[quote=nacra55]Indyxc
I?m not sure what you mean by an anti mast rotation system on a Nacra 5.0. Boomless boats use a positive rotator not a limiter like boom boats.
When sheeting a boom boat, like your Hobie 18, the boom forces the mast to rotate and you use the limiter, attached to the mast facing aft and connected to the boom to prevent rotation.
On a boomless boat, like most of the Nacras, the positive rotator faces forward and is used to induce rotation. If you want less rotation, move your outhaul or clew plate adjustment, forward and sheet tighter. The rotator is used mainly downwind to make the mast entry into the wind less sharp. It can also be used in choppy conditions in light air to stop the mast from going back and forth, ie. boat wakes. In high wind conditions, it can also be used to depower by inducing rotation and flattening the sail along with downhaul and sheet tension. Be careful with using the rotator, if it is on and you jibe, the mast will not rotate, battens can poke through the sail, and the boat will not power up until the rotation is released. Also, it?s adjusted from the windward side not the leeward side of the boat.
I wouldn?t worry about adding it unless I was racing. Hope this helps.
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