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Step 4Floatation & beer
Floatation was quite an issue. It had to float yes, and while it would be OK if things dropped off here and there, it HAD to be UNSINKABLE. You know what they say about the dangers of mixing beer and water...
I figured (hoped) about 300 litres would be fine... I cut the bottom out of the plastic barrels, scuffed the joining surface, then after they had been sitting in hot sun for a while, a few of us smashed them together using epoxy resin and a huge piece of wood... of course, beer played it's part too :)
All of a sudden, the whole structure was totally rigid — wow, it worked really well!! Next we drilled a 10cm dia hole in the side of the barrels, close to the end. So now we had bulkheads, which were filled with expanding polyurethane foam. Bomber.
Next, I used angle iron to make the float base, which had nylon strapping going through lugs to attach the floats. So far so very good.
I figured (hoped) about 300 litres would be fine... I cut the bottom out of the plastic barrels, scuffed the joining surface, then after they had been sitting in hot sun for a while, a few of us smashed them together using epoxy resin and a huge piece of wood... of course, beer played it's part too :)
All of a sudden, the whole structure was totally rigid — wow, it worked really well!! Next we drilled a 10cm dia hole in the side of the barrels, close to the end. So now we had bulkheads, which were filled with expanding polyurethane foam. Bomber.
Next, I used angle iron to make the float base, which had nylon strapping going through lugs to attach the floats. So far so very good.
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