Perhaps you should falsify round earth theory before working on alternative hypotheses?
Developing a FE model that functions better than the RE would achieve just that: falisfication is rarely as direct as I've seen assumed here.
You've got one: the earth is flat. This is a falsifiable hypothesis. The problem you face is that it's already falsified...
It predicts the earth is flat. Test that hypothesis.
The Earth being flat is part of a hypothesis: what matters is what this would predict. That's what needs to be developed in order to find an accurate hypothesis.
Here's guidance on what a good hypothesis should be:
Please note that I do follow them. I take more reasonable, and often scientifically interesting areas, and examine how they would apply exclusively to an FE model: and how the subsequent implications would not be addressed or developed by the RE model.
I do use preliminary observations. You are the one arguing that I should not, it seems: you, according to the rest of your post, are of the opinion that because a cursory examination with no refinement or alteration (which may be well within the bounds of possibility) does not allow for an FE model, the FE model should be rejected. This is unscientific.
I am open to being wrong: I am one major error away from rejecting the FE model, having already acknowledged doing so twice.
However, this does not mean it is unscientific to work on a hypothesis. Every hypothesis necessarily begins undefined. No theory sprouts fully-formed into being. First you posit connections, then explanations, then formulae. A full replacement of a model is more complex than a typical hypothesis, so it will be slower going, and it can't be done in an effective piecemeal fashion because one replaced hypothesis will likely not be in line with the rest of the model: full replacement is required.
I am testing to see if the Earth is flat. To do so, I conclude what would most likely be the case to justify our observations, and what these justifications would predict. These explanations are derived from scientific knowledge: hypothesized connections, unexpected gaps, and mysteries in modern science.
When a working model is found, I will then be able to test, and so confirm or reject a hypothesis.
Just because the hypothesis I am testing is whether the Earth is flat does not make what I am doing less scientific.