| Topic: Pump for Berghaus Air
Message posted by Monty1508/6/2022 at 5:21pm
Outfit: Lunar Cosmos 524 Location: London
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Quote: Originally posted by taafe75 on 08/6/2022
Quote: Originally posted by gari on 08/6/2022
There is always an answer - just depends how much money you want to throw at it!
The main tool brands (Makita, DeWalt, Ryobi) all do battery operated air compressors which would easily give the pressure but not the volume. The inflators they sell give the volume but not the pressure. However Ryobi do a combined one Ryobi multi inflator £70 which might be suitable if you already have ryobi tools and batteries.
Does this work on air beams?
Two things stand out, could you get/adapt a suitable hose coupling for the tent, and would it have the continuous run time necessary to fully inflate an airbeam tent in one go?
Most compressors are designed for tyres with a much reduced volume compared to a set of airbeams, albeit at higher pressure which balances out to some degree! Yes I know it states the number of items the BATTERY can inflate per charge, but that's not the same as how long the compressor can run before overheating! The instruction manual says allow to cool for 5 minutes after every 5 mins of continuous running, now my caravan awning has less airbeam volume than many tents and takes 10-12 mins on the Gale pump, which maybe indicates that this pump would take perhaps 20-25 mins in multiple sessions between cooling intervals to inflate a tent, maybe longer, as my Gale pump is purposely designed to provide both volume and pressure! My Gale pump can run continuously for 15 mins before needing a cool down period.
The other thing the manual mentions is that the pressure gauge is not accurate (which obviously means the pre-set cut off pressure will also likely be inaccurate!) and pressure should be verified by a separate pressure gauge, my Gale pump claims plus/minus 0.5PSI which is accurate enough to prevent over inflating an airbeam on it's pre-set cut off.
At first glance this Ryobi looked very appealing, but a little delving makes it look a lot less so, especially as the whole working package looks like around £200!