I am currently messing with the roll/pitch of the S-18 and I almost have it spot on except for one nagging detail. My sub seems to be positively boyant and always seems to float 8 ft above my designated depth, not sure how to fix this or if it really needs fixing.
The values I am using are almost the default except I changed these values:
max_elevation is now 105 (was 90) This seems to allow the boat to float higher upwards, I find 105 works and keeps the props from coming out of the water unless in extremely stormy seas (15 m/s wind or 33.6 MPH)
min_elevation is now -105 (was -90) Does the opposite of max_elevation
speed_elevation is now 15 (was 10) Not sure what this does tbh, but I think it has something to do with how fast the boat changes it elevation, but that would be too easy :P It may have something to do with the speed change caused by the boats pitch when traveling over large waves, not sure.
elev_min is now -105 (was -90) Not sure what this redundent value is but I kept it the same as the max _elevation
elev_max is now 105 (was 105) Again not sure why they would seemingly repeat the earlier min_elevation but I keep the two numbers the same.
Mass is now 929 (was 0) increasing seems to cause the boat to roll more, and sit a little lower in the water. At 930 the boat sat about 6 feet too deep.
gc_height is now 2.1 (was .5? not sure) Not really sure what this does exactly, but seems to increase the boats pitch and roll when increased.
Thought I would share what I am kinda sorta learning.
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