Fiberglass Holding Tank
Sunday - August 15, 2010•Views: 4196••
After seeing the new aluminum holding tank that Nate had made for his 350 I considered doing the same thing on our 350. I also thought of having a roto moulded plastic tank made, but after finding our how weak these tanks are I decided to make a new tank, using Nate's dimensions, using "stitch-n-glue" plywood and fiberglass.
I first cut all the pieces of the new tank out of plywood, covered them with fiberglass cloth and then applied epoxy.
The panels were then layed in place and tied together using 5" copper wires. The joints where glued using a seam of thickened epoxy. After the epoxy cured most of the copper wires were removed and any holes were then filled with epoxy.
The next step in the process was to cover each of the joints, both inside the tank and out, with fiberglass tape and more epoxy. Two more layers of cloth and epoxy were then applied to the inside of the tank.
The baffle was then installed and capacity was tested prior to installing the top. Surprisingly, even though the tank is a different shape from the factory original, it still has a 30 gallon capacity.
I first cut all the pieces of the new tank out of plywood, covered them with fiberglass cloth and then applied epoxy.
The panels were then layed in place and tied together using 5" copper wires. The joints where glued using a seam of thickened epoxy. After the epoxy cured most of the copper wires were removed and any holes were then filled with epoxy.
The next step in the process was to cover each of the joints, both inside the tank and out, with fiberglass tape and more epoxy. Two more layers of cloth and epoxy were then applied to the inside of the tank.
The baffle was then installed and capacity was tested prior to installing the top. Surprisingly, even though the tank is a different shape from the factory original, it still has a 30 gallon capacity.
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