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Taming spin sheets #166020
01/25/09 07:03 AM
01/25/09 07:03 AM
Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Dazz Offline OP
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Dazz  Offline OP
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Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Does anyone have any really good ideas on how to keep the spin sheets out of mischief while sailing to windward.

I'm thinking some sort of clips on the main beam, would be happy just to stop them falling off the main beam and into the water!

Cheers

Dazz


C2 AUS 222 by Goodall design
"Darph Bobo"
-- Have You Seen This? --
Re: Taming spin sheets [Re: Dazz] #166027
01/25/09 08:35 AM
01/25/09 08:35 AM
Joined: Jul 2001
Posts: 2,844
42.904444 N; 88.008586 W
Todd_Sails Offline
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42.904444 N; 88.008586 W
I've seen lots of variations.

One of the best was a pigtail on the clew for the spin sheet, sucked the sheet into the snuffer more. (Or was the the halyard/retrieval line?)

I used to use a turning block on a fairly loose bungee near the rear beam that the spin sheet went thru.
It kept things tiddy on the tramp, and the sheet never went off the boat, but had plenty of slack to trim, tack, etc.

I'm sure someone will give you some great ideas about this.


F-18 Infusion
#626- SOLD it!

'Long Live the Legend of Chris Kyle'
Re: Taming spin sheets [Re: Todd_Sails] #166035
01/25/09 09:45 AM
01/25/09 09:45 AM
Joined: Jan 2008
Posts: 3,655
Portland, Maine
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ThunderMuffin Offline
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The pigtail on the spin clew works great but it still leaves the sheet on the tramp to flop around.

On my tramp, I have a grommet in the back (two actually, one for the halyard and one for the sheet) that has a bungee running through it connected to a block that the sheet runs through. It stretches the sheet out all the way to the back of the tramp so theres no slack to go overboard. The downside of this is that it sometimes gets knickered up with the halyard and mainsheet back there. Butt-cleats also get in the way sometimes.

The BEST solution I've seen is the one that I saw on the Keysailing boats where a bungee is run all the way out to the front of the spinpole, all the way to the rear beam (for plenty of stretch) and then the sheets are taken from the turning blocks on the front beam, and run out to the sides under the tramp and then sucked up via that bungee. The bungee allows you plenty of slack to sheet the spin but enough tension to keep the slack under the tramp and out of the water. I wish I had pictures of it because I want to reproduce the system on my boat.


Re: Taming spin sheets [Re: ThunderMuffin] #166089
01/25/09 07:53 PM
01/25/09 07:53 PM
Joined: Oct 2005
Posts: 951
Brisbane, Queensland, Australi...
ncik Offline
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Running the retrieval line through the clew works well for us. It sucks the clew into the back of the chute with a heap of spin sheet. You need to cut a metre or so off your spin sheet every so often until you're happy with the length; short enough to be tidy when doused, long enough to work when hoisted.

Another system is to have a spin sheet turning block with strop shock-corded to your front beam so that when there is tension on it the shock-cord releases about a foot. Only effective for small amounts of slack take-up (1 metre max) but it will move the sheet forward on the tramp.

Re: Taming spin sheets [Re: ncik] #166099
01/26/09 01:56 AM
01/26/09 01:56 AM
Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Dazz Offline OP
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Dazz  Offline OP
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Hobart, Tasmania, Oz.
Ok I will give the pigtail a go!

how long is it normally? will a longer halyard be needed?

I seem to remember reading something about it on this forum a long time ago. seriously cant find it.


C2 AUS 222 by Goodall design
"Darph Bobo"
Re: Taming spin sheets [Re: Dazz] #166100
01/26/09 02:34 AM
01/26/09 02:34 AM
Joined: Sep 2007
Posts: 15
I
icatchya Offline
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I would also be interrested in your ideas.
many thanks

Re: Taming spin sheets [Re: icatchya] #166119
01/26/09 07:56 AM
01/26/09 07:56 AM
Joined: May 2004
Posts: 503
BrianK Offline
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We recently set this up and it works well. You get a metal ring around an inch (2.5mm) or so and put the ring on the snuffer line below the bottom grommet.

I was told the pigtail is around 18 inches in length, we started with ours a little longer around 28 linches.

One end of the pignail attaches to the ring, the other end to the clew. When the spin is snuffed the sheets are fairly tight.

Re: Taming spin sheets [Re: BrianK] #166221
01/26/09 05:54 PM
01/26/09 05:54 PM
Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Dazz Offline OP
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Dazz  Offline OP
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Hobart, Tasmania, Oz.
Did you use shock cord or rope?


C2 AUS 222 by Goodall design
"Darph Bobo"
Re: Taming spin sheets [Re: Dazz] #166224
01/26/09 06:26 PM
01/26/09 06:26 PM
Joined: Oct 2005
Posts: 951
Brisbane, Queensland, Australi...
ncik Offline
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ncik  Offline
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Brisbane, Queensland, Australi...
We just run the retrieval through the clew, either through the knot in the sheet or the eyelet.

Re: Taming spin sheets [Re: Dazz] #166225
01/26/09 06:26 PM
01/26/09 06:26 PM
Joined: Oct 2008
Posts: 126
Southampton UK
NacraKid Offline
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Posts: 126
Southampton UK
We used to use the pig tail system then stopped, can't rember why, prob because it collopased the kite too much in ligt airs.

Then we just had the sheets goin through a bungy loop on the tramp, and the bungy disapeared off under the tramp. Stopped using that as it was bugging me when i trapped downwind.

Now we don't have anything and that works fine, we've got thin kite sheets, 6mm, which helps and i try to stuff it under the toe loops when possible, works fine really that.

Keep it simple

Re: Taming spin sheets [Re: Dazz] #166234
01/26/09 07:36 PM
01/26/09 07:36 PM
Joined: May 2004
Posts: 503
BrianK Offline
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BrianK  Offline
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Originally Posted by Dazz
Did you use shock cord or rope?


Piece of spectra. I think most of the F18s were using it at Tradewinds.

Re: Taming spin sheets [Re: BrianK] #166998
02/01/09 11:29 PM
02/01/09 11:29 PM
Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Dazz Offline OP
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Dazz  Offline OP
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Posts: 586
Hobart, Tasmania, Oz.
Hey Guys,

Thanks for all the input!

In the end I used 18 inches of dyneema core and spliced onto a 25mm ring. put an eye splice in the other end so i can loop it through the clew of any kite.

needed a little extra halyard, but its a pretty happy trade off.


C2 AUS 222 by Goodall design
"Darph Bobo"
Re: Taming spin sheets [Re: BrianK] #167009
02/02/09 07:34 AM
02/02/09 07:34 AM
Joined: Nov 2005
Posts: 1,203
uk
TEAMVMG Offline
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TEAMVMG  Offline
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Posts: 1,203
uk
Originally Posted by BrianK
inch (2.5mm)


Flippin' Yanks!


Paul

teamvmg.weebly.com
Re: Taming spin sheets [Re: TEAMVMG] #167017
02/02/09 08:51 AM
02/02/09 08:51 AM
Joined: Jan 2008
Posts: 3,655
Portland, Maine
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ThunderMuffin Offline
Carpal Tunnel
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Posts: 3,655
Portland, Maine
Don't blame us, you invented it!


Re: Taming spin sheets [Re: TEAMVMG] #167032
02/02/09 11:49 AM
02/02/09 11:49 AM
Joined: Jul 2005
Posts: 267
Ocean Springs, MS
Capt_Cardiac Offline
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Capt_Cardiac  Offline
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Posts: 267
Ocean Springs, MS
ok, ok its 2.5cm for an inch but come on, the effort was there!


Capt Cardiac
Ocean Springs Yacht Club
Sailor
Nacra20 - Flight of Ideas #5
Re: Taming spin sheets [Re: Dazz] #167150
02/03/09 01:35 PM
02/03/09 01:35 PM
Joined: Feb 2004
Posts: 39
Central Europe
ceitzi Offline
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ceitzi  Offline
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Joined: Feb 2004
Posts: 39
Central Europe
The following way to "tame" spin sheet worked quite well for me:
We put a small piece (about 20cm) of velcro tape (the "hook" side of the velcro) on the front beam. If you use a somewhat soft spin sheet (such as FSE racing sheet) then it will stick to the velcro very well. Supposed that the velcro is in the right position (or long enough), the sheet will just fall on the velcro and stick to it after lowering the spinnaker.

Ceitzi


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