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About LinkBacksYou can pick them up from £30k upwards, brand new they are nice from about £600k up.Originally Posted by wazzickle
You can pick them up from £30k upwards, brand new they are nice from about £600k up.
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Probably because it needs to actually survive a fire??
You can use an actual plane but the problem is that they are made mostly of aluminium and composites so won't last very long.
About 15 minutes for the composite, and maybe 30 for the aluminium. But we all know jet fuel can't melt steel beams!Probably because it needs to actually survive a fire??
You can use an actual plane but the problem is that they are made mostly of aluminium and composites so won't last very long.
Assuming there is no external cooling applied. I saw a demonstration on a fireground with a sheet of aluminium supporting a heavy weight with an oil fire burning underneath it. A hose put a fine spray of water on the aluminium. It sat there quite happily until the water was turned off, when it burned through in about 90 seconds. The same holds true for steel, boundary cooling will maintain the structural integrity. The killer is usually the combustion products from burning plastics/composites.
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The main issue with planes they need to be light,and for buildings the top floors needed to be reasonably light too,otherwise the bottom floors will literally collapse from the extra weight.
That fire demonstration model is probably made of very thick steel(and probably concrete),just like the fire training towers at fire stations,and is probably design for the task at hand.
The steel beams reference is, of course a repeat of the widely debunked 9/11 truther claim. I wasn't really suggesting that steel is immune from fire.
Actual fires in aluminium airplanes will completely destroy the structure, unless there is an ARFF response. It is impressive how quickly they can go up, but also how rapidly a response can save it. The water spray example works on actual airplanes too!
I never understood what they were going on about - there are also so many different types of steel and the ones designed for higher temperatures are less likely to be used for re-inforcing a building.
I mean they should look at what happened to Piper Alpha to see what happens to a mostly steel structure when you have a massive fire.
Well if you look at some of the military jet crashes you can see what happens if the fire is not put out quickly.Actual fires in aluminium airplanes will completely destroy the structure, unless there is an ARFF response. It is impressive how quickly they can go up, but also how rapidly a response can save it. The water spray example works on actual airplanes too!
We disgress ?
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