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Home > Exam Questions > BPL Gas Balloon Pilot Licence > Principles of Flight (Balloon) > A fully inflated gas balloon rises to a new equilibrium after ballast is dropped. Assume lifting capacity is proportional to ambient pressure and a 1% pressure decrease corresponds to 80 m of height. Which approximate result is correct?

416 - EASA BPL Gas Balloon Theory in English - A fully inflated gas balloon rises to a new equilibrium after ballast is dropped. Assume lifting capacity is proportional to ambient pressure and a 1% pressure decrease corresponds to 80 m of height. Which approximate result is correct?

Question 416 - Principles of Flight (Balloon) - BPL Gas Balloon Pilot Licence

It increases by 8 m when total mass is reduced by 10%

It increases by 80 m when total mass is reduced by 1%

It decreases by 8 m when total mass is reduced by 10%

It decreases by 80 m when total mass is reduced by 1%

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