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Go Back   SailNet Community > On Board > Gear & Maintenance > CDI mainsail reefing system
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Thread: CDI mainsail reefing system Reply to Thread
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Topic Review (Newest First)
01-06-2014 01:47 PM
jsaronson
Re: CDI mainsail reefing system

The CDI stuff is generally less robust than Harken. There are plastic parts in the jib furler. I also wonder about losing performance with the space between the luff and the mast.
01-06-2014 11:10 AM
mitiempo
Re: CDI mainsail reefing system

Quote:
Originally Posted by Group9 View Post

It seems to be the one advantage something like the CDI system offers over a system that rolls up inside the mast, is that if the CDI system gets jammed, you let the thing down with the halyard and try and unscrew it.
True but Murphy rarely lets these things occur in calm weather. It wouldn't be a fun exercise in a squall or rising wind when you are trying to get the main in quickly.
01-06-2014 08:24 AM
Group9
Re: CDI mainsail reefing system

Quote:
Originally Posted by ebs001 View Post
On most monohull sloops most of the power comes from the headsail. As a result the effects of a some what smaller main are minimal.

Few boats cruising in the Bahamas use their main unless the have roller furling. It is just to much of a hassle. In fact I'm seeing a number of boats who don't even bother to put a mainsail on the boat.

A friend of mine has a C&C 30 which had an after market roller furling main similar to the CDI system. Being a bit of a sailing purist he thought he would remove it and go with a fully battened main; however, once he tried the roller furling system he said he would never go back and he hasn't in over 15 years.

When I'm on a passage, I use my mainsail. When I'm just poking around, and not in a hurry, I pretty much just use the RF jib, too.

It seems to be the one advantage somethink like the CDI system offers over a system that rolls up inside the mast, is that if the CDI system gets jammed, you let the thing down with the halyard and try and unscrew it.
01-06-2014 02:05 AM
ebs001
Re: CDI mainsail reefing system

On most monohull sloops most of the power comes from the headsail. As a result the effects of a some what smaller main are minimal.

Few boats cruising in the Bahamas use their main unless the have roller furling. It is just to much of a hassle. In fact I'm seeing a number of boats who don't even bother to put a mainsail on the boat.

A friend of mine has a C&C 30 which had an after market roller furling main similar to the CDI system. Being a bit of a sailing purist he thought he would remove it and go with a fully battened main; however, once he tried the roller furling system he said he would never go back and he hasn't in over 15 years.
01-05-2014 10:48 PM
mitiempo
Re: CDI mainsail reefing system

sivilsld

It looks similar to any of the in mast mainsail furlers but it is externally mounted. It will of course require a re-cut of a conventional mainsail to remove the battens and hollow the leech. The loss of sail area will affect performance compared to a conventional battened main with roach. Because the main is not attached to the mast for its full length that will affect performance as well.

I think the simplest most reliable system is a conventional battened main with 2 line reefing and lazyjacks. The battens and roach give a better setting sail and better performance. 2 line reefing, either from the mast or the cockpit is quick and easy to use and not prone to the jamming.
01-05-2014 08:06 PM
sivilsld
Re: CDI mainsail reefing system

No I have not purchased one yet.
01-05-2014 06:37 PM
ebs001
Re: CDI mainsail reefing system

Google CDI Mainsail furler there are some reviews there from cruisersworld.com.
01-05-2014 05:09 PM
Pat the plumber
Re: CDI mainsail reefing system

Hi,
I too am intrigued with this consept but I am hesitant to make a purchase because I have no feed back from other sailers. I was wondering if you might have purchased one since this post or if you got any feed back from another source.

Any feed back is better then what I have now.

Pat
12-14-2012 04:13 PM
sivilsld
CDI mainsail reefing system

Does anyone have any experience with the MAINSAIL REEFING SYSTEM now being offered by CDI? I'm intrigued by the concept but I wonder about robustness.

 
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