Of course you would. Just so long as you were following a compass heading of south-east. Without, as your illustration showed, ever changing your course to north-east
No, the course in my illustration only changes compass heading becasue of the curvature of the Earth. As you pass the South Pole, Sw becomes NE. The line I drew is completely straight.
(plus 1 for me)
Obviously. However, this fact is entirely irrelevant, as the course you plotted on the FE map is completely different from the one you plotted on the RE map. As my illustration showed.
No, the course I drew on both maps is exactly the same, departing from South America in the exact same angle. One of them hits the Ice wall and the other one doesn't.
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Of course. But not without changing your compass heading at some point. (starting to see a trend here?)
You're doing it again, using semantics to cover up a weak arguement. It's called "Begging the question," when you focus on something that doesn't matter to make it look like you're right. Compass heading doesn't matter, they were only labels to describe the chart course verbally. You did however admit that if we lived on a round Earth my course is feasible. Which means:
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You would not hit the ice wall in the FE model. As my illustration showed, plotting a course south-west, then changing your heading to north-west would take you toward Australia. The fact that this course is curved on the FE is not relevant because following it requires the use of a compass.
Once again, begging the question. Since East and West are curved lines on a Flat Earth, then according to you the course must be curved. Yet you also admit a course that is a straight line is possible on a Flat Earth. Now Draw a couse,
that does not curve, departing from South America and ending up SE of Austrillia on a Flat Earth.
Notice how in the RE image you made, the path charted would eventually go from south-west to north-west?
Now notice that in the FE map, the path you plotted only goes south-west?
All you did was plot two different routes for each image. If you take the RE route and change it to only run south-west it will hit the "ice wall" as well.
No, the courses I drew are both exactly the same. Once again, the course on the RE only changes heading from SW to NE because of the curvature of the Earth, not becasue the actual course changes direction. The course itself is a straight line. Like I said, forget about the cardinal directions, simply draw a straight line heading in the same way as the one I drew on the RE map does that does not hit the Ice wall and instead ends up in the area South East of Australlia.

On the Flat Earth map, which direction is the course heading from out of South America? Looks like South West to me.
On the Round Earth map, which direction is it heading from out of South America? Looks like South West to me there also. It doesn't "become" Noth west until it passes the South Pole, and when it does so it does not change direction, only heading.
(plus another one for me)