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oldtimer57.
gibbycat wrote: On your 96 Eyra do you have a Manul Jackplate. If so what height are you at. Where do you recommend setting for a Fury. I was thinking of a 25″. What do you think? This is a different breed of Cat. I am running a 96 Mariner Magnum 175 EFI. It is bolted to a Detwiler Hydraulic jackplate, which is bigger than the manual CMC jackplate that it came with. The adjustable plate is about 3/4 -7/8 inch from flush. Turning at 24 Tempest plus at 6k rpms with water pressure of 20 psi. Looking at a 25 to eat up some rpms. Supposed to try a demo Fury in next couple of weeks. That and the fact that I am running Optimas in the back really lightened this beast up…. You can see pics on the owners gallery…….http://bassboatowners.com/AlanSarna.html96 Eyra/12 Mercury 175 Pro XS with 2015 single axle trailer2017 Victory Gunner
I went buy my dealer yesterday, Just shootin the breeze with them and they had two bone stock fury props sitting on the counter one 3 blade and one four blade each had half of a ear missing, and the failure was in nearly the exact same place on each prop, these props looked brand spanking new not even a mark on them, they were just missing 1/2 of a blade on each one and it looked as if they had been torn off not broken from impact or anything. In my days of owning and running Bullets making max speed with max horsepower running sportmaster lower units with extreme high jackplate setting, the only time I have seen half of a blade torn off was when running surfacing style props(surface piercing). I was always surfacing my props but they were supposed to surface and I did tear up a few props in doing so. So knowing fury props like to be deep, I cant imagine someone running a fury high enough to surface the prop, there was no other visible sign to suggest as to why these props just broke half of a blade off. Was it bad metal, fatigue, poor casting? I know fury props are made with a less flexible metal but could it have been so un flexible that starting off with a load caused it to tear the top half of the blade off. It spiked my interest enough that I went home and started inspecting my prop in the same location on each blade looking for signs of possible failure. I did not see any thank goodness but it has me wondering as to what cause the failure on the two props I looked at.
Ive never heard any problems with Furys slinging blades. The prop has been out now for 3-4 years and is the an awesome prop. Why do you ask?
I can tell you what Mercury Marine told me when I was throwing blades on Trophys and Tempest props. They say if you look at the top edge of the prop you will see small lines in the flat surface of the blade and the some are deeper than others. The blades will turn and on blade will be out of the water releasing the stress and when it enters the water again it creates stress causing these deeper slots to begin to develop cracks. I took a small sanding disc in my drill and sanded these lines down to almost a flat surface taking very little material off. From that point on I never threw another blade. Check out your prop and see if it has these small lines.Garry Hagins
I have not herd of any blades being slung but I have herd of several flexing alot and loosing their cup. Which is noticable in loss of performance.
phil, i have a spare 25 fury prop and someone told the person interested in the prop not to buy the prop because furys are throwing blades. i had never heard of this problem, so needed input from people with more knowledge than myself on this subject.Last edited by rbcat on March 15th, 2013, 2:26 am, edited 1 time in total.
Ive run the same one for the last 3.5 years, been worked once and tuned up twice due to rocks and gravel, never missed a beat.
Fury props are not known to throw blades. Fine prop and fast! I have seen Tempest props throw them as well as some of the M series Yamaha props but those are not nearly as thick as the Fury.
If you run the prop at 2.5″ PTP you are surfacing the prop. A 14″ prop has blades that extend 7″ from the prop shaft centerline. Thats definitely going to pierce the surface of the water when you get all the way up on the pad. Ive seen (and taken) lots of video of this. But the more you surface it (higher PTP) the more blade flex you get. Ive lost a couple of chopper ears over the years. Been running a Fury 3 26p on my classic for about a year with no issues. The majority of the boats I see where the props can be seen are generally Fury props (on Mercs anyway). The fury is supposedly a much harder alloy to allow thinner blades. Id think that if one broke, it would be a clean break with a sharp edge where fatigue caused it to fail. No doubt, the bigger the motor, the more stress you put on the prop. “torn” sounds like a strike to me. The choppers I broke were all clean breaks. MOST were at the root of the blade. Managed to catch a couple with stress cracks at the root, before they failed. Never trusted welding so they went to the trash before they could strand me.
Ive heard about a handful of fury fours slinging tips off. My prop guy told me to wait about six months before letting him tune my new four blade. Havent heard of it in the three blade and it may end up being a metallurgy issue.
I have ran 2-3blade fury 26 props1 on a bass cat w/ a 2501 on a skeeter w/ a 300I just bought another as a spare and have had no issue thankfully. there will always be examples of bad props, boats, cars etc if enough are madeit wouldnt stop me from using them or buying them
Havent had a Fury fail me yet. I did have a 25 T1 Yamaha prop throw half a blade off one time running 70ish and warped my prop shaft. Brand new prop with about 5 hours on it. Was on smooth water and 90 deep when it happened. Yamaha warrantied it all. Just a week spot in the prop from the mold for some reason.
I had a 25 fury on my p2 that lasted over 500 hrs. It was reworked at least 5 times. I will let my mercury swing a fury for a 1000 hrs god willing.
Threw the ear off my 25p Fury 4 about 2 months ago. Erya with 250 Merc, clean break, when I took back to the dealer they had a Fury 3 blade sending off to Mercury also.
I lost a blade just today on my Fury 4. It was a clean break. However, it appears to be on a blade that I had some work on earlier in the year. It may have had some type of fatigue from the previous work. At any rate, ruined my day as I had to be towed off Joe Wheeler by U.S. Boat.
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