JohanDiv Posted January 7, 2020 Share I had no idea this is even possible! This guy left his 25g CO2 cartridge in his cubbyhole and it apparently got a little hot in there. Just did a quick Google search and discovered these cartridges hold around 60bar pressure! Not sure how save I feel with two of them under my saddle anymore. They are literally little bommetjies! nathrix 1 Link to comment Share on other sites More sharing options...
Long Wheel Base Posted January 7, 2020 Share Jeez like. Must have gotten seriously hot. Any more info? Where was the car parked and for how long?Wonder what the insurance will say. Link to comment Share on other sites More sharing options...
IceCreamMan Posted January 7, 2020 Share Eeek. That reminds me, I have some real old ones I used to lug around all over Africa on my motorcycle tours that I should get rid of. Link to comment Share on other sites More sharing options...
The Ouzo Posted January 7, 2020 Share have you ever measured the heat build up in a car? Its astronomical.Leaving one of those lying round inside a car is crazy, its probably doesnt get even close to those kinds of temps under your saddle. But what surprises me is that it did not let go at what I thought would be the weak point, the cap that you pierce. Leave a full aerosol can in your car and you're looking for the same k@k. JohanDiv, Amberdrake, 428 others and 4 others 7 Link to comment Share on other sites More sharing options...
milky4130 Posted January 7, 2020 Share After seeing this I'll also never argue with Airport staff again about insisting on taking my co2 canisters on a plan, doesnt matter which temperatures are expected or where it will be stowed away. Edited January 7, 2020 by milky4130 DieselnDust 1 Link to comment Share on other sites More sharing options...
Bellscycling Posted January 7, 2020 Share We left our Topeak tool box in the sun at the Sani2C once after the 1st stage and one of the bombs in the top tray exploded. Looked just like that one and we needed a new toolbox. nathrix, BigDL and intern 3 Link to comment Share on other sites More sharing options...
etienne_jordaan Posted January 7, 2020 Share Wow...... if that was lying on the dashboard it probably would have taken out the windscreen? Link to comment Share on other sites More sharing options...
BaGearA Posted January 7, 2020 Share Always had this fear and it never bothered me after not seeing one of these explode in years, exploding from heat isn't surprising at all and I highly doubt it'll get hot enough in your pocket or mounted on your bike The air cooling should keep it fairly cool I would think Vetplant 1 Link to comment Share on other sites More sharing options...
MrJacques Posted January 7, 2020 Share Hectic A bit strange that it ruptured there - the seal where you connect the inflatior should be the weakest point? Maybe a manufacturing defect? Still, good idea not to leave them in hot places. Vetplant 1 Link to comment Share on other sites More sharing options...
lechatnoir Posted January 7, 2020 Share well, this is what happens when a scuba tank explodes in your car boot... Edit - correction - that was nitrox... but pressures are similar - 300bar in a scuba tank... Edited January 7, 2020 by lechatnoir Skylark, Long Wheel Base, Mamil and 3 others 6 Link to comment Share on other sites More sharing options...
MrJacques Posted January 7, 2020 Share well, this is what happens when a scuba tank explodes in your car boot... Those things can be very dangerous. Link to comment Share on other sites More sharing options...
Fat Boab Posted January 7, 2020 Share They're well named but the effect of even significant temperature increases of the contents of a CO2 bomb isn't that significant e.g an increase from 20 to 100 degs C will 'only' increase contents' pressure by 28%.Maybe that crosses a design pressure? More likely a defect in the bomb wall?? Still sobering... Long Wheel Base, intern and porqui 3 Link to comment Share on other sites More sharing options...
Mamil Posted January 7, 2020 Share If that went off under my saddle maybe I'd get the KOM .... Mtree, intern, Wayne pudding Mol and 3 others 6 Link to comment Share on other sites More sharing options...
Stretch Posted January 7, 2020 Share Mmmm....my bikes been in a container in a ship for the past 3 weeks....I sure as hell hope I didn't leave one in the saddle bag.... And hopefully.... The ship got up north fast enough that that it was in cooler air temps Mamil, intern, BigDL and 1 other 4 Link to comment Share on other sites More sharing options...
Craai Posted January 7, 2020 Share If that went off under my saddle maybe I'd get the KOM .... If it went off under my saddle I will have something in my pants, but it won't be KOM Long Wheel Base, Heinrich Hattingh, dasilvarsa and 5 others 8 Link to comment Share on other sites More sharing options...
Long Wheel Base Posted January 7, 2020 Share well, this is what happens when a scuba tank explodes in your car boot... Edit - correction - that was nitrox... but pressures are similar - 300bar in a scuba tank...Nitrous. I am not sure what happened in that specific scenario but I have seen a few times when the shut-off valve doesn't close and either the nitrous leaks into the engine when you don't want it to or the reverse happens and the nitrous catches fire and the fire burns back upstream. That is also a big explosion in both scenarios but with fire. Link to comment Share on other sites More sharing options...
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