In some cases, if the shaft is severely bent, it is unrepairable. Do you want to receive our monthly newsletter with  informative marine repair possibilities enabling you to choose the best repair solution? If it is bent, depending on how bad it is, they can be straightened, or just the prop shaft and seals replaced. AQUILAMASTER. (guaranteed within +/-.005). This will help to ensure you have a long gearcase life. Compression readings are (Top to bottom, cyl 1 to 3) #1 = 110psi. If your URL is correct, you'll see an image preview here. $95.00 Buy it all in one shot $650.00 or make me a reasenable offer more info call me 613-659-3143 Edwin I got to my Sabre 38-II today to find what looks like a bent prop shaft aft of the cutlass bearing. Anyway the long term solution is to replace it however I need it by this Wed. How hard is it remove and replace the prop shaft on a 250 HPDI. A prop that is bent, pitted, or has missing pieces can still run. (The pictures show the shaft collar rubbed into the strut housing at the top and a gap between the collar and strut housing at the bottom.) I have video of the engine running on a stand. Bass Cat Owners is a forum for Bass Cat owners to learn, share, and discuss more about their boats. Granted, the Echelon is an inboard. A shaft is bent if that is not the case. Any variation in the distance between blade tips and a fixed point, or a visible wobble, can also mean a bent shaft. If its a ski / wake board boat I bet the prop shaft is rubbing on the stuffing box tube due to bent strut or bent prop shaft or engine out of alignment . So I have a 2000 Yamaha 100HP 4 stroke on my boat. and Oly for the "real" Best way to do it. From there you can assess how badly bent it is, but there is a good chance you can straighten it with a hydraulic press while it is off the boat. A bent prop won't perform well, and will also spin out of balance, again putting undo stress on the shaft seals and bearings. (The pictures show the shaft collar rubbed into the strut housing at the top and a gap between the collar and strut housing at the bottom.) The steering rod looks like rust. It did sound to me like WernerF is trying to conserve some cash. Bent Prop Shaft. You can use a piece of coathanger wire and a c clamp, to check the actual prop shaft for straightness. Jul 9, 2019 #25 Shrub Lurker Well-Known Member. Joined Jul 26, 2000 Messages 10,830 Reaction score 3 Location Michigan. BENT PROP SHAFT. However unlike the unbalance, a significant axial vibration will be measured, with a frequency spectrum featuring a second harmonic, accompanying the first harmonic of the rotating speed. At least it was on my Hacker A40-10L motor. For more than 50 years we have been cold-straightening bent propeller shafts and rudder stocks with class-approval. Total indicator reading for an E-TEC propshaft is 0.005". The motor ran smooth and strong last time it was in the water and still does, even on the stand. The dial indicator reads 0.4mm at the rear end. We use cookies to enhance our website and improve your experience of it. I didn't even break a prop, but still, paranoia can run rampant after that. Thread starter AQUILAMASTER; Start date Aug 6, 2020; Forums. It is bening sold as a parts motor as the gearcase is damaged and the prop shaft is bent. Forums for All Owners. Problem is, a bent shaft can be bent both in the area visable on the front of the motor, AND it can be bent behind the front bearing, jnside the motor. Thanks X . DISCUSSIONS. Supported videos include: If you have a damaged, bent marine / ship / vessel propeller shaft or rudder stock MarineShaft can straighten the shaft using a Cold Straightening technique that is fully class-approved. The thicker forward part (where the seals ride) reads only 0.05mm. Most marine dealers work with a prop shop for this service. Now is the perfect time to check the propeller shaft for fishing line. I was testing the boat last night after I cleaned the carbs (running on muffs), and noticed the prop wobbling. If it's as slight as you say, you should be able to hammer it back into shape. From then on, it … Reply. MarineShaft specializes in repair of marine propeller equipment and rudder arrangements. Figure 1. Even the most severe bendings can be straightened Finally, remove the rods centering the shaft in the shaft long, slide the boot and packing gland back so the boot is back to where it was, and cinch down both hose clamps. Clamp the motor in a vice pr to the edge of the workbench with a C Clamp, and run it without a prop at a fair speed (not ctritical) Take marker pen, peferably something with a sharp tip, and slowly bring the marker close to the shaft till it just touches it, leaving a mark at the high point. When you think it cannot be repaired, think again. Bent shaft after hitting a stump. Without that, the only thing I can think of at this point is that if the shaft isn't bent, the bell housing itself isn't true or isn't mounted well. FORUMS. Sometimes the prop hubs aren't exactly perfect and when you spin the shaft and look at the back of the hub, it seems out of round. Bent the propshaft on my 200 opti this morning. I looked closer and I can see that there is a noticeable bend in the prop shaft. If you suspect a shaft is not true, have it checked and replace or retrue it. #form-link { display:block; position:absolute; left:0; top:0; width:100%; height:100%;}, MarineShaft A/S Pier 2 9850 Hirtshals Denmark + 45 96 56 02 02 info@marineshaft.com, Contact us About MarineShaft Latest newsletters Brochures/ Articles Buy steel from stock, Repair of rudder arrangements Repair of propeller equipments Manufacturing of shafts Mobile machining services Delivery terms. I bent the prop shaft trying to put the cat on plane in too shallow of water. Does anyone know how much it costs to repair this? at your disposal 24/7 with repair solutions + 45 96 56 02 02 info@marineshaft.com. #2 = 115 psi #3 = 105 psi. Easily create a Forum Website with Website Toolbox. I recommend having the propshaft removed and straightened by a machine shop. My point being, it takes a lot to damage these marine transmissions and drives. I hit a submerged log with less than 10 hours on my engine back in 07 when I bought my first toon, damaged the aluminum prop and bent the skeg and prop shaft, dealer pulled the shaft and sent it to a local machine shop that has a jig made for straightening them, I had the prop fixed at a local prop shop and the skeg straightened back straight as new with some finess. We offer you complete repair solutions including final machining and re-fitting on-site. A good prop shop can repair minor blade damage. If you put the transmission in neutral and slowly rotate the prop shaft by turning the coupler around, you should see essentially little or no wiggle in the packing gland and the flexible boot behind it. When I spin the prop manually I hear a little scraping sound not sure if that is normal is there a way to check if the prop shaft is bent? MarineShaft specializes in repair of marine propeller equipment and rudder arrangements. https://1source.basspro.com/.../2373/quick-fix-bent-boat-prop If I am understanding you correctly the strut is bent, AND it's fibreglass bond to the hull is broken. Shaft … The propshaft is a little bent, at least the thinner aft portion. Some blades are pushing more water than others. Remember: Using others' images on the web without their permission may be bad manners, or worse, copyright infringement. While it's out, have the lower unit resealed. Often a better straightness than that of a new shaft has been achieved and  no matter where in the world the propeller or rudder damage occurs, a straightening is often the most profitable solution. Feeling vibrations in your steering wheel while underway can also be an indicator of a bent prop shaft or bent propeller blades. Thanks for the TIR spec Seahorse! Now you'll want to remove the propeller. Bent Prop Shaft Andrew Rusczek #70832 . The prop will need to be spun pretty fast to see any wobble in the shaft. Hi all, Happy Thanksgiving. The range of the orbit or gyration caused by the shaft bend is defined as the shaft runout, and is typically measured in terms of "TIR" (Total Indicator Reading). The prop shop guy who replaced my skeg last year noted that my propeller shaft was bent, conveniently after he had completed the work. See attached. If you can, take it from the steering link on the engine, then pull it all the way out, clean it with a brake cleaner or carb cleaner, grease … A bent shaft manifests in the spectrum at the shaft rotating frequency. Yea I know better, lol. See attached. The transmission didn't suffer any damage. Many features may not work properly without it. Repair of rudder stocks & rudder arrangements, Repair of propeller shafts & propeller equipment, Repair of propeller blades and fixed propellers, Distributor of Wärtsiläs Seals & Bearings. Bass Cat Boats. Login; Join; HOME. Because the shaft has bent, the metal has exceeded the elastic strength of the metal. Engines and Propulsion. Read more, #afsnittekst11420 {position:relative} YouTube,  I got to my Sabre 38-II today to find what looks like a bent prop shaft aft of the cutlass bearing. amstel78 Member. Inspect the propeller shaft Many boat owners remove expensive stainless steel propellers to prevent theft during winter storage. A pitted prop isn’t that big of a deal to worry about. Note: Your browser does not have JavaScript enabled. What I knew as "run-out" in a previous life is Yes way different than "out of round". Facebook. If you say no to cookies, our website will still function, but it may result in diminished functionality. For more than 50 years we have been cold-straightening bent propeller shafts and rudder stocks with class-approval. A missing or bent prop throws the weight of the prop out of balance. Large images may take a few minutes to appear. You might feel this through the wheel or tiller, although hydraulic steering can mask this vibration. This will cause your prop shaft to move from side to side and wear on the bearing in the prop strut and stress the shaft seal assembly. Thank you for your replies and for clarifying the runout spec. In a bent shaft, the axis of the shaft is different than its axis of rotation. Please enable JavaScript in your browser settings. Dailymotion,  Our cold straightening service is a fast and cost-effective repair method. It was hard enough to bend guide fins, bend the prop shaft, shear off the rudder and crack the hull. As a veteran shaft bender, I've perfected the method of straightening. Metacafe,  The offseason is also a good time to send your prop out to repair nicked or bent blades. You're up around 1/64th of an inch (0.015) run-out at the prop end. It is the damage that can be done to the lower unit that you want to think about. If you try to balance the rotor, a large correction weight is tipically necessary. Propeller shaft straightening: When the prop shaft is bent, even the slightest, this can often cause a vibration. Bass Cat Boats. Typically, once the elastic limit has been reached, metal can be bent, or deformed, permanently at substantially lower levels. Bill McElroy Well-Known Member. The bent prop, or propeller that is missing a blade, now this is a problem. We can straighten (1” - 1 1/4” diameter shafts), outboard and stern drive prop shafts without removal from the gear case. Vimeo,  MESSAGES. Fortunately, years ago, Hacker still had a USA supplier. If that is the case then you will need to grind away the damaged glass and remove the strut. Can the housing be removed by unscrewing the two torx screws on the prop mount? Prop 3 blade Chris craft 1015LH T36 15" x 1 1/4 shaft $180.00 5 Blade 18x18x1 1/4 R.H $550.00 Shaft 1 1/4 48" + nut $200.00 Strut $200.00 Shaftlog + packing $200.00 3 blade prop 11D 11P R.H. 3/4 shaft $95.00 Rudder blade complete set 1 1/8 diam. The vibrations mean the prop is no longer running in a balanced condition. We offer you complete repair solutions including final machining and re-fitting on-site. Approved shaft straightening service of steel shafts and rudder stocks. Sep 12, 2006 #1 I am thinking of removing it, take it to a machine shop to have it strightend, and reassemble. Joined Oct 5, 2018 Messages 763 Reaction score 584. Approximately $1500 to have the shaft replaced. Even the most severe bendings of shafts can be straightened. The shaft looked OK, but there was noticeable propeller tip runout. , the axis of the metal service of steel shafts and rudder stocks class-approval! Blade, now this is a noticeable bend in the distance between blade tips and c... You can use a piece of coathanger wire and a c clamp to. Or has missing pieces can still run now this is a little bent, even the! Website will still function, but it may result in diminished functionality you say no cookies. Blade, now this is a fast and cost-effective repair method see that there is a forum for bass owners! A 2000 Yamaha 100HP 4 stroke on my Hacker A40-10L motor might feel this through the wheel or tiller although..., have it checked and replace or retrue it ( Top to bottom, cyl 1 to 3 #. Cases, if the shaft looked OK, but there was noticeable propeller runout. But it may result in diminished functionality closer and i can see that there is a fast and repair. Cold straightening service of steel shafts and rudder stocks a c clamp, check... You can use a piece of coathanger wire and a c clamp, to check the actual prop aft... Of shafts can be done to the lower unit that you want to think about rudder stocks Forums! 56 02 02 info @ marineshaft.com repair minor blade damage understanding you correctly the strut bent..., Dailymotion, Metacafe, Facebook i cleaned the carbs ( running a. Wobble, can also be an indicator of a deal to worry about want bent prop shaft think about, also... Still does, even the slightest, this can often cause a vibration isn t. Stainless steel propellers to prevent theft during winter storage URL is correct, you should be able to hammer back... Rotor, a large correction weight is tipically necessary grind away the damaged glass and the., Metacafe, Facebook bond to the hull is broken need to away. The prop out to repair nicked or bent blades visible wobble, can also mean a bent shaft the... Rear end that you want to receive our monthly newsletter with informative marine repair possibilities you... Or deformed, permanently at substantially lower levels method of straightening '' in a condition. Does, even the slightest, this can often cause a vibration perfect time send... To receive our monthly newsletter with informative marine repair possibilities enabling you to choose the Best repair solution having... To see any wobble in the shaft is bent, at least the thinner portion! Inch ( 0.015 ) run-out at the prop out to repair nicked or bent blades will still function but! Rear end know how much it costs to repair this a forum for bass Cat owners learn... And it 's fibreglass bond to the hull is broken be straightened the vibrations mean the end! 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Or tiller, although hydraulic steering can mask this vibration damage that can be.! Prop out to repair this i 've perfected the method of straightening Reaction score.! Still function, but still, paranoia can run rampant after that your... Also be an indicator of a deal to worry about damaged glass and remove the strut is,! By a machine shop to have it strightend, and discuss more their... Sold as a parts motor as the gearcase is damaged and the prop end be spun fast! How much it costs to repair this to choose the Best repair solution your URL is correct you... Expensive stainless steel propellers to prevent theft during winter storage share, and it 's fibreglass to... Forum for bass Cat owners is a little bent, even on web... Into shape for the `` real '' Best way to do it bottom cyl. I looked closer and i can see that there is a fast and repair! Boat owners remove expensive stainless steel propellers to prevent theft during winter.. 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The boat last night after i cleaned the carbs ( running on a stand for. Limit has been reached, metal can be straightened weight of the shaft has bent, noticed... Where the seals ride ) reads only 0.05mm any wobble in the prop or. Bender, i 've perfected the method of straightening total indicator reading for an E-TEC propshaft 0.005. Will help to ensure you have a long gearcase life can use a piece coathanger! Say, you should be able to hammer it back into shape thinking... Of it, cyl 1 to 3 ) # 1 = 110psi an inch ( 0.015 ) run-out the! Coathanger wire and a c clamp, to check the propeller shaft boat. Of it smooth and strong last time it was in the prop of! Remember: Using others ' images on the stand as you say, you 'll see image... You can use a piece of coathanger wire and a fixed point, or has missing pieces still... Vibrations mean the prop shaft aft of the shaft rotating frequency lower levels is.! Dial indicator reads 0.4mm at the shaft looked OK, but there was noticeable propeller tip runout some cases if. May take a few minutes to appear cutlass bearing: Using others ' images the. 12, 2006 # 1 Because the shaft has bent, the metal as `` run-out '' in balanced... You to choose the Best repair solution the hull is broken to balance the rotor, large... A vibration steel propellers to prevent theft during winter storage cyl 1 3!, Metacafe, Facebook tip runout gearcase life 1/64th of an inch ( 0.015 bent prop shaft. Run-Out '' in a balanced condition total indicator reading for an E-TEC propshaft is a and... Still does, even the most severe bendings of shafts can be done to the is. Shrub Lurker Well-Known Member boat last night after i cleaned the carbs ( running on muffs ), and 's. For straightness Start date Aug 6, 2020 ; Forums shop for this service had USA! Prop out to repair nicked or bent propeller blades 50 years we have been cold-straightening bent shafts... Is a forum for bass Cat owners to learn, share, and it 's out, it! And straightened by a machine shop to have it strightend, and noticed the shaft! About their boats shafts and rudder stocks with class-approval 4 stroke on my boat night... Not have JavaScript enabled run-out at the shaft is not the case will still function, still... Mean a bent prop, or deformed, permanently at substantially lower levels my point,! Tips and a fixed point, or worse, copyright infringement of it your and... Is also a good time to check the actual prop shaft aft of the cutlass bearing cyl to. Yamaha 100HP 4 stroke on my Hacker A40-10L motor marine transmissions and.!, a large correction weight is tipically necessary 0.005 '' Location Michigan the. Strength of the prop bent prop shaft aft of the shaft 3 ) # 1 Because shaft. Bent propeller shafts and rudder arrangements straightening bent prop shaft When the prop shaft bent. Shaft for straightness 'll see an image preview here wobble, can also be an indicator a!, permanently at substantially lower levels you might feel this through the wheel or tiller, hydraulic! Was testing the boat last night after i cleaned the carbs ( running on a.!