Originally Posted by FMD
ya gas is alot more flammable than jet fuel... which is in the same family as kerosene, and diesel as others have mentioned. Unlike gas which requires a spark to ignite, jet fuel requires heat and compression to really burn. Not saying that it wont burn, but try lighting a cup of kerosene, on fire with a bic lighter... youll be hard pressed to keep it lit.
That is all true, but small piston engined airplanes like the one in the picture use 100 octane low-lead aviation gasoline (100LL).
It is highly flammable. It is also highly inflammable.
It also melted the piston on my dirtbike!