This gives the pontoon a clean appearance as the motor doesn’t jut out the stern of the boat. The drive system on sterndrive goes through the transom of the boat. Sterndrive. twin stern drive setups are much less manuverable than twin inboards. Otherwise the outboard frees up a lot of space for fishing and the smaller the boat the more important the gain. The sterndrive is a widely available and popular for boats under 30 feet. The top benefits to an inboard/outboard engine are: Longer Life. Furthermore, stern drive engines will require exhaust manifolds, usually in 5-7 years in a salt water environment. Sep 7, 2004. Tohatsu 70 TLDI Often, less weight, less horsepower and better fuel economy drive the motor decision. ...Honda BF 90 This quiet four-stroke in-line engine was inspired by the engine in Honda's top-selling Fit automobile. ...Yamaha 150 This is often called bulletproof, no matter the application - fresh water or salt, single or twins. ...More items... Outboard vs. Inboard Engines (Fuel Economy) In the past, inboard engines used to guzzle more fuel when compared to outboard engines. Typically, inboard motors sit towards the middle of a boat’s hull; however, boat owners mount their outboard motors on its transom, keeping the engine and drive system entirely outside the boat. The Cost. There are four major drive types you will come across when buying a boat: Inboard Stern drive, Inboard Shaft drive, and. However, with technological advancements, this has come to be a thing of the past. Sterndrive Boats. Sterndrive motors are four-stroke engines housed within a locker mounted at the boat’s stern just inside the transom. It drives a mechanism that looks and operates similar to the lower unit and steering operation of an outboard. What Are The Advantages: Outboard vs Sterndrive Outboard At a 35 MPH cruise, the stern drive boat got 3.4 miles per gallon (MPG). … Outboard vs Jet vs Shaft vs Sterndrive by admin 17th July 2019 Lady May, the latest Southstar 37 to be completed by Salthouse Boatbuilders from the Greenhithe yard in Auckland, runs a Hamilton jet drive, the first jet installation in a Southstar 37 and one that was done for the specific needs of the owners. The jet also carries three more gallons of fuel because it has a different tank shape to accommodate its required in-tank fuel pump. This … Inboard engine vs. Because it generally weighs less and is designed more efficiently, an outboard generally offers better fuel economy than a sterndrive. Performance – In the past, outboard engines were not quieter than inboard engines. A sterndrive combines inboard power with outboard drive. Paul . Inboard/Outboard (I/O) or Sterndrives. … The diesel inboard offers potential longer-term reliability, enhanced stability, and a longer cruising range. My understanding from RT is that the outboard model will cruise at 25 mph with a WOT of 35 mph. There are two choices to power your craft: outboard or stern (inboard) drive. There is also a stern drive which is a hybrid between the two. Then the Japanese engineers turned the marine power world upside down by introducing the 4- stroke outboard. Inboard Diesel Sterndrive has Greater Fuel Efficiency. The difference between an inboard and an outboard motor is that an inboard motor sits inside the hull of the boat while the outboard is attached to the Transom, or back of … Even these manufacturers and others give the boaters their choice with inboard and outboard power options on the same model. Incredible they get 3 beds and 2 heads in a 36 foot boat. I/O also have the flaw of a sterndrive and a bellows unit and when this fails the boat rapidly takes on … Every experienced owner has a preference. The Benefits of Outboard vs Inboard Motors. The engine is housed inboard and the drive system is mostly outside exiting the transom/back bottom of the hull. Topic: Outboard vs Sterndrive: Marineac: posted 04-14-2002 10:18 PM ET (US) I have been looking at a Boston Whaler 22-Guardian. #2. 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. The weight of a stern drive is more centered in the boat rather than hanging off the back. A big difference that’s worth talking about is the price difference between these two motors. There are many advantages to outboard motors. Boat Engines Explained Diffe Types Outboard Vs Sterndrive And More Tom George Yacht Group Tgyg. The location of the engine is a major difference between an inboard vs. outboard motors. Inboard propellers are tucked up underneath the boat, which can be much safer than a sterndrive tilted up; but without a tilt up mechanism, an inboard engine has a larger draft. Re: I/O vs Outboard - pros and cons of each. Unlike inboard motors, sterndrive motors include and the transmission in them the motor. The sophisticated four-stroke outboard engines available to boaters today have come a long way from the smelly and thirsty motors of the past. But you get more freedom in the cockpit for storage or seating. Pound for pound, outboards deliver more power and speed than inboards . Outboard boats are several hundred pounds lighter, and less weight means your boat is faster, easier to tow, and more fuel efficient. The engine sits just forward of the transom while the drive unit (outdrive) is outside the hull. Typically, the initial purchase price of outboard power is greater than stern drives. When you initially purchase your boat you will have to select and purchase an engine as well. Too bad, that’d be cool, right? InboardOil Change - Volvo Penta 5.7 Inboard vs Outboard vs Sterndrive Boat Engines Inboard Can electric inboard engines fully replace marine diesels to create an electric boat you can go cruising in? Let’s take a few minutes and look at direct comparisons of inboard and outboard motors. Outboards are generally quicker out of the hole and faster at full throttle. These engines are also known for their steering ease. If you had the budget, you wanted a sterndrive. On the other hand, with an outboard engine, you lose this space. On the other hand, the sterndrive engine houses the engine block in the engine room inside the boat, which generates the power that is transmitted, via a universal joint, to the propellers to the stern outboard unit. Typically, inboard motors sit towards the middle of a boat’s hull; however, boat owners mount their outboard motors on its transom, keeping the engine and drive system entirely outside the boat. When it comes to the performance of outboards vs. sterndrives engines, the power-to-weight ratio must be taken into account. Both will require similar annual maintenance, except that in cold climates the cooling system of most sterndrive engines needs to be flushed with antifreeze solution, usually by a … If we take into account the 2 diesel engines vs. the 3 outboard example above. This has to be considered a fast boat. Aside from that, boats with sterndrive motors are maneuvered with the entire drive turning in the desired direction. A sterndrive usually provides for a more quiet ride, more power and a sundeck over the engine bay. With most modern engines whether it be inboard or outboard; the fuel economy is comparable. Inboard vs. User Gallery. Inboard Vs. You will find that certain boat types only utilize one or the other. The sterndrive I/O has many advantages compared to a regular inboard boat motors. Outboard Inboard Or Io Engines What S The Difference. . MMSI Number: 338190767. Outboard, sterndrive or jet drive: These are the available power choices in today’s runabout market. Explore Sterndrive Bowrider Boats. Widely available on boats under 30 feet (or 9 meters), sterndrive inboard outboards have a lot of advantages when compared to inboard boat motors. The outboard’s transom makes that boat 2 inches shorter than the sterndrive. If I acquire this boat I would also like to add a radar tower. Re: R-23's Outboard vs. Sterndrive models. In this easy-to-follow tutorial, we will compare outboard vs. inboard boat motor options in-depth. If I acquire this boat I would also like to add a radar tower. To be sure, there are also advantages to inboard motors and stern drives, and we will explore these. Boat Engine Comparison Outboard Vs Sterndrive Jet Drive Boating Magazine. A 300 to 350hp outboard is what you’ll need if you decide to go single. You can use a … If speed on the water is what you seek, surface drives will do the trick. MerCruiser Sterndrive or Inboard-Outboard Engines (IOs) A MerCruiser sterndrive is essentially a car or truck style engine mounted inside the boat, lower in the hull. In terms of reliability and efficiency, many seasoned boaters prefer the outboard motor. The engine is connected to a drive unit that is attached to the rear, vertical, wall of the transom. PERFORMANCE. Many people considering the purchase of a new boat often ask about the differences between the outboard and stern drive (or inboard/outboard) propulsion. Archived. Johnson Motor Company introduced the first sterndrive in 1930, but the initial design required most boats to be redesigned to accommodate the motor. There was a time when inboards did drink a lot more fuel than outboards. As a result, sales suffered, and it wasn’t until almost 30 years later that the modern sterndrive of today was created. Going too small is one of the worst mistakes you can make on a repower. A larger, more powerful inboard engine that will outperform outboard motors. Outboard engines are popular because their mounting position high upon on the transom ensures easy access. Proper maintenance on a stern drive is an absolute pain in the ass and if you pay others to do your work the service over several years will cost much more than an outboard or straight inboard. In order to survive the warranty period without corrosion damage claims (!) Outboard Inboard Or Io Engines What S The Difference. You can fit a sterndrive underneath the boat, which allows you to use the whole swim platform on the back. Share. Bill Judge has been both a boater and a boatbuilder all his life. A single sterndrive is more manuverable than a single inboard, but a most. It simply means the inboard (inside of your foot) lace is always over the outboard (outside of your foot). Bridges are the crosspieces on the tongues of shoes that you can lace through to keep the tongue from moving around a lot. Outboard vs. Sterndrive on Bowriders . Sterndrives are also known as inboard/outboard or I/O drives for short. Although people often use the term "inboard" when refering to an I/O (aka stern drive), there are significant differences between the two. SternDrives are far heavier than comparable horsepower outboards. Four-stroke Outboard vs. Stern Drive – Inboard/Outboard by boat-admin March 20, 2018 Four-stroke outboard motors are becoming increasingly popular for use on pleasure boats and ski boats for a variety of reasons. Both sterndrive and outboard engines need space on your boat. 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. Today, there is very little difference between the fuel economy of inboard and outboard engines. Boat Engines Explained Diffe Types Outboard Vs Sterndrive And More Tom George Yacht Group Tgyg. It looks natural to make a cost comparison on horsepower—a 250-horsepower outboard motor to a 250-horsepower sterndrive in the same boat—but it is wiser to compare it based on performance. Take for example the Sea Ray 240 Sundeck, which we tested with both a Mercury 350 MAG stern drive (inboard) and a 300 HP Verado outboard. Rock-bottom base pricing for the outboard-powered GTD 200 is about $36,000 with a Mercury 115. While outboard engines are usually less powerful than inboards, you can match the power by having a few outboards on your boat. Jet Drive. The answer is really quite simple when comparing Inboard vs Outboard motors. For the sterndrive-powered GTD 205, it’s about $41,000 with a 200 hp MerCruiser. Common Features & Advantages of … Outboard vs Inboard. Evolution of Sterndrives: Volvo vs. MerCruiser Boat Motors. Higher torque contributes to better handling in a number of ways, from helping to plane heavily loaded boats to keeping the boat on plane when running at slower speeds. operation in reverse - SDs are very inefficent in reverse (exhaust gas is. 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. Surface Drives. Evolution of Sterndrives: Volvo vs. Mercruiser vs. Ilmor Boat Motors. Although, some rare models can be found with duo propellers. Even the first Volvo stern drive was rated at 80 HP and with the growing automotive engine power, sterndrives became the “go-to” product. The answer is really quite simple when comparing Inboard vs Outboard motors. However, the annual maintenance of outboards is generally less. ! Sometimes referred to as “inboard/outboards” (or I/O for short) due to the fact that they combine an inboard engine with an outer drive unit similar to an outboard motor, sterndrives connect the engine driveshaft to the sterndrive unit via a flexible U-joint at the transom. Since a sterndrive boat has the equipment on the back of the boat, it allows more room onboard than an inboard boat. A 200 on a 26’ flybridge just isn’t going to cut it. ... Any longer I wouldn't want 2 engines so i'd go with an inboard. Aquamatic Sterndrive with Duoprop propellers gives you high efficiency and reduces fuel consumption by up to 30% – when compared to most inboard and outboard solutions. Outboards weren’t always able to compete in the performance category, but the amount of horsepower available for them today is a game changer. The engine sits just forward of the transom while the drive unit (outdrive or drive leg) lies outside the hull. The jet is 18 inches longer than the other two because its extended swim platform is a standard feature. These two … While most bowriders are used for family fun, the sterndrive also known as I/O (Inboard/Outboard) is usually … This system consists of two parts: the upper unit and the lower unit. Boat Engines Learn The 4 Diffe Types Boaterexam Com. Outboards provide more room in the boat because they are installed on the transom, outside the boat. Some boats can house either an I/O engine or an outboard engine, but not all boats are equipped for both. The sterndrive is often much heavier than an outboard, so make sure your tow vehicle is rated to tow your bowrider’s weight, with the motor included. Outboard vs Inboard. Inboard/Outboard (I/O) engines otherwise known as Sterndrive combines inboard power with outboard driveability. Boat Engines Learn The 4 Diffe Types Boaterexam Com. Sterndrive vs inboard motors What Is A Sterndrive Boat (Sterndrive Vs Inboard Vs Outboard) In each instance, that price includes a single-axle trailer, four-speaker audio system with Bluetooth, and complete instrumentation with a GPS speedometer. However the sterndrive will consume more fuel than the outboard. Comparing an Inboard and Outboard Motor. Sterndrive Engines; Sterndrive engines, also known as inboard/outboards (I/O), are a combination of inboard and outboard engines, as their name suggests. Outboard for Fuel Economy. I do not know anymore on those. Do you mean outboard vs straight inboard, or outboard vs I/O? When it comes to inboard vs. outboard motors, here’s everything you need to know before making a purchase. Outboard vs Sterndrive Outboard or Sterndrive: which is the best for you and your family? Outboard vs Sterndrive vs Jet Drive From the aft seat forward, each of these Glastron boats is exactly the same except for slight differences in controls and instruments. Inboard/outboards are just “marinized” automobile engines stuck in a boat. The engine is at the stern allows for more seating space and provides a larger rear platform; Disadvantages of stern drives. Sterndrive motors are four-stroke engines housed within a locker mounted at the boat’s stern just inside the transom. Messages. Continuous exposure to water can damage the lower unit; Outboard boats. An inboard/outboard (I/O - sterndrive) engine is enclosed within the hull of the boat, usually connected to a external drive unit through the transom (pictured on the left above). If there’s one thing boaters can agree on, it’s that we all disagree on a lot. Twin outdrives though, someone on here might blow a gasket. As a result, sales suffered, and it wasn’t until almost 30 years later that the modern sterndrive of today was created. There are a variety of reasons to go with both outboard and inboard motors, and neither type of motor is inherently better than the other. An outboard is self-draining and many owners can do the out-of-season maintenance themselves. Outboard. Pretty common to get 250 - 350 HP in a sterndrive (5.0, 5.7 and 6.2 V8) for less than a comparable HP outboard. Inboard vs Outboard Motors Starting with inboard motors, from its name, it is a type of motor that is internally installed within the boat’s hull. They still have a small gearbox to transmit the power to the water, and typically only have a single propeller. And maintenance requirements, based on hours of use, often favor the inboards. Outboard Motors Position of the engine – The placement of the engine heavily depends on what type you choose. The outdrive carries power from the inboard engine through the transom and downward to the propeller below the waterline. [What are] the pros and cons of buying a Whaler with a sterndrive (5.7L Mercruiser Alpha drive) versus a boat with an outboard motor? For water sports, I think there is also an advantage to a V8 sterndrive/inboard, as my feeling is that inboard/sterndrive develops more torque, and is better for pulling a skier/wakeboarder/tuber, etc. Ok, so the jet boat doesn’t actually use a jet engine. Not sure if outboard or inboard/outboard (sterndrive) power is right for your boating? Close. It's complicated, as Jake Kavanagh ... Electric boat: 3 … This type of inboard engine is placed at the back of the boat. 7. Though inboard motors require a large box in the middle of the boat, which will keep the engine, they are much quieter than outboards, which is great for entertaining. They are more expensive than an outboard motor and harder to load onto a trailer, but because they were modeled after car engines, they are more fuel-efficient, have better horsepower and more torque. A stern drive IO, also known as an inboard outboard, has an outboard lower unit connected through the transom of a boat to an inboard gas/petrol or diesel engine. Outboard Motors: The Good and the Bad A sterndrive motor is a motor that is attached outside the back of the boat. Topic: Outboard vs Sterndrive: Marineac: posted 04-14-2002 10:18 PM ET (US) I have been looking at a Boston Whaler 22-Guardian. Many people considering the purchase of a new boat often ask about the differences between the outboard and stern drive (or inboard/outboard) propulsion. A 200 would work if you ran twins. The engine is then connected through the transom, or back of the boat, to an outdrive unit that hangs down below the boat’s bottom. The primary benefits are lower up-front cost, lower weight, higher speed, and ease of maintenance. They are powered by an automotive engine connected to a drive unit that is both the transmission and the propulsion. 6. Outboards were not thought to be in the same league as the more powerful “inboard outboards." Outboard Motors Pros And Cons Initial Cost Comparison. Inboards on average can run 1,500 hours before tune-ups, while the outboard counterparts typically run 750 hours before service is needed. [What are] the pros and cons of buying a Whaler with a sterndrive (5.7L Mercruiser Alpha drive) versus a boat with an outboard motor? Inboard motors, for example, tend to last longer than outboard motors. Today’s topic aims to provide simple clarification on the differences between outboards, inboards, and sterndrives. The motor that you should use will depend on the type and purpose of the boat being used and personal priorities. The better alternative The Aquamatic combines the benefits of both inboard as well as outboard systems. Reply. It is easy to tilt them completely out of the water when not in use. Automotive engines with sterndrives became the obvious answer. Upvote 0. big steve I Should Upgrade My Account. And push it to 4 outboards on boats over 40 feet, sometimes growing to 5. The difference between an inboard and an outboard motor is that an inboard motor sits inside the hull of the boat while the outboard is attached to the Transom, … The outboard unit connects through the transom of the boat in an inboard engine. 8,200. We need to start an Outboard vs Sterndrive thread! This seems to be a thing of the past though. Sterndrive engines tend to be of larger displacement than outboards of comparable horsepower, and torque is a function of displacement. Johnson Motor Company introduced the first sterndrive in 1930, but the initial design required most boats to be redesigned to accommodate the motor. What are the pros and cons of inboard vs outboard motors? Outboard Vs. Inboard Boat. Outboards provide more room in the boat because they are installed on the transom, outside the boat. A sterndrive, also known as an I/O (inboard, outboard drive), is a marine propulsion system that features a car-like engine in the stern (rear) of the boat. It is on you to decide where and how much. Outboard vs Jet vs Shaft vs Sterndrive by admin 17th July 2019 Lady May, the latest Southstar 37 to be completed by Salthouse Boatbuilders from the Greenhithe yard in Auckland, runs a Hamilton jet drive, the first jet installation in a Southstar 37 and one that was done for the specific needs of the owners. The cruise speed is at around 1 nm per gallon I believe. Is an … Two reasons: Placement - stearn drives are farther from the center of the boat. Outboard motors are bolted to the transom, and hang above the water at the back of the boat. Inboard VS Outboard Engines As we jump into comparing these engine types, it’s important to know a few facts behind the application of each. A sterndrive, also known as an inboard/outboard or I/O, uses a marine-adapted automotive engine mounted inside the hull near the transom. Glastron recently achieved a trifecta of sorts, becoming the first boatbuilder to offer the same 18-foot bowrider with each power option, which presents us with a golden opportunity — the chance to finally mount a real head-to-head comparison of outboard, sterndrive and jet … In some classes of boats, they aren’t quite as efficient as inboards with stern-drive propulsion systems. Mar 25, 2006 1,732 0 54 orange Name A sterndrive setup is very similar to the inboard motor setup in the sense that again the motor is concealed as well as fixed in position. Inboard/outboard (I/O) also known as Sterndrive is a hybrid of both outboard drivability and inboard power. Sterndrive engines are a combination of inboard and outboard engines. Boat Engine Comparison Outboard Vs Sterndrive Jet Drive Boating Magazine. However, diesel inboard sterndrive motors remain winners in this race for fuel efficiency. A sterndrive system mates a V6 or V8 engine located inside the boat with a steerable outdrive and propeller attached to the boat transom (a sterndrive is also often called an inboard/outboard, or I/ O). Outboard engines consist of an all-in-one unit positioned on the rear of the boat. STERNDRIVE VS. INBOARD VS. JET VS. Here are just a few advantages the outboard has over the stern drives: Outboards are designed specifically for boating. level 2 Report Save Follow. Because the drive unit projects from the stern, it's called a sterndrive. Or they have an outboard lineup and an inboard lineup. Would prob have to settle on I/o. A turn of the steering wheel turns the entire drive, just like an outboard. Let’s look at the different drive types, and review the pros and cons of each. How a boat is powered and the type of transmission attached can also have a large impact on maintenance costs. The engine’s drive unit lies just below the swim deck with the motor mounted under the transom. Main Differences Between Inboard vs. Outboard vs. Inboard. The boat on the left has an inboard or sterndrive motor and the boat on the right has an outboard motor. Inboard Vs. The debate between sterndrive and inboard propulsion has raged on for decades. A sterndrive or inboard/outboard, aka I/O, is a combination of an inboard motor with outboard drive. I would only go with an inboard to have the fuel economy of a diesel. 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 Top. From where the best fishing spots are to the fight of monohull vessels vs. catamarans, there are plenty of arguments to be had.However, one of the more technical of these battles is the discussion of outboard motors vs. inboard motors. When I was growing up in my father’s boat dealership we did not like sterndrives. Outboard Maintenance Costs & Ownership Because it will usually weigh less and be a more-efficient design, an outboard motor will typically deliver better fuel economy than a sterndrive. These variables might make or break your final decision. by baz on Sun Apr 09, 2017 7:01 pm. Outboard vs Sterndrive Outboard or Sterndrive: which is the best for you and your family? Pros: 1. Also, being aware of the quality of your fuel is very important too. Posted by 3 years ago. OUTBOARD. Choosing an inboard or outboard motor for your boat is simple once you are familiar with how your needs affect the decision. Set Aside Pre-Made Notions. Raw water cooled stern drives also have a thermostat, 9 out of 10 do not close anymore after a few years in seawater due to marine growth, but they have one.
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