solentlife
First Officer
Flight distance : 1087530 ft
Czechia
Offline
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LiPo sacks / bags are a grossly misunderstood item.
There are NO fully fire safe LiPo sacks .. even the 'original' guy who thought of them will tell you that. Yes its accepted and well known that there are some poor copies that should never be on sale.
But the difference is actually time to rupture ... NO LiPo sack can withstand the LiPo fire completely.
The idea of the LiPo sack is actually not to store or 'prevent' fire - but to increase the time you have to deal with it. By retarding the 'escape' of fire to surrounding furniture etc. - you have the chance to dispose of the sack with lipo's inside safely ...
They are primarily intended for placing LiPo in when charging, that is why they do not seal fully. Also for transporting to and from flight site ... giving you chance to stop car and remove to safe place while it flares off.
There are many Youtube videos showing LiPo sack tests - and nearly all make the same fundamental error of expecting sack to completely contain the fire.
They are RETARDING devices only.
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