What Length Outboard Do You Really Need? - Van’s Sport Center

Whenever I'm fishing 95% of the time I'll with a fishing buddy, plus I can also move my two batteries to the front of the boat. Versions; I would guess that about 98% of such engines that I have seen. After the outboard motor is installed, you can check if its shaft length is suitable. Long Shaft Vs Short Shaft Outboard | What's The Difference. This article discusses the difference between long and short-shaft outboard motors and the effects of the wrong shaft being installed. Engine: Johnson 5hp.

• Short shaft vs long shaft outboard transom measurement
• Short shaft outboard vs long shaft
• Outboard motors long shaft vs short shaft

Short Shaft Vs Long Shaft Outboard Transom Measurement

The general guideline for longer shaft outboards is that the transom height should be at least 20 inches (50, 8cm) above the waterline. There is a remote possibility, that there is a housing extension, and shaft extender that can be removed to convert to short shaft. Look at the Water's Condition. MMSI Number: 235900806. Will Charpentier is a writer who specializes in boating and maritime subjects. 🤷♂️ What Happens If You Put A Long-Shaft Motor On A Short-Shaft Boat? Have about an extra inch or so of length. You intend to obtain your outboard motor. This can affect top-end speed and fuel economy (or battery endurance. Short shaft outboard vs long shaft. Transom is for a 15 inch outboard. For vee-shaped hulls, the lowest spot of the hull will come to point, while on flat-bottomed boats it will be more or less level. But is getting the outboard shaft height essential? Here is a link to one such type of jackplate:... w_id. My boat the motor seems to cavitate or come out of the water often, do I. have the incorrect shaft length?

Joined: 30 Dec 2014, 13:05. Numbers and ratios are better discussed "on the paper" or on the screen for that matter, rather than over the phone. Between a "long shaft" and a "short shaft" outboard. The propellor should operate in clear water underneath the boat's hull.

Again the yardstick or ruler will come in handy; one merely measures the height of the transom at the motor. Yard stick will only touch the top of the transom, not the bottom. This is the distance from the propellor hub's center to the blade's edge. The transom height is the distance from the beginning of the clamping plate to the bottom of the hull's center. If you are measuring for a lower unit replacement and your original lower unit is off of the engine, simply measure from the top of the waterpump to the top of your driveshaft. I will ask my service guy about your hot spot concerns and report back. Been thanked: 776 times. Outboard motors long shaft vs short shaft. An outboard might come equipped with a short shaft, a long shaft or an extra-long shaft, the shaft being the driveshaft that connects the powerhead -- the engine -- to the lower unit, where the propeller shaft, the propeller and the forward and reverse gears all live.

Short Shaft Outboard Vs Long Shaft

How Long Should an Outboard Motor Last. Secured their "prime mover. Choosing a boat engine is not easy. Most sea-going craft. If the top of the transom down to the keel is 15 or 16 inches it's made for a short shaft.

5 Merc and have no issues with it. Containing large numbers of sailboats, for example, will offer more 20 inch. Long shaft vs short shaft. The height of the transom is defined as the distance between the topmost part of the transom and the bottom of the boat keel. Boat hulls are designed in three basic types that range from slow displacement and semi-displacement hulls to the fastest planing hulls. A perusal of local boat dealers' used motor displays will give one an idea. As it is only a get me home back-up I am not too worried that the shaft is a little short. Traxstech Fishing System.

This measurement should equal the aft transom of your boat (give or take an inch). I would chat with one or two boat mechanics on the issue. I don't think I've ever seen a canoe in that size range that needed more than a short-shaft motor. It with a standard coupler will work, but you still need the other.

Outboard Motors Long Shaft Vs Short Shaft

MotoBoat wrote:Here is more info on trasom length vs correct outboard shaft length... " onclick="();return false; I have the option of trying out the motor on my boat on a local lake which I plan on doing this weekend. The big Mercury 90hp and up still made in USA. Engine: 115, 50 & 15Hp Yams. And once you know the answers to all of these questions, you still need to decide what the right shaft length is for your boat. Onclick="();return false;... 0porposing" onclick="();return false; Check out our article on: How Shallow Can My Boat Go: (Guide). Inflatable Boats: Motor Shaft Length For Inflatable Boats –. If you are running a twin-engine setup, then measure the same distance from each clamping plate to the bottom of the hull. Lengths as well; however, there was a five-inch-long coupler. As to the proper motor for that particular canoe, I think the first logical thing to do would be to contact the boatbuilder and since they have most likely tried the boat, I'd ask them what size and/or brand of motor they used and found to work well. Tohatsu (Nissan) and Mercury are same motor if you want to save some coin. MMSI Number: 123456789. After that, you could choose the recommended shaft length based according to the transom height.

In order for a trolling motor to perform properly, the motor compartment needs to be submerged 10"-12" below the surface of the water. The shaft length protruding below the boat's keel may also cause additional drag. Most of them require raising the transom to put a jet on them. Water than what would be ideal, but an engine mounted too. I know they CAN run on 100:1, and quite happily, but in the same way the main engine doesn't NEED an extra bit of premix, it's good insurance. Short shaft vs long shaft outboard transom measurement. I suspect I am a few weeks ahead of you in fitting out, for you appear to be encountering the same questions I have recently dealt with. If you know what your doing you can also replace the transom wood with a new one cut to the correct height for the motor you want to run.

Just measure the distance between the motor mount and the water surface. No matter what size of boat you are running, one of the most critical choices you can make when buying an outboard motor is the shaft length.

Fri, 03 May 2024 02:37:30 +0000