Thread: Myth: 1 G barrel rolls are impossible.
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Old June 16th 07, 05:46 PM posted to rec.aviation.piloting,rec.aviation.student
Mxsmanic
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Posts: 9,169
Default Myth: 1 G barrel rolls are impossible.
writes:

The intitial velocity limitation says 'vertical'. I don't care what
size the 'walnut' is, it will be impacted given there was no
horizontal velocity component.

There is always a horizontal component, although one isn't really necessary.

Even if there was, by the way, the Newtonian physics demand the path
will cross the starting point, and the implication to most readers
would be that was on a surface.

If there's a surface in the way, the starting point and ending point will be
different.