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Cold Inflation
Once the crew have connected the envelope to the basket and, with your help, spread it out on the ground, large petrol driven fans are placed at the mouth of the balloon (the opening at the basket end) and used to fill the balloon with cold air.
You may notice some of the crew working on the "crown" of the balloon (the opening at the top of the envelope). The crew use velcro tabs to fix a large flap of fabric called the "parachute" over the opening. Once the balloon is fully inflated this will be held in place by the pressure of the hot air.
Using the "parachute lines" that run down the inside of the balloon the pilot can make controlled descents by opening the parachute and "dumping" or releasing hot-air.
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