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Old 1st Apr 2020, 13:26
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Gearupandorrf
 
Join Date: Jun 1999
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Question regarding best rate and best angle of climb.

Hi all,

I understand that Vx results in best climb angle and that this occurs only at the speed at which there is maximum excess thrust.

Likewise, I also understand that Vy results in best climb rate and that this occurs only at the speed at which there is maximum excess power.

my question is this:
why is it that climb angle if a function of thrust, and climb rate is a function of power?
Why is it not the other way around?

I feel like I'm missing something important here, and would just like to understand why thrust relates to climb angle and not rate, and why power relates to climb rate and not angle.

cheers all for any help!
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