive engine, and drive the boat via a lower unit similar to outboard motors. I.E the V8 350. There are many age old debates in the world of marine industry and recreation. So, the inboard option means less maintenance (nearly half) even though they cost more initially. #12. Inboard/Outboard (I/O) engines otherwise known as Sterndrive combines inboard power with outboard driveability. The one-time purchasing cost for outboard motors is low. Every model has its own fans, for whatever reasons.Take the example, where a couple removed their inboard engine and converted the boat to have a transom to fit in some outboard motors, just because they love the roar of the engines. The tough part is that outboard and inboard motors are both valid choices and they're both designed for different people. The drive unit is tucked beneath the swim deck. Outboard vs Sterndrive vs Jet Drive Outboard vs Sterndrive vs Jet Drive John Linn. Outboard Motors: Everything You Need to Know. Large offshore fishing boats are being rigged with three, four, five, or more huge outboards rigged on the back. For horizontal machines I use H,V,A for horizontal, vertical, and axial. At a 35 MPH cruise, the stern drive boat got 3.4 miles per gallon (MPG). With its unique forward-hull design, our premier open tender is the roomiest Fiberglass RIB on the market. Like most choices in the boat buying process, weighing inboard vs. outboard can often be a bit challenging especially for first time buyers. The supplied Swap & Go mounting brackets with motor mounts can easily . Outboard vs. I/O vs. total inboard. At 20 kts in the BC34 example 1.45NMPG vs .9 NMPG gas works out to be $2.06/NM in Diesel and $4.44/NM in the Gas outboard based on our local prices. Some of the best-known manufacturers of saltwater fishing boats as of today include: Boston Whaler, Grady-White, Scout, Sailfish and Sea Hunt. The engine's drive unit lies just below the swim deck with the motor mounted under the transom. A sterndrive, is an inboard/outboard motor that has an outboard lower unit which connects up through the transom of the boat to an inboard diesel or gas engine. You can get to the engine pretty easily in most boats. The two catboats shown in these photos, for example, are of roughly the same size, and . Regardless of obvious biases, (Sea Born's are sold exclusively with outboard motors. as mentioned previously same type of hull using a diesel engine vs. gasoline outboard engine or to put it in your terms 400hp diesel engine dumptruck vs 400hp gasoline engine dumptruck and . Jay Flemming Outboards, on the other hand, last about 750 hours on average. In sterndrive engines, the motor is in the back of the boat under the transom. That allows boat designers and manufacturers to build faster boats. When you turn the steering wheel, the entire drive turns. Which is worse, a jet skiers or a school or man-eating sharks. Inboard/Outboard (Sterndrive) Stern drive engines, also called inboard/outboards (I/O) are a combination of the inboard and outboard engine. This is typically easier to do for outboard motors. Salt-Away can also be used with salt water to flush the system. Advantages of stern drives: A Closer Look at the Numbers. Saltwater is highly corrosive, meaning that the motor will need to be flushed after each use with freshwater. Inboard motors offer greater stability and are well suited to commercial, offshore, and certain water skiing applications, Outboards are general purpose and offer easy control, maintenance and . A Closed system uses its own fluids not saltwater to cool the engine. Sterndrives are mostly used in "pocket cruisers" aka, boats less than 30 feet long that have amenities like a head, galley, and . For inboard engines, most boaters find a way to plumb fresh water lines and valves into the system (retrofit), then use Salt-Away's Mixing Unit to introduce Salt-Away into the engine. When the boat comes in I will take some pictures and we will see what the exhaust looks like. The positioning of an inboard allows the propeller to be tucked up underneath the boat making it less invasive and safer for entering and exiting the boat. Advertisement The owners of the 36 Chesapeake inboard like to fish and take long-distance cruises at trawler speeds. The inboard vs. outboard argument is one that has been going on for years. The disadvantages are that the outdrive can't tilt clear of the water, so if you boat in saltwater […] The inboard/outboard stern drives are often used in pleasure boats from 18 to 30 feet or more. Toll Free: (888) 364-4537. He said if you throw a 200 or 250 outboard on a 25 foot bennington the zero to top speed is the same with the outboard and the fuel consumption with the outboard is about 1/2 that of a V8. It's the heart of your vessel, so you want to avoid making the wrong choice. A lot has changed over the years with inboard/outboard (I/O) driven boats. Inboard engines : Mercury / Cummins Mercruiser | Crusader | Volvo Penta | Outboard Engines : Evinrude | Honda Marine | Mercury | Suzuki Marine | Yamaha Marine | Boat Fuel Economy - inboard vs outboard fuel consumption Inboard vs. outboard. Jul 27, 2010. I'll still stick with Diesel with a straight shaft to have a single fuel onboard, that also happens to be less explosive, a keel, and the range/economy. The out board contains the shaft and prop together with the motor in a self contained uni. They also produce a larger wake than outboards. The first benefit of the inboard engines is the increased fuel efficiency. Outboard Motors. The area has more I/O and inboard than outboards. If you do decide to take your inboard boat in saltwater, you'll need to take it out in freshwater soon after to flush the engine system of salt. VETUS has recently released a 5kw, 7.5kw, and 10kw electric motor for the marine industry. It is salt water were I currently go boating. . What Are The Advantages: Outboard vs Sterndrive Outboard Archived. With so many boating activities to choose from, flexibility is extremely valuable. Outboard engines are popular because their mounting position high upon on the transom ensures easy access. Conclusion On paper, the outboard power system is a clear winner. Many new marine engines are 4-stroke because they offer better emission ratings over older 2-stroke boat motors. As well as powering large vessels that require a lot of horsepower to move the boat. Inboard motors will typically last longer without needing repairs, but the repairs are more difficult to conduct and saltwater will accelerate the need for repairs. To learn more, visit our program page and request information today. An outboard motor is hung on the transom secured with clamps. A sterndrive is an arrangement that combines the elements of inboard and outboard systems. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. Posted in Friday, July 23, 2021. "Inboard/Outboard (I/O) engines, otherwise known as Sterndrive, combines inboard power with outboard driveability." Used Boat Warehouse Essentially, this type of motor combines the best of both inboard and outboard motors, with its car-like engine that has good weight distribution and enhanced handling, the ability to tilt up and to trim . Although, some rare models can be found with duo propellers. It is attached to the boat's transom and turns to provide steering. Upgrade your Freshwater Boat to a Saltwater Boat . Inboard vs Outboard: Which Best for You? 1. Here's a quick look at the advantages and disadvantages associated with each yacht engine option. Inboard engine boats are better suited for performing water sports. Opinions and experiences greatly appreciated! They still have a small gearbox to transmit the power to the water, and typically only have a single propeller. Each engine has an application in which they thrive, but outboards can handle a wider selection of boating activities well. Alternately the sterndrive, aka inboard/outboard offered a somewhat lethargic, heavy cast iron Detroit 4-stroke engine that was pretty reliable and quiet, and everybody had parts for and knew how to fix a 350 Chevy. V8) and 8.1 litre including an HO version. No matter what part you need give us a call, we stock them all! The inboard motors are mounted amidship and drive a propeller shaft that goes . You can squeeze roughly 1,500 hours out of an inboard before necessary maintenance. Pros: 1. Outboard engine boats are better suited for shallow water, salt water, and pontoon boats. I have found some nice used (1-5 years old) Sea Rays, Larsons, Maxims, Charparral and a few others that have really caught my attention, but my friend keeps telling me that I/O drives do not hold up in the . Learn the difference between an outboard and an inboard outboard motor. Boat is set to be built next week. However, it does incur maintenance and replacement cost. Nov 19, 2020. If you do decide to take your inboard boat in saltwater, you'll need to take it out in freshwater soon after to flush the engine system of salt. Sailing vs. motorboating. There are about 5 configurations from 3 litre, 4.3 litre 5.0 litre (305 V8), 5.7 litre (350 cu.in. Inboard motors, being in the hull of a boat, are completely safe from the corrosive effects of saltwater. It is easy to tilt them completely out of the water when not in use. I use M,P,F,G for motor, pump, fan, gearbox. A boat's motor is a huge investment. These jet units are specific to the Yet pay attention: purchasing an inboard motor will be heavier on the purse strings and can entail insurance coverage with more expensive premiums. Modern cooling systems with heat-exchangers work with advanced coolants, but still need old-fashioned maintenance to stay efficient. To be clear, inboards, on average, can run for near two thousand hours before they might require attention, whereas outboards usually run for around 750 hours before a service is needed. Yet you may still need to decide between Boat A with one type and similar Boat B with the other. The 'description' field is long enough that you can usually describe it well enough. Then the Japanese engineers turned the marine power world upside down by introducing the 4- stroke outboard. As well as providing propulsion, outboards provide steering control, as they are designed to pivot over their mountings and . Outboard - Saltwater. With an outboard, you can simply flush the system with a hose and boat earmuffs at home (or at your own convenience). The outboard unit connects through the transom of the boat in an inboard engine. This is the case because, on inboard boats, you usually have one or two engines. Choosing an inboard or outboard motor for your boat is simple once you are familiar with how your needs affect the decision. An inboard boat has the benefit of being able to reload its jet pump while maintaining speed, whereas a jet boat slows down to reload its jet. The sterndrive I/O has many advantages compared to a regular inboard boat motors. Inboard/outboard (I/O) also known as Sterndrive is a hybrid of both outboard drivability and inboard power. Outboard vs. I/O vs. total inboard. It is a type of marine propulsion system that combines inboard power with an outboard drive. *Winks) personal preferences, and "expert opinions" aside, both power . For a big boat, you will need 4 engines to power this application. For this reason, sterndrives are also referred to as inboard/outboards. If you don't it will corrode and break much faster. This is an advantage for the outboard if the boat is docked or moored full time in saltwater, as it prevents marine growth and corrosion from occurring on the drive. What may be best for your boating needs and intentions may not be best for those of others. The best answer is… It depends. Every model has its own fans, for whatever reasons.Take the example, where a couple removed their inboard engine and converted the boat to have a transom to fit in some outboard motors, just because they love the roar of the engines. Marine Engines 4 Less has over 25 years of experience in the marine and high performance engine industry. Both are widely […] Inboard vs. outboard: It's just one of many choices you'll need to make when buying or building a yacht. It's much less of a hassle. And so on. In this easy-to-follow tutorial, we will compare outboard vs. inboard boat motor options in-depth. A performance comparison between a 15 hp outboard and a 15 hp inboard Diesel is as sensible as the comparison between a 400hp Porsche and a 400hp truck. Outboard engines don't have it and because of this, the engine is susceptible to salt corrosion. At Formula Boats, we offer both Volvo, Ilmor and Mercruiser sterndrive options on most of our custom boats, from the smallest Sun Sport to the superlative 45 Yacht. One thing that has not changed about I/O powered boats is that I/O engines are raw water cooled. Outboard vs. Sterndrive on Bowriders What Does Saltwater Do To Your Freshwater Inboard/Outboard? Outboard Motor. - Outboard motors are getting more powerful every day. We are on the coast so it will he used primarily in saltwater. Formula Boats: Volvo vs. Mercruiser Boat Motors vs. Ilmor. stern drive or inboard / outboard (i/o) Stern drive power is the go-to engine for most bowrider and sport boat manufacturers. Most any outboard from 25 horsepower and larger can be converted to a jet drive. There is no need for a rudder. They can be used in saltwater and pulled up when not . Inboard vs. Local: (352) 840-0501 Tom Lochhaas. This means that as you run your boat and the engine gets hot it sucks water from the outside of your boat and runs in through the engine and back out of the boat as . Stern drives tuck the engine below a lounge area (sunpad) or the engine box at the back of the boat, and allow for an easily accessible and an uninterrupted swim platform. If you plan to have closed cooling, try to get the full . Posted by 5 years ago. An outboard jet is simply a standard outboard with an aftermarket jet pump bolted to where the prop unit sits. On average, marine engines run this long: Outboard diesel motors usually run for more than 3,000 hours; Inboard marine diesels should run for an average of 5,000 hours; Well-maintained diesel engines run up to 8,000 hours; Gasoline engines only run for about 1,500 on average; Diesel engines, apart from having a more reasonable fuel economy than gasoline engines . Re: I/O vs. Before buying a boat with this type of engine, look at the pros and cons to know whether it will be suitable for your needs. The non-drive end is always 'outboard'. The motor is in under the transom of the boat and the drive unit is tucked beneath the swim platform. In the old days, many marine engine cooling systems were of the "raw-water" variety, meaning simply that they relied on pumping whatever water the boat was floating in through . 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