Some RC boats come with a small water release hole at the front, and there is a rubber seal that comes with it. This rubber seal is small so you may lose it pretty easily.
A quick and simple replacement is duct tape, which is good enough for covering the opening temporarily.
This water release hole is very useful. When water gets into the interior of the boat, you can quickly let the water flow out through here. In fact, if your boat doesn’t have one, we recommend that you make one, by simply drilling a small hole at the front. When the boat runs, cover it with duct tape. When there is water inside, remove the duct tape and release the water.
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