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Author Topic:   Bow eye ripped out
28sstony posted 08-03-2009 12:30 PM ET (US)   Profile for 28sstony   Send Email to 28sstony  
My bow eye got ripped loose over the weekend. Its a 78 V-20 with a steel backing plate inside the boat. It ripped the plate into through the thin layer of glass and lodged into the foam. The foam was dry and there isnt any rot or moisture around it.

I was thinking about just beefing the crap out of it with West Systems and heavy mat, and perhaps a larger thicker backing plate. Thoughts.........

Tohsgib posted 08-03-2009 12:40 PM ET (US)     Profile for Tohsgib  Send Email to Tohsgib     
Yup!
towboater posted 08-03-2009 01:41 PM ET (US)     Profile for towboater  Send Email to towboater     
I havent quite started a similar repair to my 18 ft Guardian bow eye that is pretty loose.
My plan is function over looks, probably more elaborate than you need.

Im mulling a fitted ss doubler plate on the outside and then fitting laminate inside with a flat ss backing plate over that. This will spread the load over more area.

I dont know how often I will need the eye to be that strong, but if I do, I dont want to worry about it.


R T M posted 08-03-2009 09:10 PM ET (US)     Profile for R T M    


This can be caused by using a tilt trailer that flexes as you tow your boat. This happened to my newly restored 13 footer a year ago, and this is how I fixed it. First I bolted the tilt mechanism solid so it doesn`t flex or tilt anymore, and I never used this feature anyway. This all happened on one 200 mile trailer trip on a smooth highway.

This is what it looked like after I removed the bow eye, pretty reamed out

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye1.jpg

A new piece of 5/8" stainless threaded rod. Home Depot.

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye5.jpg

A piece of PVC for a sleeve around the bolt.

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye6.jpg

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye7.jpg

chopped up mat saturated with polyester resin and jambed around sleeve, and some pieces of mat and fabmat over the chopped up mat for support.

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye12.jpg


http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye8.jpg

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye9.jpg

I finished it up with a stainless fender washer some 5200, and varnished mahogany donut, no more problems. The reason for the PVC sleeve is so the bow eye can be removed and water cannot intrude into the hull.

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye12.jpg

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye13.jpg

http://i27.photobucket.com/albums/c191/floridaboy2053/Whaler%20repair/ boweye14.jpg

Your hull may be different, but you get the idea.

rich/Binkie

alfa posted 08-04-2009 01:11 AM ET (US)     Profile for alfa  Send Email to alfa     
Nice repair Rich. Hats off !

Alain

PeteB88 posted 08-04-2009 05:38 AM ET (US)     Profile for PeteB88  Send Email to PeteB88     
How did it rip through? Cause - failure mode? What happened?

Thanks

R T M posted 08-04-2009 06:26 AM ET (US)     Profile for R T M    
Pete,
This was the first long tow I made with the boat. Up to the Suwanee river, about 100 miles each way, to an antique boat meet. I had an antique Evinrude on it at the time. I ran the boat and didn`t notice any problems with the bow eye, but on the way home, looking through my rearviw mirror I noticed the bow oscillating up and down about 3-4 inches. The road was very smooth, no bouncing. The next day I discovered what happened, and as the back of the eye was pulled into the hull, the rope became looser and the oscillation worse. When I manually lifted up on the bow, I could see the trailer tilt mechanism was the culprit. The clamp that keeps it from tilting was worn, and allowed the trailer to slightly "tilt" over and over again as it was towed. I fixed it by running a couple of bolts through the tilt mechanism, so its like one piece, and when I tow the boat now the bow doesn`t move up and down, and all is good. Maybe on the bigger Whalers it is different, but on the 13 footer the hull is very thin on the inside where the bow eye is, with no reinforcement at all.
Pulling the boat up on the trailer doesn`t really put much strain on the bow eye, and this wouldn`t have happened if it wasn`t for the faulty tilt mechanism.

rich/Binkie

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