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PostPosted: Thu Jun 29, 2017 11:25 am 
Site Rank - Deck Hand

Joined: Wed Aug 31, 2016 11:51 am
Posts: 3
Just bought 2017 i9s with the Hobie i-Sail Kit & not sure how to carry out "Tension stopper knots until mast is straight." in Step 6 of the printed instructions. Am I simply to retie each stopper knot at some other point in the shroud, or is there some other way or device (even if I have to buy it separately) that can be used to adjust shroud length & tension?

PostPosted: Thu Jun 29, 2017 2:02 pm 
Site Admin

Joined: Tue May 27, 2003 12:44 pm
Posts: 12625
Location: Oceanside, California
Tie off all three to hold the mast upright. Left right and centered. I would add a couple of half hitches to hold for sure.

Matt Miller
Director of Parts and Accessory Sales
Warranty and Technical Support
Hobie Cat USA

PostPosted: Thu Jun 29, 2017 2:20 pm 
Site Rank - Old Salt

Joined: Sat Aug 16, 2014 4:00 pm
Posts: 520
What I do is tie half hitches tight against the plastic thingie like this:


Ultimately I used 3 or 4 half hitches, although the forestay had a mile of leftover which I took up with more half hitches higher up the stay. You might start with just one or two half hitches in the initial trial and error for getting the mast straight.

Having the left and right shroud the same length should leave the mast straight left vs right. I wouldn't say the mast must be straight fore and aft, but you can rake it for various reasons. If your pedals have full forward adjustment, they might bite into the downhaul bungee unless the mast is raked forward. You can also get more headroom under the sail with mast raked forward. Finally you can solve turning tendencies (weather helm vs lee helm) by raking one way vs the other (eg. raking back promotes weathervaning into wind).

There is the issue of tension, which probably doesn't matter much. I don't like the videos where the downwind shroud is way loose flapping in the wind, but it should probably be mildly loose to dump excess wind and not be so tight that it is pulling the gluepads up too much. All in all, it isn't hard to quickly get a happy adjustment that you can leave alone and just clip in after that.

One caution is to check your pedal positions often if sailing without pedaling. The pedals should be up together, but will tend to drift apart putting the fins uselessly horizontal, especially with any burst of speed. Things will seem fine, but you are drifting more to the side (leeway)

My Hobie i12s... sailboat in a suitcase!

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