Nice idea for wind but its Heavy Sea that will slow frigate hulls. and perhaps you can add a stress value for hoisting too much canvas in heavy wind with the possibility of mast damage. As for adding chaser or taken them away, the answers is no no no. You just have the mechanics setup currently where the are over valued as an asset. Significant changes to tagging in battle and sail damage will return chases to their more historical value. We should be discouraging battles being fought as 'de masting battles'. How is a good question. Perhaps rework mast hitboxes and allow hulks to drift from wind force and use rudder, or making boarding more dynamic based on the angle of boarding. I.E attempted boarding from a T shape restricts and slows combat.