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I posted this thread a couple of hours ago, and then discovered an earlier thread that Bubblegoose had posted where he had a very similar incident a couple of days ago. Not a good week for busted Genesis transoms 
His actually seems to have more damage that mine. Mine seems intact around the screws holes where the rudder/strut assembly attach, with the crack to one side only. But I'll need to check it quite carefully. Anyway, probably not much more that anyone can add, to help, that has not already been said. Below is the thread I did before seeing the one from Bubblegoose.
Today my rudder hit something in the water at full speed. The boat did a full 360 degree somersault and fortunately landed right way up. The safety screw in the rudder sheared allowing the rudder to hinge up. However there is now a crack in the transom from the force of the impact. I went back out in a kayak to check to see if there was a log or anything solid in the water, but couldn't see anything. I think I may have hit a fish - there was a lot about. The water in the lake is only 2 ft deep. No mark impact marks on the rudder.
CIMG2835_A.JPGCIMG2834_B.JPG
The crack is clearly visible on the photos. It goes right through the fiberglass - not just a gel coat crack. It also goes about 1/2 inch around the side (which you can't see in the photos). Looks like it is going to be a devil of a job to get inside the hull at the back to reinforce it with more fiberglass - the space is so constricted.
Can anyone give me some tips on how to best go about this repair ?
One other thing. I had replaced the 3mm nylon safety screw with a 3mm brass screw because the nylon screws kept shearing through just from normal use. Someone suggested going to brass, which I did. But I guess this required more load to shear and hence my cracked hull. I am thinking about going back to nylon but going to a 4mm screw instead of the original 3mm.
Jon
His actually seems to have more damage that mine. Mine seems intact around the screws holes where the rudder/strut assembly attach, with the crack to one side only. But I'll need to check it quite carefully. Anyway, probably not much more that anyone can add, to help, that has not already been said. Below is the thread I did before seeing the one from Bubblegoose.Today my rudder hit something in the water at full speed. The boat did a full 360 degree somersault and fortunately landed right way up. The safety screw in the rudder sheared allowing the rudder to hinge up. However there is now a crack in the transom from the force of the impact. I went back out in a kayak to check to see if there was a log or anything solid in the water, but couldn't see anything. I think I may have hit a fish - there was a lot about. The water in the lake is only 2 ft deep. No mark impact marks on the rudder.
CIMG2835_A.JPGCIMG2834_B.JPG
The crack is clearly visible on the photos. It goes right through the fiberglass - not just a gel coat crack. It also goes about 1/2 inch around the side (which you can't see in the photos). Looks like it is going to be a devil of a job to get inside the hull at the back to reinforce it with more fiberglass - the space is so constricted.
Can anyone give me some tips on how to best go about this repair ?
One other thing. I had replaced the 3mm nylon safety screw with a 3mm brass screw because the nylon screws kept shearing through just from normal use. Someone suggested going to brass, which I did. But I guess this required more load to shear and hence my cracked hull. I am thinking about going back to nylon but going to a 4mm screw instead of the original 3mm.
Jon
. See my past post to find out why
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