Why can't the Olympic torch be blown out by wind and rain?

1. The reason is that the fuel used for the torch of the 28 Olympic Games is completely different from the past, and propane is completely used as the fuel and the dual-flame combustion system

2. The flame emitted by the torch of the Beijing Olympic Games can withstand the disturbance of wind speed as high as 4 miles per hour (65 kilometers per hour), the test of rainfall of nearly 2 inches (5 centimeters) per hour and the temperature of MINUS 4 degrees Fahrenheit.

3: According to experts in China, the torch of the 28 Beijing Olympic Games is based on the combustion technology of aircraft engines and rockets. Using a very "mysterious" double flame combustion system is the first time that human beings have applied rocket technology to the torch. Moreover, the spread in the plateau with thin air will also create human history.

4: The torch of Sydney Olympic Games in 2 used a mixture of propane and butane, and the torch fuel of Athens Olympic Games in 24 was a mixture of propylene and butane, and it produced a little smoke, but it increased the brightness of the flame and provided good conditions for taking pictures during the day.