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Flying Fifteen Flotation |
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Dave Holmes 
Newbie 
Joined: 17 Sep 14 Location: Johannesburg So Online Status: Offline Posts: 3 |
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 Topic: Flying Fifteen FlotationPosted: 17 Sep 14 at 2:21pm |
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Any ideas please on how to bring a waterproof tube from a spinnaker bow launcher to the cockpit in a FF so that the cockpit can be sealed to provide flotation?
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knotty78
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Joined: 09 Mar 13 Online Status: Offline Posts: 10 |
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Posted: 19 Sep 14 at 5:30pm |
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tractor inner tube possibly? cut either side of the valve then you have a rubber tube
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JimC
Really should get out more 
Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6660 |
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Posted: 19 Sep 14 at 5:44pm |
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Not quite sure what you mean, but conventionally if a chute goes through a tank then it will be solid tube the whole way. Hate to think what the friction would be like if you pulled a kite through an inner tube, no matter how big the diameter...
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Dave Holmes
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Joined: 17 Sep 14 Location: Johannesburg So Online Status: Offline Posts: 3 |
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Posted: 20 Sep 14 at 8:19pm |
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Hello there - No I didn't mean a rubber tube. I just need practical advice from someone who has built a hard construction tube/pipe/enclosed channel from the bow launcher to the cockpit, and which passes through the sealed bulkhead under the mast into the cockpit and doesn't admit water into the sealed bow chamber. I am contemplating making it our of grp and am wondering how to ensure the inner surface is smooth and free as possible from friction.
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zippyRN
Far too distracted from work 
Joined: 14 Sep 06 Online Status: Offline Posts: 437 |
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Posted: 12 Oct 14 at 3:27pm |
as jim suggests if a spi chute passes through ( rather than above) the bow tank it's generally a solid fibreglass or plastic ( big drain pipe /soil stack / sewer ) tube bonded to the chute at the bow and brought out into the cokpit in board with a short sock / restraint net to stop the spinnaker putlling right through soil pipe seems to be freely available fro mthe DIY shed / builders merchants / online in 110 and 160 mm diameters and in white / grey / black as well as fake terracotta colour ...
Edited by zippyRN - 12 Oct 14 at 3:31pm |
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Dave Holmes
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Joined: 17 Sep 14 Location: Johannesburg So Online Status: Offline Posts: 3 |
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Posted: 24 Oct 14 at 11:47am |
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Thank you all - that seems to be the solution - I once saw an adaptor which slid over the complex-shaped bow launcher with the other end being circular to accommodate such a pipe. I don't suppose these are available. I can bodge one I am sure, but looking for an easy way! Thanks all!
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