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Catalina/Capri 25/250 Sailor's Forums

Catalina 250 Specific Forum

CDI furler luff carriers

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Arlyn Stewart
Master Marine Consultant

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USA
2980 Posts

Initially Posted - 04/12/2006 : 21:46:24

My furler luff carriers made of Trex are in bad shape. Trex just wasn't strong enough to hold up.

Someone introduced a design using PVC pipe... any one remember who or whether the design used two sizes of PVC or did the luff lay flat on a wood spacer?

Arlyn C-250 W/B #224

N/E Texas and Great Lakes
Arlyn's Sailing Site

Edited by - on

frog0911
Master Marine Consultant

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USA
1349 Posts

Response Posted - 04/12/2006 : 21:58:09

If my memory serves me correctly it was a Tom Potter design. I can attest to its functionality since I saw it in operation and help him take it apart for mast raising.

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Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 04/12/2006 : 22:04:08

Arlyn,
I copied an idea someone posted a while back and made a few changes. Split a piece of PVC pipe and used a 2x2 to form a spacer between the two hafts of PVC. I used screws to fasten the PVC to the 2x2's. Then used some spray adhesive to glue a rubber drawer liner to the inside of the PVC to prevent scratching of the mast. You can make several and space them out enough to support the furler. By using the 2x2's it gives you room to clear the mast light. I made the front one to support the CDI drum. Here's a couple pic's.

here's the front

Front with furler

and mid mast support

Edited by - on

tmhansen
Captain

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USA
397 Posts

Response Posted - 04/12/2006 : 23:47:32

Arlyn, I merged the idea of your support with Toms. I cut a piece of PVC pipe in half. As a spacer I used a section of 4x4 with a radius on each end to support the pvc. I drilled a hole through the spacer, radiused the edges of the hole and strung a loop of bungee through it. Then I put a stainless screw with a nylon spacer on one face of the spacer. The bungee is looped around the mast over the furler (and sail) and hooked on the screw. I made eight of them plus a long one like Toms for the drum only is has two of my blocks insead of a long 2x4.

I made my spacers a little taller than I absolutely needed to and do regret that. Since I keep the sail in the furler it is pretty heavy and makes the assembly want to rotate.

Edited by - on

Arlyn Stewart
Master Marine Consultant

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USA
2980 Posts

Response Posted - 04/13/2006 : 06:25:11

Thanks for the quick replies, I'll tackle this the next couple of days. I've some nice redwood materiel for the spacers and will just need to pick up some spray adhesive for the liner.

Todd, I did like the bungee incorporated with the support (always with it) so will repeat in some way though the redwood is a little soft for loading a screw very heavy... so I may use a hook on one end and just hook the bungee after wrapping around.

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Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 04/13/2006 : 09:14:17

Arlyn,
If I recall right I had to use a little thicker spacer for the supports on either side of the mast light to gain clearance. You may want to check that before you cut all your spacers.

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welshoff
Captain

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USA
253 Posts

Response Posted - 04/13/2006 : 11:54:07

Arlyn,
Here is a link to the post I put together on this topic [url="http://www.catalina-capri-25s.org/forum/topic.asp?TOPIC_ID=11822&SearchTerms=support"]boat on trailer[/url].

Note: I used all 2x2 ceder for spacers - it cleared the steaming lignt and I didn't need a different size spacer at this location. The length of the support at the furler drum is 66" overall. I used two pieces about 43" long and overlapped them by about 21". This worked great for my setup.

Edited by - on

Bubba
Admiral

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USA
542 Posts

Response Posted - 04/13/2006 : 19:34:37

This might be the [url="http://www.catalina-capri-25s.org/forum/topic.asp?TOPIC_ID=9049&SearchTerms=foil"]original post [/url]you were thinking of Arlyn.

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Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 04/13/2006 : 20:02:26

Yep thats it!

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Arlyn Stewart
Master Marine Consultant

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USA
2980 Posts

Response Posted - 04/14/2006 : 06:52:32

Thanks again to all for the references... I've almost finished the carriers (lack the bungee on some).

1.25 inch pvc was used on the top cut so that it clamps the furler luff vertical (suitable only if one never plans to carry the sail on the furler).

Tom, I made eight of them 8 inches long plus the end so have a few more but shorter.

The 3" PVC was cut more than half and then fed into the roller portion of the bench sander to square the edges so that a friction fit is formed with the sides of the mast (protected of course by the rubber liner) so as to provide a carrier with a bit more lock to the mast.

I used Todds method of drilling a hole thru the redwood 3/4 x 2 1/8" spacer strips to secure the bungee with a stopper knot. A hook on the other end to catch the bungee after circling all.

To keep things uniform, the headstay is released from the mast truck so that all carriers remain the same height.

#8 x 1" brass screws were counter sunk well into the pvc and the soft redwood received them well without predrilling.

Edited by - on

Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 04/14/2006 : 07:36:13

Arlyn,
Sounds like you may have evolved this idea to perfection. I like what you've done, using a smaller PVC for the furler and the cut on the larger PVC to lock on the mast. One of the problems I have with mine is once untied their prone to slip off the mast easy. The rubber liner helps with some of the slipping but not totally. I may look into creating another set since I have a bunch of PVC pipe laying around.
What's your thoughts on a mast crutch to support the mast while traveling? Keeping in mind I have the TR, the mast seems to bounce a lot when traveling, is that normal? I made the wooden one in the pictures above to slip around the mast, lined it with carpet to keep it from scratching and used the mast bolt to hold it in the mast step. I threw it together quick using scrap and its broke now.
Before I build another, I'm asking myself do I need one? My concern, is that bouncing putting undue shock on the mast step. I had to pull and re-bed the mast step not long ago because it was leaking. I'm wondering if all the bouncing during traveling caused the mast step to leak. I don't travel often but when I do it's to the coast, 6-8 hours of interstate.

Edited by - Tom Potter on 04/14/2006 07:44:10

Arlyn Stewart
Master Marine Consultant

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USA
2980 Posts

Response Posted - 04/14/2006 : 08:22:50

Tom, I've not heard any stories of mast folding up while trailering so its probably the imagery of the mast bouncing than real concern... that said, I have one.

As you say, mine doesn't need to be as long... my mast rest foreward in a fiberglass saddle that sits on the bow pulpit instead of on the mast raising strut as later models.

Having to rebed the mast step is typical for whatever reason... likely the temperature changes of the hull working that joint.

Because the mast sets offset on some models... it seems to me that the approach with a vertical post and then a saddle that adjust the offset. Have you tried 3" pvc pipe and a Tee fitting on the top cut in half?

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Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 04/14/2006 : 09:28:05

My plans for the rebuild included PVC. We'll see what develops. One of the pluses of the mast support I built was it kept the mast straight and the spreaders from banging on the cabin roof.

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Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 05/15/2006 : 19:05:37

Arlyn,
I've started getting ready for the BEER cruise at the end of this month and decided to make up another set of furler supports. I took a peek at your website and seen your new ones, they look very functional. I like the way you turned the furler on its side to cut back on the bending.
I cut out a set of 10 yesterday, using 1.25" uppers and 3" lowers, just need to make a trip to home depot to get some spacer wood.

I tried to make the mast support using a 3" T of PVC, only the mast is to wide to fit the 3" T. Going to have to resort to plan B. (still under thought).

Edited by - on

Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 05/29/2006 : 18:50:19

Finally got around to replacing my old wooden mast support with one made out of PVC. I used 3" pipe with a 3x4x4 PVC tee. Cut the tee so the mast would fit snug. I lined the inside of the tee with some indoor/outdoor carpet. No more bouncing mast.

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kevinmac
Admiral

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USA
732 Posts

Response Posted - 05/31/2006 : 19:15:39

Slick! -Kevin

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Keith D.
Navigator

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USA
233 Posts

Response Posted - 06/02/2006 : 00:25:20

I really did like the idea of using the 3” ABS pipe. When I first put it up there it was a little floppy so I re did it. The part in front of the mast foot I left it the full pipe and only cut it in half behind the mast foot. I then had fun with the ABS glue and dropped down the front part so the top of the drum dropped down and kept the luff carrier flat all the way. Some more glue and I made the sides going back and then some more brace parts. Its still light weight and good and stiff. The front keeps from bending down by the section of whole pipe pushing on the bottom of the mast foot.

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