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My problem with a lot of what brokenball tries to say is that he is always trying to simplify the problem to high school mathematics when the actual system is far more complex (and there are plenty of actual peer reviewed papers by zeio which show these complexities). That's why his math never works - he still thinks as long as your racket tangential speed is fast enough you can make the ball spin at Xu Xin levels regardless of whether you're using boosted Hurricane or sandpaper. We know that to be untrue - and he still insists on his theory lol.
As an actual practising engineer who designs complex structures - this is why I doubt all of his qualifications tbh, or maybe he only works with simple systems all his life. Either way, real engineers who work with complex systems typically don't function like brokenball trying to simplify everything complex and not even respecting results in reality, otherwise you'll see a lot more actual failures in the world.
As an actual practising engineer who designs complex structures - this is why I doubt all of his qualifications tbh, or maybe he only works with simple systems all his life. Either way, real engineers who work with complex systems typically don't function like brokenball trying to simplify everything complex and not even respecting results in reality, otherwise you'll see a lot more actual failures in the world.