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Inboard vs outboard2/20/2023 The sterndrive I/O has many advantages compared to a regular inboard boat motors. The sterndrive is a widely available and popular for boats under 30 feet. The Sterndrive Inboard/Outdrive MotorĪ 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. Speaking to a professional is well worth your time and money to speak to the experts. It is an expensive investment and it is worth taking your time choosing the best model for you. Choosing between these engine drives, should be given careful thought. Most express cruiser style power boats offer both sterndrive inboard outboard (IO) and inboard (direct drive or V-drive) engine propulsion system options. You will need the engine serial number, which should be on a brass plate someplace, before he can give you any specifics.We are comparing Sterndrive 1/0 vs an inboard engine for Power Boats. They also do overhauls, good work at reasonable prices. But if you can find a warranteed used engine and get it installed at a reasonable price, or if you can do your own overhaul work, that's something else again.ĭick Vosbury at Vosbury Marine (Annapolis, you can find them on the web) is a great contact to ask about Volvo matters. I wouldn't suggest repowering with a new engine because they cost so much. Others may be perfectly good for 20 more years. If the original Volvo engine is still there, some of them are beyond rebuilding by now, due to raw salt water eating the block for too long. Albin was and is a good shop, they designed that boat inboard only-for a reason. But if you really want to go sailing and cruising on the boat? Keep it inboard. If you only wanted the engine to get in and out of your marina.sure. With the more central weight and ballast of the inboard engine replaced by the extreme outboard location of the outboard engine, you are going to pitch and hobbyhorse way more and motoring in rough wx, even with the long shaft engine, may be impossible. Second, with a 27' boat you still will be very much subject to wave motion in rough wx and "small craft warnings" are fairly common wx in most places. The extra money you spend for one now, with an inboard engine, will mainly come back to you when you sell it. There are two other aspects to inboard/outboard.įirst, sooner or later you may sell the boat. I had a 25hp longshaft on my 11' Whaler for a couple of years - It's not ideal, because the extra shaft length will slow you down, but it does set up one hellva-cool rooster-tail (at full speed mine was a good 15' high! - The harbour police will see you speeding from a mile away so make sure you have a good story ready! swinging a normal sized prop) You CAN put it on a dinghy. You can add a solar panel if you need the extra juice.Īnd if you get a Longshaft without the high-thrust option (i.e. Did I mention I got it used for 600 bucks? If it really craps out, and can't be fixed, I can replace it - In fact, I could keep replacing outboards close to TEN times to equal the same cost as a diesel overhaul! I think if you are really on a budget then outboards are the way to go. VERY quiet - I'm planning the same kind of ICW trip you speak of and am happy that I will not hear a diesel engine the whole way down! Since it is High-thrust, the prop is larger and has more bottom end-torque, hence, when I put it on my 11' Whaler, it wouldn't get it to plane. I have a 1994 9.9hp High-Thrust Extra-Longshaft with High output alternator (I think 15 amps) on my Bayfield 25.
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