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Old 21st January 2015, 06:43 PM
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rich rich is offline
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Join Date: Nov 2008
Location: Shebbear, N Devon
Posts: 1,643

Maybe the carbon fibre tube ought not actually to sleeve the barrel, but more act as a shroud, spaced off by a millimetre or two. If that was secured fore and aft you would end up with a double skin tube and if I recall my college work from the 1960s that would make for a lot of rigidity.
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