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Asymmetrical spinnaker rig

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deastburn
Captain

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USA
334 Posts

Initially Posted - 05/28/2002 : 21:23:01

OK. I know there are lots of you out there who have already done this, so I am looking to share your experience. My C25 has never been rigged for a spinnaker. I have her set up for single-handing, and want to add an asymmetrical spinnaker this summer. Sail Warehouse has the whole job for going on a thousand bucks. That includes blocks, halyards, sheets, etc. No whisker pole necessary (apparently). I am pscyhed to go ahead. I assume the following:

I install the halyard block forward of the furling genny at the masthead (maybe a double block, one for the halyard, one for the spinnaker sleeve). I set up a block forward of the stem fitting (a block on line from a padeye) rigged so the asym stays always forward of the furling gear, and van be gybed around it. Run the sheets aft to small winches set aft of the genny winches.

What am I forgetting? Will I need an autopilot to deploy this sail single-handed? Do I need a masthead crane to move the whole shebang farther forward of the furling gear?

If you are not bored yet, read on to my next pending improvement... Cockpit mounted traveller...

Dave Eastburn
david_eastburn@hotmail.com
Wood Duck #2616

Edited by - on

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 05/29/2002 : 00:12:19

Dave,

I recently obtained an asymetrical spinnaker and dousing sock, but I've encountered a few problems that I have yet to work out. Firstly, I do not have a masthead crane so I attached a free running block to the forward clevis pin on the masthead truck. Next, I ran the halyard from the forward part of the bow pulpit up to the spinnaker block and back down to the pulpit(running the halyards along the mast caused even more problems with the swivel). Everything appeared to be fine until I tried to furl/unfurl my genoa. Since the two forward clevis pins are so close together, with every rotation of the furler, the upper swivel would snag on the taut spinnaker halyard making furling and unfurling quite a chore. Needles to say, I removed the spinnaker halyard and I am now currently looking for a masthead crane to get the spinnaker block out and away from the furler swivel. Here is were the second part of the problem comes into play. I can't seem to locate a vendor for a masthead crane for the C25. Catalina Direct has a crane for the 27, 28, and 30 and is developing one for the 22, but they have no plans for the C25. The Sail Warehouse lists a masthead crane for a 25' boat for $19.95, but when I called them today to order one, I was told that the minimum order was $100.00 and that since he was a one man operation, "it would not be profitable for him to sell and ship a $20.00 part". Well, I can tell you this, he just lost any future business from me. I've made exhaustive web searches and have went to dozens of sites, but to no avail. Now I believe that I will probably have to get one custom made somewhere in order to get one. If anyone out there knows where to get a crane for a C25 SR how's about throwing me a bone!

As for your question on using a spinnaker, here is a good link to to an article on "Setting and Trimming the Cruising Spinnaker" at the Neil Pride website. It's fairly comprehensive.
http://www.neilprydesails.com/cs_trim.htm

Don Lucier, Northstar
C25 SR/FK

Edited by - dlucier on 05/29/2002 02:02:09

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John Mason
Admiral

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USA
687 Posts

Response Posted - 05/29/2002 : 18:34:20

I'm in the process of getting this set-up together on my boat as well. I don't have the problem with the masthead spinnaker halyard block snagging the roller furling (I have an older CDI unit that I adjusted the length of until the two didn't snag).

You don't need to go to the trouble of mounting two new winches behind the genny winches, just get two more cars w/blocks and put them on the aft end of the genny car track and run the spinnaker sheets thru them and forward to the genny winches (of course, I'm assuming at this point they will have a fairlead from the car to the winch as I haven't assessed that yet <img src=icon_smile_shock.gif border=0 align=middle> doh!).

I couldn't figure out where to attach the spinnaker tack pennant block without it interfering with the furling drum, so when I upgraded the bow stem fitting I added a piece in front of the bow stem (see photo). I'm not recommending anyone do that, I have yet to test it out, but it does clear the furling drum.

<img src="http://www.users.qwest.net/~jamason/Bow7.jpg" border=0>

If you need a masthead crane made, look around your area for a metal fabricator that does work in stainless. (Check this link to the Tech section of the site.)

http://c25c250.best.vwh.net/restricted/tt027.html

If you give them a sketch with critical dimensions, they might be able to make something for a reasonable price. In Oly, WA I always go to a place called Zeigler's Welding. They made the piece in the photo (in front of the bow stem) for $5.

John Mason - Ali Paroosa
1982 - FK/SR #3290

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chris
1st Mate

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USA
26 Posts

Response Posted - 06/03/2002 : 13:41:32

I too just recently rigged for a genniker and flew it successfully yesterday. Had stainless tack attachment made from 1 1/8 x 3/16 flat bar (aprox) to fit around forward stem fitting, 7" long, "Y" shaped with single leg forward drilled for tack shackle, the legs aft around verticle part of stem fitting and bolted with spacers through holes behind. Sheets ran through blocks shackled through center hole in aft cleats and then brouhgt directly forward to main wenchs, wouldn't want to use smaller wenchs, and cleated like normal jid sheets. No sock, seems comlpicated, so attached tack to pendant with snap shackle and light line to cockpit so pull line, release tack, haul sail into cockpit with sheet, release halyard, stuff in cabin until time to bag. Raised useing turtle bag attached to bow pulpit and tied to forward lifeline attachment ring. Hope some of these ideas help, Chris on Lhung Ta

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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.