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sail bag zipper

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Joey D View Drop Down
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    Posted: 02 December 2019 at 01:11
I have ripped the zipper off the mainsail bag twice as it is so hard to close the bag.  My thought is that I do not have enough tension on the lines therefore all the sail weigh is on the zipper?  That said, I am afraid to putting all the tension on these lines.  I would greatly appreciate anyones advise?
Thanks
Joe

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samuel View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote samuel Quote  Post ReplyReply Direct Link To This Post Posted: 02 December 2019 at 08:04
There is a simple way to take the weight off the zipper. I only have a 311 so can lean across the boom. I am not sure that you can on a 415. if you can this may work. I did it because I sail single handed & in heavy weather I drop the sail & hold it in place with some ties across the sail. They are adjusted so that there is no weight on the zip when I am ready to do it up. I originally had plastic snap in hooks on webbing, but these needed 2 hands to fasten them. I asked the sail maker to change them & this was the result. He got it a bit wrong so I altered it again. I now have a loop one side & the other side is a single line with a ball on it. I can do it up one handed. Unfortunately I do not have a picture.
By the time I get into port the sail has settled in & the zip is dead easy to fasten.
It is handy when leaving port. I unzip before leaving & just have 3 ties holding the sail down. Then i just flick the ties & the sail is ready to hoist
I also had him change the zip so it started at the mast. if i do want to do the zip up I can start it whilst i am at the mast & not have to walk back & grab a swinging boom whilst standing on the cockpit seats then go forward all over again.







Edited by samuel - 02 December 2019 at 08:13
Daydream Believer- Hanse 311- No GBR9917T- Bradwell Essex
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Joey D View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Joey D Quote  Post ReplyReply Direct Link To This Post Posted: 02 December 2019 at 18:09
Hi Samuel,

I like and appreciate both of your ideas.  I plan to remove the bag this weekend and get to work on the repairs.  

Thanks much

Joe
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Fendant View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fendant Quote  Post ReplyReply Direct Link To This Post Posted: 02 December 2019 at 18:19
Joe,

Hanse's supplier has only a uniform sailbag for all sails ( including FCL upgrade ).

Be aware that you can only use the solution as above for the smaller boats in the Hanse program. From a 345/348 onward you are already experiencing difficulties to reach the end of the boom for nicely packing your main sail, unless you are a basketball player.

Why don't you ask your canvas specialist to insert a triangular shaped insert into the sailbag ? He needs to fix the zipper seam any way.
For me this worked perfect, I have fitted a continuous line for the zipper with blocks at both ends of the boom. I let the main drop into the bag and close the zipper.
Frank
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Joey D View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Joey D Quote  Post ReplyReply Direct Link To This Post Posted: 02 December 2019 at 19:36
Hi Frank,

I want make sure I understand your solution. Are the triangular inserts you had installed to attach the blocks at either end of the bag/boom? 

Thanks

Joe
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Fendant View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fendant Quote  Post ReplyReply Direct Link To This Post Posted: 02 December 2019 at 22:40
Hi Joe,

here is a quick sketch:



-Make the red inserts left and right along the line of the original zipper
-Height of triangle determines the force needed to close the zipper around the sail
- make it big enough to be closed easily even when the sail is just falling into the sail bag
-Zipper then fastened along the hypothenuse of the triangle
- 1 block at the end of the boom ( mine is fastened to the end of the boom )
- 1 block at the mast , continuous line connected the zipper


good luck
Frank
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Joey D View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Joey D Quote  Post ReplyReply Direct Link To This Post Posted: 02 December 2019 at 22:46
Hi Frank.

Ingenious, LOVE IT!
So very glad I asked.

Thanks again

Joe
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samuel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samuel Quote  Post ReplyReply Direct Link To This Post Posted: 03 December 2019 at 07:05
On another forum, an owner told of one solution, where he had the zipper at the side, rather than the top. This meant that one half of the bag was much wider. He seemed to like it, because he did not have to reach so high.
Daydream Believer- Hanse 311- No GBR9917T- Bradwell Essex
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Sea-U View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Sea-U Quote  Post ReplyReply Direct Link To This Post Posted: 03 December 2019 at 08:51
I have a 15 cm thread at the zipper and I pull hard down on the mainsheet to get the boom down. This helps. And of course a mast step.

Edited by Sea-U - 03 December 2019 at 08:52
Sea-U is a 370e #532 located SW Norway
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fendant Quote  Post ReplyReply Direct Link To This Post Posted: 03 December 2019 at 12:21
Originally posted by samuel samuel wrote:

On another forum, an owner told of one solution, where he had the zipper at the side, rather than the top. This meant that one half of the bag was much wider. He seemed to like it, because he did not have to reach so high.


Samuel,

yep, I saw this solution as well.
The disadvantage is with lazy jacks, that you have a constant tension on the zipper in addition to the load coming from a less than perfect packed sail.
Another problem arises when you have a large Bimini. This will prevent you from reaching the boom end of the sailback.
Maststeps help closing the front end of the sailbag, my admiral can do it on the steps, but prefers to let me do it
Frank
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