Power Settings VS Climb Performance

[simurq]

Hello everyone!

It's my first post here. So, I'll try to be as descriptive as possible. And I do apologize for a relatively long introduction part of my post which is NOT aimed at teaching smbd the basic aerodynamics but is here to help me better explain my point.

Judging from the attached table taken from a typical Cessna-182's "Pilot's Operating Handbook" (POH), there is a direct relationship between aircraft's basic aerodynamic forces, power settings and climb performance. Although it's generally accepted that indicated airspeed (IAS) remains stable at varying altitudes, the ultimate driving force behind aircraft performance is power. So, if I understand correctly, in order to keep IAS constant during a climb, a pilot must (i) either have more excess power; or (ii) reduce rate of climb for each feet of climb.

Question 1: Is there any formula(s) to combine the factors of power setting, IAS, temperature, and altitude all together?!?
Question 2: How can I calculate rate of climb (without the attached table)?

Thank you!

Rustam

 

[Achy47]

Hi Rustam,

Welcome to the forum! Your question is a good one and shows that you have a good understanding of basic aerodynamics. To answer your first question, there are indeed formulas that combine power setting, IAS, temperature, and altitude to calculate climb performance. These formulas are known as the performance charts and are typically found in the aircraft's POH or flight manuals. They take into account all the variables you mentioned to provide pilots with the necessary information to determine the best climb performance for their aircraft.

As for your second question, there are also formulas that can be used to calculate rate of climb without relying on the attached table. These formulas take into account the aircraft's weight, power setting, and airspeed to determine the rate of climb. However, these calculations can be complex and are typically done by pilots using performance charts or by using specialized flight planning software.

I hope this helps answer your questions. If you have any further questions, please don't hesitate to ask. Happy flying!