ho ho.
Neil are you are aware that by now you have lost almost all credibility? You can't respond to our responses.
you know, I have this image you with an angry look on your face, frantically looking up all the anti-flat earth videos on youtube you can find.
You are totally uncritical in your analysis of these videos. That's why you don't respond to our responses to them.
About the first video, he states that there is speherical excess, but doesn't give us any practical examples or experience of engineers who have done it. It exists only in a textbook.
Here is an interview with an engineer of many years experience who says that they do not in practice measure curvature at all.
By the way, are you aware that engineers discount curvature for the first 20km squared? very convenient.
Another mistake he made in his video was talking about the dip every 69 miles. I'm sorry but that is beyond idiotic in his analysis. You can get the forumula for curvature with one simple google search.
8 inches per mile squared. If you don't square it, you end up with a straight line. Think about it.
I get the feeling in talking to neil that I am talking to one of these chat bots. No matter what you say, it will just come back to the default answer. Poor guy. He needs prayers.
I'll respond to the second video if I get time.