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PostPosted: Fri Jun 11, 2010 6:14 am 
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Joined: Mon Mar 01, 2010 12:16 pm
Posts: 11
Location: toronto canada
For pple who sail solo in a tandem..
(I have a hobie i14 inflatable, but the question applies to rigids too)

Do you install the fwd mirage drive (to provide a secondary keel)
or do you just plug the hole?

Do you find a major difference in tacking etc with or without the fwd drive?

If you install the fwd mirage drive, how do you ensure the fins stay vertical?

thanks v much for your help.


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PostPosted: Fri Jun 11, 2010 8:47 am 
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Joined: Tue May 27, 2003 12:44 pm
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Location: Oceanside, California
Pull the drive and plug it. You don't need the lateral resistance up forward. If the fins were held down, it would make tacking harder as these fins would have to drag sideways through the water through turns. The dagger board, aft of this, is the pivot point.

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Hobie Cat USA


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PostPosted: Sun Jun 13, 2010 6:55 pm 
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Joined: Tue Apr 13, 2010 7:25 am
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Location: Montreal, Quebec, Canada
Interesting answer ... is your answer the same for sailing the i14T solo?

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Donna
Hobie i14T,
Innova Sunny,
Feathercraft Big Kahuna


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PostPosted: Tue Jun 15, 2010 3:49 pm 
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Joined: Wed Apr 07, 2010 9:49 am
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Location: Point Lookout, Maryland
I wouldn't even plug it - I'd tape it over from the bottom of the hull. When blasting along at high speed this past weekend, we still had a lot of water coming in with the plugs in place.

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Mitch
    2010 Tandem Island
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    Chesapeake Bay and Eastern Shore
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PostPosted: Tue Jun 15, 2010 4:54 pm 
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Location: Oceanside, California
Quote:
Interesting answer ... is your answer the same for sailing the i14T solo?


My sense is yes... but practical testing no. The TI has a large dagger board and doesn't need the lateral resistance of the fins. The i14 has no dagger board, but the fins that far forward when sailing solo is a bad balance point for sailing. The lateral resistance should be aft closer to the sail's center of effort.

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Matt Miller
Director of Parts and Accessory Sales
Hobie Cat USA


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PostPosted: Wed Jun 16, 2010 2:14 pm 
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Joined: Tue Aug 11, 2009 7:41 am
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Location: Stamford, CT
I only have a few days of sailing an Oasis under my sleeve, but I plug the front drive and throw a large "dry" bag full of water over it for ballast. Seems to work just fine.

Unrelated I know, but I have noticed that one could benefit from a boom batten when sailing downwind. The stock sail does curl quite a bit. Seems easy enough to make.


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PostPosted: Thu Jun 17, 2010 12:46 pm 
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Joined: Sun Aug 12, 2007 5:17 pm
Posts: 484
Location: Auckland NZ
Check this forum for details on how to make the boom batten. I made mine as follows:

Thin fibreglass rod (mine came from a blind); with soldering iron melt a small hole in one side of the sail material in the hem of the sail at the clew to allow you to insert the rod into the sleeve and push it down the sleeve towards the foot. Cut rod to fit long enough so you don't lose it inside the sail !; seal ends of rod with e.g.a blob of epoxy or tape.Done.

Works well downwind & doesn't interfere with sailing performance on any point of sail but is not compatible with roller reefing/furling (and I frequently forget to take it out before hauling on the reefing line!)


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