I love andrew tate charicatures so much because you look at them and think its exagerated and he must look more normal, but then you see an actual picture of him and he actually looks like that 🤣🤣🤣

Since no one actually answered your question: basically yes, you can just scale airplanes linearely up and down. Obviously everything has to scale, like propultion and hydrolics power, but you can esentially make a model aircraft the exact same shape as any large aircraft and it will fly. Conversly, you can test a small model in a wind tunnel and then scale it up as much as you want and it behaves mostly the same way.