Asymmetrical spinnaker

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  • June 29, 2011 9:16 AM
    Message # 634345
    Deleted user
    I have found one of these with a sock for $450, it has been used twice.
    The dimensions are a little smaller than what the w32 sailplan calls for as it was designed for a freedom 35. Looking at the online used sail inventory (minneys, bacon, atlantic etc) looks like I would be paying around $550 to $700 for a good used sail.. new about $1600
    The material is 3/4 ounce...

    So, a bit smaller than what I can use but new with a sock... is the 3/4 ounce material a dealbreaker?

    Thanks for any input
  • June 30, 2011 10:02 AM
    Reply # 635413 on 634345
    Deleted user
    OK so I bought the sail. Only "you did the right thing" replies from now on! :)
  • June 30, 2011 10:29 AM
    Reply # 635432 on 635413
    Deleted user
    Gary Burton wrote:OK so I bought the sail. Only "you did the right thing" replies from now on! :)

    Just don't over load it (stretch it out)  and If you use polypropylene lines for it (Extra light weight lines "sheets" same OD as you reg sheets ) you will have even better luck sailing in light winds.

    I give up on the light sail in about 8 kts+/- 

    Have fun.
    Norm 
  • June 30, 2011 4:59 PM
    Reply # 637189 on 634345
    Deleted user
    Thanks Norm!
  • August 02, 2011 8:15 AM
    Reply # 667808 on 634345
    You did the right thing. :)

    ~Aaron
  • August 02, 2011 8:26 AM
    Reply # 667849 on 634345
    Deleted user
    haha ...thanks Aaron! I got to use it last Saturday....we had 6~7~8k wind and were able to get the boat speed up to 3.7k at 60 deg true wind.. 
    I had a question on this: we had full main, staysail and assym/gennaker up. On a close reach/beat like this does the staysail actually make any difference? We did try several configurations... but as the wind was fluky it was hard to tell the difference. Another question: on a very deep reach/run with asym/gennaker up, is it best to leave the main up?
    Thanks for any input
  • August 02, 2011 9:03 AM
    Reply # 667882 on 634345
    Gary,

    I think it's worth having the stays'l up any time you're going up wind...the more luff length you can get, the better.

    As for deep reaching, well...if the wind is really light, the main up will probably blanket the asymm somewhat, then when there is enough wind to keep both full, you may have weather helm issues. This is assuming you're running with the asymm to leeward. If you have it polled to windward and are reaching in the 160* area, you can leave the main up. Just depends how things are balancing. In general, I like to use our asym just like a jib.


    Cheers,
    Aaron
  • August 02, 2011 10:59 AM
    Reply # 667969 on 634345
    Deleted user
    Yes, since this is only a 650sq foot asym, it is just like a drifter I suppose. 
    I probably would have been better off just buying a reacher. Of course price is always a factor! :)
    This asym has a fixed length pennant and I adjust the luff with the halyard tension... dont know if this is an accepted way of doing it, but it works.

    Last modified: August 02, 2011 11:00 AM | Deleted user
  • August 02, 2011 1:09 PM
    Reply # 668068 on 634345
    Gary,

    It's generally not a good idea to adjust luff tension using the halyard on a big free flying sail. This is because, if there is too much distance between the head of the sail and the halyard sheeve, the sail can begin to oscillate or "dance" back and forth. In extreme cases, such as a halyard being eased by a novice deck hand, this oscillation can broach a boat and knock it down (I have seen this!) Now, if it's only a foot or two, it's not a big deal. But it is generally best to hoist the head all the way up and deal with luff tension via the pennant. This also greatly reduces the potential for halyard chafe aloft.

    I use a 2:1 purchase on the tack: a single block with becket with a pelican clip in the bail. I reeve a line that is made off to the becket up through the tack of the asymm, then back down through the sheeve, then back to the capstan on the windlass where it is made off with a tugboat hitch. For me, the 2:1 is adequate; if I am unable to tighten the luff by hand with that, then there's too much wind for my 1050 ft/2 sail, or it's sheeted too tight.

    ~A
  • August 02, 2011 2:48 PM
    Reply # 668134 on 634345
    Deleted user
    Interesting, thanks Aaron! 
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