Mast Butt Winder Assembly
Coarse-tune your E22 Mast Butt position for the prevailing wind conditions!
Normally on its own, the fore and aft range of the E22 mast partner block can only compensate for a narrow combination of the particular stiffness of your mast and prevailing wind conditions. However, moving the mast butt provides a coarse-tune setting that gives you the entire travel of your mast blocks to fine-tune within that coarse setting. Underclass rules, the mast butt may not be moved during a race, but with this Mast Butt Winder, you can easily adjust the butt position before or between races to a coarse-tune position.
When it's windy, you need to stiffen up your forestay. Simply pulling your backstay stretches your mainsail into wrinkles and inversion. Instead, block the mast aft at the partners to load tension to your forestay. This allows you to use less backstay tension to fine-tune your forestay.
In light air, your headstay needs easing in order to provide your jib with depth and a correct luff angle. Easing your backstay alone leaves your mast so straight that it does not pull the luff of your main into its design curve. It bags up, and the mainsail's leach also closes up. Instead, block the mast forward at the partners to bow the middle of the mast forward enough to pull the bagginess out of the mainsail luff and into its proper curve.
