![]() I did the same sort of repair to my transom due to wood rot where the swim grid mounting bolts came through. Using the steel plate will help but listen to what marshmat has to say - he is absolutely bang on. Let it set for several days, preferably a week, before using it. Strength comes from being smart in the layup of the cloth, not from using lots of resin- use only enough resin to wet out the cloth without bubbles forming, and stagger the sheets of cloth. (Definitely use epoxy for everything here, polyester is not nearly as good a choice for repairs like this.) Then you can lay up the repair. Now you can mix up a filler of epoxy and microballoons (or whatever), fill the bigger cracks with it and fillet the joints to a nice round radius. When you think you're done, repeat twice more. Clean it according to the directions, test if water beads, then repeat. Now clean it with a solvent like Interlux Fibreglass Solvent Wash (some just use acetone), that will remove all the wax and grime. Then the surface has to be sanded- if there's gelcoat then sand it off, if it's just glass then sand until you are close to the individual fibres of glass (but don't sand through them). ![]() ![]() Your repair probably would have held had the surface been properly prepared. Now I’m thinking the transom needs to be reinforced to help support the motor also when trailing the boat I have to go across quit a bit of train tracks which are really bumpy.Īs far as the trailering goes, a "transom-saver" bar that braces the OB's lower unit against your trailer's frame, works wonders on this problem. The fiberglass has since started to peel away from the edges, I thought maybe this was because I did not prep the area first and applied the fiberglass in the 4 – 6 inch crack and put sheets of glass over the black and white splash looking paint. It cured just find since then I’ve taken the boat out several times running way too fast across rough water, blasting across waves around St. So I purchased a fiberglass kit and filled in the cracks and added 8-9 heavily saturated sheets to these cracks. Well I purchased the boat knowing it had some slight cracking where the mercury 90hp two stroke outboard mounts on the interior of the transom next to the lag bolts the longest being on the left side if standing behind the motor and a slight crack on the right. I have a 16 ft Aquaforce, that I recently purchased used, the Hull # indicates it’s a 95.
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