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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 250 Specific Forum
 Off-center split backstay on C250		  New Topic  Topic Locked
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TakeFive
Master Marine Consultant

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2272 Posts
Initially Posted - 04/05/2012 :  05:12:02  Show Profile
I raised my mast the other day, and did a rough tensioning of the rig. (I need to wait until the boat is in the water to fine tune it.) I've always noticed that the tensions are not totally symmetrical on my boat. The starboard backstay and port upper are always a little higher tension than their opposing counterparts.

I finally noticed why: When standing on ground directly behind the boat's center, looking up at the mast (gudgeon and mast base aligned), the backstay turnbuckle is about 4" to starboard. Pythagoras tells me that in order for this to happen, the starboard lower backstay bridle would be about 1" shorter than the port one. (I'm embarrassed that I never measured this with the mast down - I'll stick a tape measure on it next time I'm at the boat.)

I doubt that this is a major problem, since some of you have even converted to a single backstay that is a lot more off-center than my rig. But I am curious whether others with a similar split backstay have noticed this issue also. I'll correct this when I replace the standing rigging someday, but in the meantime I plan to just live with it.
Rick S., Swarthmore, PA
PO of Take Five, 1998 Catalina 250WK #348 (relocated to Baltimore's Inner Harbor)
New owner of 2001 Catalina 34MkII #1535 Breakin' Away (at Rock Hall Landing Marina)
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Steve Milby
Past Commodore

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USA
5902 Posts
Response Posted - 04/05/2012 :  06:44:42  Show Profile
I'm not familiar with the details of the C250 rig, but if the existing rigging is factory stock, I would recommend against altering it. Mast rigging doesn't have to be symmetrical. It simply needs to be sufficiently adjustable so that it can hold the mast in column and tension it properly. When in doubt, I would trust that the company that designed, tested and built hundreds of the boats worked out the basic bugs.
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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.