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Catalina/Capri 25/250 Sailor's Forums

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Rope Types

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frich
Captain

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USA
418 Posts

Initially Posted - 03/13/2002 : 07:43:07

I am a bit confused as to the different types of rope available? I plan on changing my wire halyards to rope utilizing Capt. Eds method shown on his website.

Should polyester,braided, or some other type be used in this instance. When are the other types of line utilized. I apprciate the direction.

Frank Rich

Edited by - on

Bristle
Admiral

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USA
834 Posts

Response Posted - 03/13/2002 : 10:53:37

The replacement sheaves from Catalina Direct will take 5/16ths line. You want low stretch, generally meaning double-braid at least like Sta Set (New England Ropes), which is all polyester (Dacron). For lower stretch (more important for the jib than the main), you can get a Spectra and/or Technora core with a polyester cover, like NE Ropes T900. These high-tech fibers are not meant to be knotted--a splice is best for the shackle. Most suppliers will splice it for you.

Check out the West Advisor (www.westmarine.com) and New England Ropes (www.neropes.com).

Dave Bristle, 1985 C-25 SR-FK #5032 "Passage" in CT

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 03/13/2002 : 19:17:30

FYI - Two weeks ago, I ordered 4 external rope masthead sheaves from Catalina Direct(CD Part No. RON1751) to replace my wire sheaves. The new sheaves from Catalina Direct cost $4.95 each (although their handbook lists them for $2.95). I later found these sheaves at www.Defender.com for $2.80 each(Part No. RF1751). Additionally, Ronstan says that the max line size for these sheaves is 1/4".

Don & Jennifer, Northstar
C25 SR/FK

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Bristle
Admiral

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USA
834 Posts

Response Posted - 03/13/2002 : 20:18:02

Don & Jennifer:

Did you find, as someone else reported, that the replacement sheaves did not have sufficient diameter to keep the halyards from chafing on the masthead casting? I'm not particularly excited about that...

On the subject of price, I have limits to how much I'm willing to be ripped off, but in Catalina Direct's defense, I'm not confident that I could find a technical support resource that knows what a C-25 is at Defender. For example, could Defender have told you what sheaves to buy? And I could probably find a lower price than $2.80 if I looked a little further. CD will spend time on the phone, send faxes, make coast-to-coast calls, etc., to help me out. I guess that lunch ain't really free. (Standard disclaimer goes here.)

Dave Bristle, 1985 C-25 SR-FK #5032 "Passage" in CT

Edited by - bristle on 03/13/2002 20:24:58

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 03/13/2002 : 21:13:30

I have not installed them in the masthead yet, but the 5/16" sta-set that I just bought doesn't sit in the sheave all the way and the new sheaves themselves are smaller in diameter than the wire rope sheaves. I know someone stated in an earlier thread that the masthead required some grinding to smooth the exit from the sheave to prevent chafe so when I install them in a couple of weeks I'll bring my Dremel along.

As for Catalina Direct's prices, I to do not mind paying a little more for an item when a little technical knowledge is being thrown in for free. But I received their handbook a couple of weeks ago and placed an order for 4 items. Two of those items had significantly different prices: Garhauer genoa car book price=$26.40, actual price $35.00 and the afforementioned masthead sheaves. I know that CD states that prices may have changed due to inflation, suppliers,..etc, but I bought the handbook for the parts guide which appears not to have been updated since 2000.

Don & Jennifer, Northstar
C25 SR/FK

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Leon Sisson
Master Marine Consultant

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USA
1893 Posts

Response Posted - 03/13/2002 : 21:42:08

Frank Rich,

Here are a couple of links into a previous thread on the topic of Catalina 25 halyard diameters, routing, and sheeves:

<http://trailersailor.com/webbbs/catalina25/archive/index.cgi?read=18221>

<http://trailersailor.com/webbbs/catalina25/archive/index.cgi?read=18245>

I eventually went with 3/8" diameter dacron double braid on the Catalina Direct internal halyard sheeves. For exits, I used Schaefer #34-46 exit plates spaced about 1 or 2 feet apart, well above the gooseneck. For halyard turning blocks at the mast base plate, even though I'm a big fan of Harkens, I used Ronstan series 40 ballbearing blocks because of their higher load capacity and reasonable prices. All my halyards are lead aft. I'm quite pleased with the results.

-- Leon Sisson

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Bristle
Admiral

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USA
834 Posts

Response Posted - 03/14/2002 : 10:38:54

Good info in that first link, Leon--I'm gonna go sheave hunting. I want an external all-rope setup, but I don't want the halyards scraping on the masthead. Frank and Don: I'll let you know what I find--let's all hunt together.

Dave Bristle, 1985 C-25 SR-FK #5032 "Passage" in CT

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 03/14/2002 : 11:44:06

I went searching last night for a sheave with those spec's , but alas, my search was in vain.

Don Lucier, Northstar
C25 SR/FK

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Bristle
Admiral

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USA
834 Posts

Response Posted - 03/14/2002 : 14:25:47

Can we drill a new pair of holes in the casting to position the clevis pins (axles) further forward and aft for the smaller diameter sheaves? I haven't taken a close look at the casting with that in mind, but it might solve the clearance problem. Then again, there may not be room... I'm gonna look at that tonight.

Also, on mine, there's an aluminum plate lengthwise between the sheaves--does that need to be there? It's slightly off center at one end due to a bolt for a windex. I may have more options with the sheaves if I remove it. I could put a fender washer between each pair instead.

Dave Bristle, 1985 C-25 SR-FK #5032 "Passage" in CT

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