Faster than a human can move. You would need to move several thousand miles per hour to create enough air friction to ignite combustible materials.
Normally they shouldn't, however in scotland recently there were very strong winds and one of the turbines span so fast it did catch fire and the fan fell off.
One that's going too fast. Reactions that go too fast (especially exothermic ones) do things like boil over, catch fire and explode.
Yes, they travel some fast!
Away from fire.
The answer is.... quite fast
Ok well dry leaves catch on fire fast because they contain no water and water repells against fire
u all are retards
Since air is not inherently flammable, there is no speed at which a helicopter blade would catch the air on fire.
Normally they shouldn't, however in scotland recently there were very strong winds and one of the turbines span so fast it did catch fire and the fan fell off.
An eraser Will catch on fire
Catch fire is a fictional term used in anime, and anime movies. Catch Fire means to catch fire, for example, you would catch a ball. Catching ON fire is lighting yourself on fire, or something else lighting you on fire. Big difference.
The alcohol being put into the burner may catch fire and the flame can travel back to the container, causing it to also catch fire or possibly explode and cause injuries.
If a bomb explodes on fire you can catch on fire by a bomd
the sugar in the marshmellows can catch fire
Farts can catch on fire
It can be burnt, but not catch on fire.
Your farts can catch fire, but impossible for the( farter) catch fire.