Driver shaft vs 3 wood shaft general equipment talk. The spaniard uses 100gram shafts in his 3 and 5woods. Outboard shaft length vs transom height woodenboat. Graphite clubs are slightly longer, with a standard driver at 45 inches, 5iron at 38. Every club in this test, swing weighted to a d4 or d5. The transom height of a boston whaler outrage 22 for a single engine installation is designed for 25inch shaft length engines. Golfers have experienced the following when they use a 46 inch driver shaft. As you can see in the above illustrations, the different length motors either have no or 2 different height spacers. One thing i shall touch on in the next article which is about swingweight i. I compared my driver with his bridgestone j33, i think, and mine was short for about one inch.
Outboard shaft lengths and transoms boat builder central. If youve installed your shaft uncut then youve built something approaching long drive competitor length although cobra are going to be releasing a 48 gamer driver soon. Pete just make sure you keep the anticavitation plate. The distance for the keel to the top of the transom is 17. Industry standards dictate that for short shaft engines the transom height should be 15 a long shaft engine requires a height of 20. Dec 26, 2009 i have a 16 duracraft with a 20 transom. In addition to providing structural support for the boat, the boats transom holds the outboard motor. Boat hulls are designed in three basic types that range from slow displacement and semidisplacement hulls to the fastest planing hulls. When i calculate my 36 inch wrist height with a 55 lie head i get 44 inches for the shaft, but have been recommended for 44. Hey folks, ive read a lot of articles and feedback some from reddit regarding players shortening their driver shaft length in order to achieve more accurate driving. To determine your wristtofloor measurement, wear street shoes and. May 12, 2010 a long shaft engine will work on a short transom, but not as efficiently as a short shaft version. There is no question i have been an advocate for driver shaft length to be shorter than the current standard driver shaft lengths as offered by the various golf equipment companies. Find the right driver shaft length for your game golficity.
As the boat rocks the prop will come out of the water, causing the engine to over rev the intake for the cooling system will be out of the water part timeall the time. Mar 19, 2015 what driver shaft length might help you hit straighter and longer drives. Shaft length is simply the approximate transom height a given motor is designed to fit on. My preferred weight for driver shaft would be something in the 50 60 gram weight, while 3 wood in 70 80 gram feels best to me. The transom height determines the shaft length needed. Most male golfers are wielding drivers that measure 45 to 48 inches, the maximum allowed under the united states golf associations rules of golf. Long shaft motor on short shaft transom indepth outdoors.
The shaft length on a motor is defined as the vertical distance from cavitation plate to the top of the transom when the motor is in a straight up and down position. In reality short can be up to 17, long is anywhere from 19 to 22. Mounting long shaft motor on short transom bass boats. A short shaft engine will not work properly on a high transom. I bought a used 15hp mercury for my modified jon boat. Generally, you want an outboards anti cavitation plate evenflush with the lowest point of the hull or keel. Look up the motor you are intending to buy on there will be specs as to the intended applications including transom heights.
Arm length wrist to ground is actually more important. And the drop in shaft weight from trimming a driver from say 45. My boat has a 15 inch transom, and i really needed a short shaft engine, but couldnt find one at the right price. Watch this quick video and learn how to measure for the perfect sized. The impact of the length of a driver shaft on your game.
Your clubs should complement your height, wristtofloor length, ability and. What is the ideal driver shaft length according to height. Older motors measured 1718 inches were short shaft, for a 15 inch transom new short shaft measure 15 inches. Can you use a short shaft outboard on a 20 inch transom. If it is indeed a long you can absolutely invert a hydraulic jack plate and it will work. For reference, when i hit a fairway i usually end up at par for the hole. The shaft length are 15,20, and 25so you need a 25, butthere is always a butthere are devices called jack plates, that can move the engine up and down on the transom basically you attach the jack plate and bolt the engine to it. A long shaft engine will work on a short transom, but not as efficiently as a short shaft version. It is not the distance measured from the mounting bracket to the cavitation plate av plate. To determine your wristtofloor measurement, wear street shoes and stand on a hard surface with your arms relaxed at your sides. Most short transoms range anywhere from to 17 inches. Height is only one factor to consider when determining driver shaft length. I own a re226 that the manufacture says has a 20 inch transom height. Measuring shaft length clubs, grips, shafts, fitting.
Its height is important in several ways, most of which have to do with your outboard motor and how your boat rides though a swell or on calm water. If your boat is designed for a 20in shaft, a 25 in shaft will bury the prop to deep and kill your speed. Anything bigger than that your obviously going to need an extra long shaft. Ive just recently changed all my iron shafts from steel to graphite 60g. Transom height vs shaft length you do not measure to the bullet. I was unable to control it so i got a pf v2, 86 gram, xflex and played it at 43. An outboard motor is a propulsion system for boats, consisting of a selfcontained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom. Driver shaft length are you shorting yourself using a 46. Feb 25, 2015 and the drop in shaft weight from trimming a driver from say 45. Shaft lengths are nominally 15 short, 20 long, 25 xlong. Jan 28, 2014 consistent weighting is the reason garcia takes on extra heft in his driver shaft.
Like u said if the transom height is 25 than u need a 25 length on the outboard it is measured from where the engine sets on the top of the transom to the large plate above the prop which should be level to the bottom of the boat. I have an alumacraft v16 that i unbolted the wood transom and epoxied 2 pieces of 34. From the beginning of the 20th century all the way through to the middle 1980s, the standard mens driver length stood at 43. Only saltwater boats typically have a long shaft requirement. However, 5 inches off and youve got a problem, so try to be as close as possible to matching your motor shaft to your transom height. Sep 17, 2003 the shaft tube is a localy purchased shaft tube with a stuffing box on the inside but not what you would immagine, the stuffing box is another 12inches inside of the transom with a stainless steel threaded tub inbetween the two. The uscg, abyc, canadian and iso rules all use the same formulas for horsepower for outboard powered boats under 20 feet 6 meter based on center line length, transom width and transom height. This is another golf qna golf video from askgolfguru mark crossfield pga professional. What determines the length of shaft needed on an outboard. The height of your boats transom will determine the shaft length you need when purchasing an outboard motor.
Driver shaft length too long for most players clubs. Boat transom heights the beginners guide my westshore. Motor height on the transom is an important factor in achieving optimal performance. Ille get my mate around again with the digital camera. How is driver length related to wrist height standing up vertically. The shaft is 4 foot in total length and is 2 inch dia. I got a bargain on a 30hp nissan its short shaft about 5 short, any ideas on how i could use this motor. Stock shaft length driver, raw without adapter is this a mistake, 2. You wanna have the least amount of motor in the water while still giving you power and control and not blow out in turns. What is the proper driver shaft length and how much does height.
When the right length motor is hung on the transom of a boat, the cavitation plate the large plate that extends out over the propeller should be even with the very bottom of the boat. Short shaft motor and transom height question gon forum. For reference, when i hit a fairway i usually end up at par for the hole but i struggle to keep my drive straight. Outboard shaft length vs transom height the distance for the keel to the top of the transom is 17. In fact, many tour pros use driver shafts less than 45 inches. Transom height vs motor shaft length hurricane deck boats. I originally started with a stiff pl red driver shaft at about 45 as my swing speed increased i went up to an xflex a little longer. Height of the motor off the transom this is simply a measurement taken from the top of the transom top of the aluminum plate on top of the transom, to the bottom of the motor brackets. The standard length of a mens driver is roughly 43. If you are building or rigging your first outboard powered boat, you may be confused by shaft length, transom heights and ideal vertical location of your outboard. I took my current driver, which is the titleist d3 8. An ipb 14 has a 15 inch transom, so the short shaft motor referred to as having a 15 inch shaft is what you need.
Length of shafts according to height in golf sportsrec. How to measure a long or short shaft outboard engine. Im 62, but have long arms, so i can comfortably swing a 43 driver. Measure from the top of the transom down to the bottom of the hull or keel lowest point. The yamaha 115 that came with the boat has a 25 inch shaft length. Meaasure from the center of the boat at the top of the transom to the very edge of the bottom. This measurement should equal the aft transom of your boat give or take an inch. Using trackman my idea was to test the same golfer, clubhead and golf ball, but change the shaft length. A 15 short shaft outboard will work with a 16 transom.
If youre willing to give up a fairway or two per round in exchange for some extra yardage off the tee, use a longer driver shaft. The shaft length on outboards definitely isnt approximate. How to measure your outboard motor shaft length boating. May 02, 20 my preferred weight for driver shaft would be something in the 50 60 gram weight, while 3 wood in 70 80 gram feels best to me. My thought is that control must be enhanced when the shaft doesnt rise above your natural measurements with a square address. Dec 24, 2011 outboard shaft length vs transom height the distance for the keel to the top of the transom is 17. My current average driver distance is 190 metres 209 yards. Calculating engine mounting height based on set back. A long 20 shaft will not work too much outboard in the water, which will cause unnessecary drag. I am purchasing a transom elevator for my boat so that the motor can be properly mounted, and will pe. Will a outboard with a 20 inch shaft fit on a boat with a.
Have the motor mounted either on the transom of the boat, or on a. When the boat is on plane, the boat is completely out of the water from the bottom of the boat transom. Consistent weighting is the reason garcia takes on extra heft in his driver shaft. May 24, 2008 tony, are you sure its a long shaft transom. Nowadays, with seemingly never ending race to claim longer drives, driver manufacturers have even been selling standard shafts as long as 45 inches. Oct 30, 2012 i have been reading the posts about shaft length and weight and i wanted to share what i have tried and what works for me. Long shaft outboards and short shaft outboard motors. Long shaft vs short shaft motors microskiff dedicated. Short, long, extra long which shaft length do you need for you boat. Picking the right shaft length is mostly a factor of the transom height or the back of the boat. Converting motors with one shaft length to another length.
The standard length of a driver for men used to be 43. Nov 07, 20 the standard length of a mens driver is roughly 43. The outboard motor shaft length and transom length need to match in order for the motor to be at the right height while it is operating in the water. Jim furyk, for example, is one of the most accurate in the game off the tee, and his driver shaft measures 44. Some players can hit pretty well when they use a driver with a shaft length of 46 inches. I have been reading the posts about shaft length and weight and i wanted to share what i have tried and what works for me.
Each individual hit 10 balls with each driver length in no particular order. With drivers the shaft length you choose will effect the amount of. Jan 03, 2017 ive just recently changed all my iron shafts from steel to graphite 60g. An experienced clubmaker or a professional will be able to build in the requisite compensations into your clubs if you do decide to change the. Standard mounting a correct conventional installation would generally place the ant ventilation plate on many. How to measure an outboard motors length it still runs. So i do not have the same shaft for driver and 3 wood. Drivers with graphite shafts have a standard length of 46 inches. Driveshaft lengths are standard throughout the boating industry. Clubs other than drivers gradually get shorter if a 44inch steel shaft driver is indicated by the chart, your 5iron will measure 38 inches and sand wedge 35. This measurement is primarily designed for single motor propulsion.
What is the correct height to mount the engine on the. But in many cases, its a little more complicated than that alone. The shaft tube is a localy purchased shaft tube with a stuffing box on the inside but not what you would immagine, the stuffing box is another 12inches inside of the transom with a stainless steel threaded tub inbetween the two. Sometimes called xlong or xl shaft, this is usually seen on motors over 40hp, or on sailboat motors. Sep 17, 2010 like u said if the transom height is 25 than u need a 25 length on the outboard it is measured from where the engine sets on the top of the transom to the large plate above the prop which should be level to the bottom of the boat. Measure the area of the transom directly where the engine will be mounted.
If a 30inch shaft length engine is installed on a transom designed for 25inch shaft length, the engine should be mounted five inches higher than normal. I used to be quite a fuss pot over this issue, and insisted that at least brand wise, my driver, 3 wood, hybrids must be the same, although of different weight. The driver has a speeder shaft, and the grip is covering a little of the speeder letters written in the shaft. Going with the same weight with the driver shaft keeps. Aug 20, 2015 using trackman my idea was to test the same golfer, clubhead and golf ball, but change the shaft length. I would suggest you are going to be looking at butt trimming your shaft. The engine shaft length should be the same as the transom height on the boat. Standard mounting a correct conventional installation would. Basically, there are three main ways to measure motor height that im aware of. However, in the 21st century a standard driver is considered to be 45 inches. What driver shaft length might help you hit straighter and longer drives.1363 538 1619 1097 963 892 424 1085 600 907 1026 636 1135 1174 765 459 602 401 1199 923 1158 1079 1087 116 1176 630 564 199 329