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Old 27th October 2017 | 10:50
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Agile
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Joined: Jul 2014
Posts: 446
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From: South East Asia
To get more lift and to catch thin air means you need:

Big blades (longer chord) = more drag = more power = more weight (TMP & Trans) = more fuel ....

As a "system" you are chasing your tail to improve the performance on the dificult end.
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