Webster,
That is what I am getting at. You have changed the drag coefficients unnecessarily.
The advice I was given by Sam (swdw), who started the initial physics work for SH4, gave me was to adjust the engine HP until you get into the ballpark, then adjust the engine rpm to get what you want, otherwise if you just change the drag coefficients you are asking for the ship to do weird things ingame.
He also said that because of the game engine was to try to set your timings with about 3 or 4 knots below top speed. The game engine actually slows down the rate of acceleration so that the ship doesn't overshoot its max speed.
Another point of interest is trying to get the ships to use reverse engine speeds you almost have to box the ship in so that it cannot turn. I have tried to get it to use reverse speeds by putting a ship in its path, but it will turn to avoid the ship instead of using reversing speeds.
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Jim
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