Building an Integral Water Tank

Our original project plans did not address changing our water tank. But, upon removing the engine, we gained better access and visibility to the water tank area, this revealed the need for further investigation…

Our work continued, and we ended up removing everything from the bilge: water tank, resin blocks, foam (so much foam). We discovered lots of usable storage after removing oily residue, cleaning, and drying out the bilge.

Removing the water tank revealed the need for reinforcing the compression post, read more in our related post (Repairing Compression Post Base).

Next, we need to construct a new tank! Our new tank will have an expanded footprint that extends well forward of the previous tank. Also, a new integral tank is a good choice for maximizing our water storage capacity. We hope to double the capacity of the previous tank (from 30 gallons).

This unexpected project has lots of benefits! We will be able to carry lots more water for long voyages, our hull has been reinforced with 6 new floors and a heavy fiberglass layup, and we now know Dawn Treader is clean from top to bottom! No more hidden treasures!

In part two we complete the tank with paint, install the tank top/sole, add plumbing and inspection ports.


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