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Old 08 August 2024, 10:40   #21
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I'm not experienced, but the very notion of doing that just says "no" to me. I'd never stick tyre slime in one either. I wouldn't even use that on my car tyres unless it was dire emrgency, it's horrible stuff and your tyre change place will hate you for it.

How on earth is the boat going to perform if its got solid matter in the tubes, no matter how less dense or aerated it might be? Sounds like a dreadful idea to me <shrug>.
+1 on that tyre slime stuff. I'm not a fan of it. I've had to clean that up a few times and it's a pain. Instead I carry a plugging kit in my car to get me out of trouble. It'll plug holes bigger than slime will and it's quicker than taking off the wheel and swapping in the spare.

I'd guess a boat would perform ok with solid tubes (pure guesswork though, I've never seen it done well), but getting them filled correctly is the challenge. If the fabric isn't tight, it going to stress fracture after some use on the water.

I heard the person who did it on the boat I worked on had underestimated the cost of the job too. That foam stuff ain't cheap, especially the closed-cell version (it expands far less than open-cell). We reckoned there would have been about 8 cans minimum involved and that much only made a sphere of about 50cm in the rear tubes before they gave up on the job. It's a big boat so I dread to think of what it would cost to fill it completely.
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Old 08 August 2024, 10:49   #22
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What's being referred to as 'Tyre Slime' in this thread won't work on something as big as a RIB tube unless you can rotate the RIB around in all directions to spread it around the inside of the tube.

Good luck with that on anything more than the smallest of RIBs with easily removable engine etc.
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Old 08 August 2024, 10:52   #23
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What's being referred to as 'Tyre Slime' in this thread won't work on something as big as a RIB tube unless you can rotate the RIB around in all directions to spread it around the inside of the tube.

Good luck with that on anything more than the smallest of RIBs with easily removable engine etc.
Oh I don't think anyone was suggesting using it on a boat, just drawing parallels with how it's a crap solution for tyres as foam would be for a boat.
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Old 08 August 2024, 10:55   #24
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Oh I don't think anyone was suggesting using it on a boat, just drawing parallels with how it's a crap solution for tyres as foam would be for a boat.
See below

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stick some sealer in through the valves,same sort of stuff you fix car tyres temporaly with,that should find and stop the leak,theres a thread running about it at the moment
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Old 08 August 2024, 11:01   #25
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If you have a slightly dodgy tube, filling it with expanding foam is a guaranteed way of completely ruining it.
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Old 08 August 2024, 12:13   #26
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What's being referred to as 'Tyre Slime' in this thread won't work on something as big as a RIB tube unless you can rotate the RIB around in all directions to spread it around the inside of the tube.
Yeah this - you'd have to put your boat on a big lathe and give it a spin
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Old 08 August 2024, 23:22   #27
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See below
Oh, I hadn't spotted that, I was just referring to the recent part of the convo.
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