91 SN shaft strut help! |
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mdvalant
Grand Poobah Joined: May-06-2009 Location: Bellevue, IA Status: Offline Points: 2059 |
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Posted: August-27-2009 at 1:18am |
Got a buddy with a 91 SN. He recently slammed into a massive under-water monster and smoothed every blade on his prop and also BENT the strut that holds his drive-shaft in place. Yes, strut that holds the shaft. It is damn near an inch out of alignment. Has this ever happened to anyone? I have never heard of it and of course was not with him to yell at him after he did it...lol So...now we are trying to pull the strut off of the hull and having difficulties getting the screws out to pull it off. Anyone have any tips?
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behindpropeller
Platinum Member Joined: July-31-2006 Status: Offline Points: 1810 |
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Strut is through bolted with nuts on the opposite side, FYI.
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kapla
Grand Poobah Joined: March-27-2008 Location: BA, Argentina Status: Offline Points: 6148 |
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as said above .. you wiil need two persons one on the boat to secure the nut so when unbolting fron the bottom those nut don´t turn loose...did i made myself clear?
once all the bolts are off you will need to hit the strut until it will come off, as it might by glued to the hull with sealant... as for the strut they can be straightened..there was a post here were someone even fabricated a a frame and with an hydraulic jack he fixed the strut... search it here and you´ll find it... |
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<a href="">1992 ski nautique
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Donald80SN
Grand Poobah Joined: January-12-2009 Location: Denver, NC Status: Offline Points: 3896 |
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Some of the better prop shops can straighten out the strut. If the strut is glue down there is a method or using a hot wire to cut the glue. I can not remember the exact process, but do a search on bent strut and it will pop up. Go to the advance search functions to set it for the longest search. It is either 6 or 12 months. The standard search does not go too far back.
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sandstpf
Newbie Joined: June-25-2009 Location: Wisconsin Status: Offline Points: 37 |
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Using another prop shaft through the strut (to bend it back) when it is removed can straighten it. Being accurate is another story. I had a similar problem with my '91 Nautique but the bend on mine was very minimal. If you remove the strut try bolting it to a wall or something very heavy to attempt bending it back. Only a suggestion though, because if your strut is bent over an inch you may want to take it to a shop.
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Finally a 2001!!!
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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I highly recommend that you do NOT try to straighten the strut on the boat using anything to apply force/leverage. Get it off the boat and into a arbor press. Don't half a$$ it!! Chris, Wasn't it you who had some pictures of you using a press to straighten a strut? Looking for a link! |
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SNobsessed
Grand Poobah Joined: October-21-2007 Location: IA Status: Offline Points: 7102 |
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin |
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sandstpf
Newbie Joined: June-25-2009 Location: Wisconsin Status: Offline Points: 37 |
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Second thought probably not a good idea. Pete is right bending without a press is not a good idea. I saw that method of straightening suggested on here a while ago and tried it. It worked for me, but my strut did not need much adjustment. Correct, don't half a$$ it!
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Finally a 2001!!!
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C-Bass
Platinum Member Joined: November-18-2008 Location: Columbus, IN Status: Offline Points: 1248 |
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Haha, I'm picturing someone with a 10 foot cheater ball with 3 of his buddies hanging on it trying to straighten a strut only to rip a basketball size hole in the bottom of the hull. |
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SNobsessed
Grand Poobah Joined: October-21-2007 Location: IA Status: Offline Points: 7102 |
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It took a high force with those bottle jacks to move it. Definitely would crack the fiberglass!
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Bronze does work harden (get harder when bent) but it's always amazed me the amount of force needed to straighten something out after being bent. You'd think hitting a log or rock in the water would do hull damage. Sometimes it does. BTW, Yes, I do have a friend who did use a cheater bar method in a pinch, a bunch of his friends jumping on it to straighten his strut. However, it was on his 24' Chis wood hardtop sedan twin screw. Wood gives more than glass!!!! |
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