The first posts above are for levels 25 to 30 sailing/cannon. A lot don't have mastered sailing/gunning so i'm gonna give what i think is best to set up sailing/gunning for svs for levels between 20 to 25 sailing.
For war sloop level 20-25: (based on sailing with a crew)
1. broadsides-- 1 to 3 skill points on each -also 5 skill points on round shot in cannon to increase broadside power
2. Full sail-- 3 or 4 skill points (sloops are fast)
3. come about -- 1 skill point
4. open fire-- 1 to 3 skill points
5. ramming speed--1 to 2 skill points
6. take cover-- 5 skill points(a must)
7. windcatcher -- 4 or 5 skill points
8. tacking-- 1 or 2 skill points (need it for good turning)
*good for close and distant range combat with a crew*
Try to master sailing
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This is a Recomended set up for svs Cannon level 20 to 25:
Shoot - 4 or 5 skill points
Rapid reload - 4 or 5 skill points
Barrage - 4 or 5 skill points
Fury - 4 or 5 skill points
Lighting/thunder - 4 or 5 skill points
* Use a fury or thunder cannon ram (can get them from cannon defense)
Try to master cannon to use the first setup as it will help you more in svs:
Sail a war ship in a group and use round shot only. Have the entire crew destroy sails first and then hull to get max rep plus crew bonus. Its best to fight ships above lvl 30.
If you mates have any questions regarding SvS on setting up Sailing or gunning or SvS tips feel free to ask.