> I believe it's bogus. We could discuss the energy density of water 
> rockets
> and argue over the math all day, but look at scene that shows it 
> from a
> distance. What shape would you call the flight path? A 'real' flight 
> path is
> going to be pretty much a parabola.

Depends in part on whether thrust continues during flight - and how 
directed it is (which this isn't).
But, I agree with you.


        RM

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