studiot Posted September 9, 2022 Share Posted September 9, 2022 (edited) 37 minutes ago, swansont said: Probably. I'm saying as long as the equations are applicable, you can often pick different approaches to solving/explaining a problem. As an analogy, you can discuss a falling ball as speeding up owing to a force on it, or due to exchanging potential energy for kinetic energy. Both are correct. It's not one or the other. As you say the same result can be obtained by different routes. Here is a very simple derivation of the lift force from Bernoulli for @jfoldbar to aim at. It shows the angle of attack, the Bernoulli equation, the bunching of the flowlines I mentioned and explains the circumstances and the limitations of the model. The next thing to then do is to discuss the application of that lift force to the aircraft and the effect upon its trim. Edited September 9, 2022 by studiot Link to comment Share on other sites More sharing options...
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