"Alain" <ele### [at] netscapenet> schreef in bericht 
news:49b5d871$1@news.povray.org...
>>
> The 45 degree angle is the angle for a precise speed, twice the speed of 
> the waves in the water for a given depth. The wake angle depend on the 
> speed of the ship trough the water and the depth.

Ah! You know more about this than I do, obviously :-) Didn't know that.

Thomas

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