PPRuNe Forums - View Single Post - Which factors cause Vy to increase with Altitude
Old 29th Jun 2020, 09:12
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jmmoric
 
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Originally Posted by Pugilistic Animus
Physically, the best rate of climb is the point on the power curve where the greatest difference between thrust horsepower required and thrust Horsepower available exist.
where thrust horsepower is equal to Thrust * Velocity (TAS) So as TAS increases and likewise CAS or IAS will have to increase in order to keep the relationship.
T*Vreq-T*Vavail a constant.
You're breaking my head here.... cause now I had to dive more into it.

https://people.clarkson.edu/~pmarzoc.../AE-429-10.pdf

Wouldn't the speed for best rate of climb decrease with altitude, if anything?
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