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I have a background in driving RIBs and SIBs, in one of those bursting a tube, even a catastrophic failure, will certainly end your fun for the day but isn’t really going to cause too much of a problem and certainly won’t sink you as for example my Bombard Aerotec has 3 main air chambers.
Which set me thinking about making my Telkwa 2 chambers, sure it won’t work as a raft if a chamber fails but at least it would give a pretty good chance of raft and anything strapped to it of staying afloat for a pretty small weight penalty. Possibly just a couple of circles of fabric and an extra boston valve and job done! Well that is if with a combination of heat and glue it would be possible to create an airtight seal between tpu and the no tpu side of the fabric, thoughts anyone, feel free to tell me this is a daft idea.
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Looks like the HH-66 is easy to get hold of this side of the Atlantic, one more question what is the diameter of the inflated Telkwa at the seam closest to the middle of the long side?
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Hi David,
I think it’s worth trying – it’s one of those things I’ve been meaning to try for ages but haven’t got around to, myself. What I’m not sure about is the longevity of a glued joint on the inside of the tube fabric, and what’s the best adhesive to use. Some people have reported that a glue called HH-66 works well, but I can’t find it where I live.
If you give this a try, please let us know how it goes!
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