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Originally Posted by quercus  Yes I forgot to mention that. Concrete weighs between 2200 kg and 2500 kg's per m? depending on the mixture wich depends on the use. |
quercus, your thinking is in line with what i had in mind but i do not see the cost near that high, and i do not see how cobra would handle that weight. given the lack of trunk flexibility and the weight of the top i expected to use 7 ton ehs steel cable.