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Centerboard
http://www.hobie.com/au/en/forums/viewtopic.php?f=71&t=13503		 Page 1 of 4
Author:  Jan [ Wed Aug 05, 2009 3:33 am ]
Post subject:  Centerboard
Hi
Any idea how to get rid of the centerboard when you do not need it, and still be able to get hold of it quick. I am not using trampolines, but has locked it in the up-position using a rubber pipe to stick in between to tighten it. Any other ideas?
Author:  rokraider [ Wed Aug 05, 2009 4:08 am ]
Post subject:  Re: Centerboard
I haven't tried this, but would it fit in the centre hatch?
What I have done when I wanted the dagger board up out of the way (in shallows) is to hook the bungee forwards to hold it up, can't remember what I hooked it on though. :oops:
Author:  KayakingBob [ Wed Aug 05, 2009 6:33 am ]
Post subject:  Re: Centerboard
This is what I came up with...
Image
Image
Just make sure the bungee is teathered, as some have lost theirs (they DONT float!)

I attach a small SS carabiner (seen under the handle in the top picture) after pushing the bungee through the plastic loop, so it can't "leave".
Author:  stringy [ Wed Aug 05, 2009 2:48 pm ]
Post subject:  Re: Centerboard
The daggerboard does fit in the centre hatch, although with the gearbucket in it's a bit of a chore getting it in/out. Bob's solution is more convenient. :)
I too use a small stainless carabiner clipped onto the d/b bungee. Once threaded through the screweye the crab is clipped onto the bungee loop to stop it coming out.
Author:  Roadrunner [ Wed Aug 05, 2009 11:12 pm ]
Post subject:  Re: Centerboard
I keep mine on a 3' tether so when I want it out of the way, it's easy to flip into the cargo well with the right hand -- takes no time at all. The cargo well bungees seem to hold it in place. The handle is left just behind the seat for a quick retrieval without turning around. I like Bob's idea though and will have to try it! 8)
Author:  arno [ Thu Aug 06, 2009 12:58 pm ]
Post subject:  Re: Centerboard
Same as Roadrunner for me; I frequently store mirage drive, rudder and drive well plug (according to the conditions,not all 3 together). I've made long leashes (about 3 feet) tied to the crossbar right behind the seat,so that they're attached at every moment. Very handy and with the bungee, I too find everything is well maintained, even in chop.
Author:  chrisj [ Thu Aug 06, 2009 6:46 pm ]
Post subject:  Re: Centerboard
I dunno if it would work with the fatter wheels, but this setup works fine for me with the standard cart.
Image
Author:  Pirate [ Thu Aug 06, 2009 7:30 pm ]
Post subject:  Re: Centerboard
On the issue of the centreboard, I am unsure how more effective if any it is compared with the mirage drive with fins in vertical position so I have been leaving mine at home lately. Any comments on its relative effectiveness would be appreciated...Pirate
Author:  KayakingBob [ Thu Aug 06, 2009 8:08 pm ]
Post subject:  Re: Centerboard
Pirate, at very low sailing winds I don't put in the daggerboard and use the turbo fins as a dagerbboard to save on drag. But once the winds get over 6 mph or so, It helps you not to loose ground by slipping sideways.

I also remove the daggerboard for downwind unless I've got stronger winds, then I can use all the help I can get! :)
Author:  chrisj [ Thu Aug 06, 2009 8:39 pm ]
Post subject:  Re: Centerboard
Pirate, I've developed a rule of thumb that I consider using the daggerboard at about the same stage that I consider furling the sail. That's a good bit more than winds of 6mph, but Bob is a lot more experienced than I am (as are you). I've only really noticed any side-slip close-hauling up a narrow channel in wihds of 20+ kph (12+ mph). Maybe I'm missing something :? .
Author:  TIDALWAVE [ Thu Aug 06, 2009 8:46 pm ]
Post subject:  DUAL Centerboards?
My AI is the smallest sailing craft I have ever owned.
All of my boats have had a larger centerboard area versus
the hull than the AI.
I have noticed more 'sideslip' on the AI, and she heads upwind
at a much greater angle to the wind.
I am wondering what would be the positives and negatives
if Hobie were to install a 'mirror image' centerboard well
on the portside, so that a second centerboard could be inserted?
Would the added drag cause more problems than the second board
might assist in pointing upwind?
Author:  chrisj [ Thu Aug 06, 2009 8:51 pm ]
Post subject:  Re: Centerboard
The AI's tendency to bury the leeward ama as the wind gets stronger must help a lot with counteracting side-slip.
Author:  KayakingBob [ Thu Aug 06, 2009 9:16 pm ]
Post subject:  Re: Centerboard
In lighter wind, I have lots of time to play with gear, and often play with my GPS. I can definitely see a difference in tracking, with and without the daggerboard in. To a lesser degree with the Turbo fins down vs up. Also I can see the speed reduction each with the Daggerboard and the Mirage drive in.

I guess little things intrigue me :)
Author:  chrisj [ Thu Aug 06, 2009 9:20 pm ]
Post subject:  Re: Centerboard
reconlon wrote:
In lighter wind, I have lots of time to play with gear, and often play with my GPS. I can definitely see a difference in tracking, with and without the daggerboard in. To a lesser degree with the Turbo fins down vs up. Also I can see the speed reduction each with the Daggerboard and the Mirage drive in.

I guess little things intrigue me :)

How do you do that with the Garmin Bob? Do you set a destination, then go by the distance off course reading?
Author:  KayakingBob [ Thu Aug 06, 2009 10:53 pm ]
Post subject:  Re: Centerboard
Quote:
How do you do that with the Garmin Bob? Do you set a destination, then go by the distance off course reading?

Yep, trying it in different directions, at different wind speed, while watching the map, zoomed in, to see the effect. Compare to a programed track and it's easy to see any extra "drift".

When the wind finally comes up each day, it's a bit crazy, and gets busy. So before then, when it's light, there's lots of time to tweek.
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