Tumbleweed Whenever you think of the Wild West of America, you think of cowboy movies and tumbleweed, perpetually tumbling around a desolate landscape. According to the American movies, tumbleweed is as American as apple pie.
3 Answers. , I am a serious student of all questions relating to the environment. Gasoline can be ignited by even a tiny spark at temperatures as low as fifty below zero, but it merely evaporates at temperatures up to about four hundred seventy five to five hundred F. At that temperature, it ignites spontaneously.
Detonation Damage. When combustion temperatures and pressures exceed the octane rating of the gasoline thatâs being used in an engine, it causes the fuel to ignite spontaneously. The result is multiple flame fronts that collide in the combustion chamber and produce high pressure shock waves that hammer the pistons.