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 Topic: Air beams in hot weather
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14/8/2022 at 4:15pm
Location: London
Outfit: Lunar Cosmos 524
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More or less from the horses mouth: https://www.outdoorworlddirect.co.uk/knowledge/airbeam/hot-weather-and-airbeams.html
Myths and mis-information abound about almost any subject under the sun, and Airbeams are no exception, but the maths and physics undermine many of the arguments! The pressure increases very little in the normal range of temperatures experienced. BUT, people are often quite careless about the pressure they inflate to (by perhaps using a pump not specifically intended for their Airbeams!), so unless there is a pressure limiting valve or cut off on pump, and/or a over pressure relief valve on Airbeam then they may well be overinflated in first place!
It is true that most Airbeams (there are a few smaller diameter HIGH pressure ones around though) really don't need inflating rock hard, a bit of 'squidge' in them and they generally work just fine, the manufacturers inflation figure generally allows them to be slightly 'squidgy'.
What is rarely taking into account is that the heat actually softens many of the materials used, and if they are already on their way to failing due to say bursting stitching on inner (normally hidden and unlikely to be inspected!) containment sleeves, then that can accelerate the process to failure, then the 'assumed' rise in pressure is blamed!
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via mobile 14/8/2022 at 2:37pm
