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Bought a damaged impulse off Ebay. It had spider cracking through the gel coat but not into the main fiberglass on the bottom of the hull. I repaired the cracking by dremeling a slight V into the gel coat and repairing with RX marine epoxy. The bottom of the boat came out great and after looking through the whole boat, I felt it was not as sturdy in its construction as it should have been. But being I have never owned an RC boat I don't really know. I decided to use 2oz fiberglass cloth and 30 minute epoxy to strengthen the hull. I removed the inner "fun noodle" in the front of the boat and fiber glassed the entire sides of the boat to strengthen the factory seam where the hull and the deck meet. I used a 2 inch strip of cloth to make sure I had enough material above and below the seam. I then fiber glassed the lower section of the hull on both sides of the battery tray and in the center of the boat. Being the only spot you couldn't reach was the tip, I mixed up the epoxy with fiberglass resin and poured about 4 drams into the tip. This was in case of a front end mishap so the nose didn't completely shatter. I also fiber glassed the canopy for extra strength because I saw a few that tore off if the boat flipped. I then scuffed the bottom of the boat 1/3 back after repainting it because I read the scuffing the paint allows for the reduction of the surface water tension to the hull. After scuffing the bottom I decided I didn't like the way it looked. I used a very minor textured type of paint to create the same effect as the sanding of the hull. I am happy with the way the boat turn out but the resin and the fiberglass added about 14ozs in extra weight to the boat. The boat is strictly for fun at a local lake and not for racing. My question is will the added weight cause any issues with the running of the boat? I have yet to take her out for a run.