The air inside a hot air balloon can achieve temperatures of 100°C. If raindrops on the balloon, it cools the air, forcing the balloon to rapidly sink. To repay for the air cooling, the pilot must start the burners to reheat the air. A little amount of propane gas is taken by a balloon to fuel the burner. In heavy rain, the burner must run constantly, which may weaken the propane supply. Furthermore, extreme use of the burner may induce damage to the balloon's material. Click for continue reading.......
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