Peggy, your favorite holding tank manufacturer states on their web site, "The tank must be installed on a flat or contour matched surface, be clean and totally supported in all planes with 1/2" - 3/4" marine plywood or equivalent." Does this "in all planes" mean botton and all sides? I am looking to up the capacity I have and still maintain access to thru-hulls. This would require one of their "odd" shaped tanks with narrow side down. How much support am I going to have to build? Any thoughts on securing the tank aganist movement generally?
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For a tank of the quality Ronco makes and
for anything in the size range you'd want, support on the bottom is really all you need. The walls are more than thick enough to support the weight of the contents. As for how to secure it...holding tanks don't bounce much, so you only need to make sure it can't slide or fall when the boat is heeled. Use whatever works.
for anything in the size range you'd want, support on the bottom is really all you need. The walls are more than thick enough to support the weight of the contents. As for how to secure it...holding tanks don't bounce much, so you only need to make sure it can't slide or fall when the boat is heeled. Use whatever works.
Tie Down Strap Ideas?
Expanding on Debra's question: I've got a project on the list to increase the size of one or two of my tanks and the OEM tanks were installed with one of those fiberglass bands like what is often used on very large cardboard boxes (like what a refrigerator might be shipped in) and crimped in several places. I can't duplicate this and wonder what anyone might have used. Ideally, I think (I know, this is getting dangerous!), a band of somekind which a turnbuckle could be attached and tightened would be good. Anyone have thoughts how this could be done in a cost-effective manner and with tools that a reasonable boat owner would have?
Expanding on Debra's question: I've got a project on the list to increase the size of one or two of my tanks and the OEM tanks were installed with one of those fiberglass bands like what is often used on very large cardboard boxes (like what a refrigerator might be shipped in) and crimped in several places. I can't duplicate this and wonder what anyone might have used. Ideally, I think (I know, this is getting dangerous!), a band of somekind which a turnbuckle could be attached and tightened would be good. Anyone have thoughts how this could be done in a cost-effective manner and with tools that a reasonable boat owner would have?
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