The question on cost is the key reason to use a proven marine foam or spend a good deal of effort thoroughly testing an alternative.
Even if an unproven core is twice the cost of a proven one it will work out to be about a 10% saving overall on the boat. So you save 10% and put a question mark over the rest of the expenditure and effort to build the boat.
I do experiment with materials but if I am making something that needs to be durable and reliable I don’t devalue my effort by using low cost materials unless I have tested them thoroughly in a familiar process.
On 4 May 2018, at 1:33 pm, '.' eruttan@yahoo.com [harryproa] <harryproa@yahoogroups.com.au> wrote:If half the cost of the boat is H80, is that not worth looking at?
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Posted by: Rick Willoughby <rickwill@bigpond.net.au>
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