Corsair/Farrier Anarchy

[MultiThom]

Nice video!

It looks like you have two running backstays rigged up. I've never seen that on a Corsair--my F-28 just has the two side shrouds and that's it. It looks better to me to see two strings per side to hold the mast up.

How are they attached to the mast? Through the same shackle as the shrouds, or a separate fitting?

Unlike your F28, the F27 had a fixed mast (no rotation). The mast originally had one spreader and a baby stay in the front that always caught the jib on tacks. The two shrouds controlled mast bend (like on many keelboats backstay). The second (aft) shroud connects to the first shroud with a cascade of line like a mainsheet. On heavy wind you cranked the cascade to bend the mast and depower the mainsail.

As a small digression, back in 1990 sails were mostly crosscut because the fabric used was mostly dacron. Crosscut sails put the loads perpendicular to the weft and weave. To add shape the mast "pushed in" the fabric to create the belly; so bending the mast depowered the mainsail by reducing its camber.

 

[SPatton]

The second (aft) shroud connects to the first shroud with a cascade of line like a mainsheet.

Yep, got it, I've seen those types of things on these trimarans.

In the video, though, it looked to me like the angle of the aft shrouds was quite vertical, so I thought they were perhaps attached to the mast and not the side shroud, but I suppose I could be wrong.

 

[can-UK]

Nice video!

It looks like you have two running backstays rigged up. I've never seen that on a Corsair--my F-28 just has the two side shrouds and that's it. It looks better to me to see two strings per side to hold the mast up.

How are they attached to the mast? Through the same shackle as the shrouds, or a separate fitting?

I’ve added a masthead kite and screacher to the boat.

We added colligo cheeky tangs as attachment points to the masthead.

 

[LiquidSun]

Stumbled upon this Farrier 720 2010 on ebay. Charity auction Lynn, Massachusetts $5000/ offer No affiliation / no idea etc.

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[deminimis]

Bo, Chris, anyone leave his/her 970/31 in a slip when partially folded (second/outer traveling pin position)? How has that worked for you? Also, whether moored or motoring, would you consider the boat significantly, modestly, or _____ more stable than when the amas are fully folded? Asking about Corsair 970 or 31 partially folded only. Thanks.

 

[Russell Brown]

There's a thread about this on the Farrier discussion forum. https://fct.groups.io/g/main/topic/...673587396731574883&nextid=1673019929318369745

 

[Ravenswing]

There's a thread about this on the Farrier discussion forum. https://fct.groups.io/g/main/topic/partially_folded_970_31/96186525?p=,,,20,0,0,0::recentpostdate/sticky,,,20,2,0,96186525,previd=1673587396731574883,nextid=1673019929318369745&previd=1673587396731574883&nextid=1673019929318369745

Yeah that’s deminimi’s thread over there. Think he’s just casting a wider net here.

 

[deminimis]

Correctomundo.

 

[eric1207]

I've never looked at it closely but it doesn't seem the pin position used makes much difference in the boat's beam. Does it?

In any case I puckered up pretty good early in my Corsair career when I made a sharpish, fastish turn under power without thinking, while folded and mast up . Yikes! It didn't list as I recall nor capsize, thankfully, but I immediately thought what an idiot. I don't think I will ever again do that, mast up or down.

I believe there are tales of capsizes happening while folded.

I would be very careful maneuvering while folded and mast up. Mast down on its trailering posts I'd still be careful.

 

[SolGato]

Some F/C models are less stable folded than others.

The sailing manual covers the topic of folding, slipping, and stability.

https://static1.squarespace.com/static/553d4e19e4b0e21d56a49470/t/58aa47141e5b6ce697e55936/1487554343122/Corsair_Sailing_Manual_2014_V2.pdf

I did most of my folded motoring in rolling swell as our mooring season wrapped and was never concerned about stability, but Farriers early designs were overbuilt and light duty rigged, and designed with a lot of safety in mind.

I see that Rapido is offering an optional canting type folding system in addition to the Farrier type that allows the floats to remain perpendicular to the water when folded which is pretty slick.

 

[deminimis]

I've been on my preferred marina's wait list for close to two years. Yesterday I leapfrogged over two ahead of me as they did not pull the trigger (I assume they don't have boats yet, but who knows). Shared slip with my name on it is actually 32' wide, not 30'. Thus, I'll be able to leave the dockside ama unfolded with room for fenders. Problem solved!!

 

[deminimis]

...and main sail delivered to the Noth loft for a repair and the dodger ("Artful") needed some attention from a canvas shop as well. With the outboard repower, need to replace some electronics, 6mo overlapping marina leases, etc., etc., etc., I sure could have used those Megabucks winnings. Kind of wish I kept my evening "Boat Bucks" gig.

 

[deminimis]

Marina neurosis going on right here. I went down to the marina with my tape in hand. The offered slip was only 30' wide and the slipmate was using every inch of his allotted space (I got some bad info). I took a pass as I've decided I need to have a slip where I can leave the dockside ama open due the extreme winds we get. That was Monday. The upside was I remained in the top position for a slip (I've been on the list for nearly two years). I just got word a person can not accept one of the truly wide slips he accepted on Jan 1. It is not on my preferred slip side in either direction (north vs. south (preferred) slip position, west, vs east (preferred) slip location. The prevailing big winds (and they are big) are from the W/NW. However, it's a wide slip and the slipmate (at least from G. Earth in '21) looks to be an inflatable sided relatively narrow fishing boat. So I'll head back down tomorrow and check it all out, but I think I'd better accept it (and get on a list to move to the other side when something opens up). Left side, third slip from the top (fifth mooring position from the top, not including the end spots). Prevailing wind direction generally comes in from 10-11 o'clock

Now for those that actually do the only one folded Corsair ama dealio. My thinking is having the leeward ama open is probably the most stable. In this case, I'll have the windward ama open. However, the energy needed to lift that unfolded ama all the way over in some sort of hyper extreme wind capsize event seems like a non-issue. Plus, I always run spring lines from the large, well backed, pad eyes on the dockside ama. Given our topography, a direct wind broadside is pretty much impossible. I do not see anything to worry about here, but if you have info to suggest otherwise, I'm all ears. Mast will remain up. Thanks!!

 

[Russell Brown]

The dock lines have kept my G-32 upright on a couple of occasions.

 

[MultiThom]

Now for those that actually do the only one folded Corsair ama dealio. My thinking is having the leeward ama open is probably the most stable. In this case, I'll have the windward ama open. However, the energy needed to lift that unfolded ama all the way over in some sort of hyper extreme wind capsize event seems like a non-issue. Plus, I always run spring lines from the large, well backed, pad eyes on the dockside ama. Given our topography, a direct wind broadside is pretty much impossible. I do not see anything to worry about here, but if you have info to suggest otherwise, I'm all ears. Mast will remain up. Thanks!!

The boat will be stable enough that way. Just make sure the mast is stabilized from the short side.

 

[Zonker]

The dock lines have kept my G-32 upright on a couple of occasions.

Do you leave the ballast tanks empty to prevent growth? (Or fill them if a big storm is forecast??)

 

[SPatton]

Marina neurosis going on right here. I went down to the marina with my tape in hand. The offered slip was only 30' wide and the slipmate was using every inch of his allotted space (I got some bad info). I took a pass as I've decided I need to have a slip where I can leave the dockside ama open due the extreme winds we get. That was Monday. The upside was I remained in the top position for a slip (I've been on the list for nearly two years). I just got word a person can not accept one of the truly wide slips he accepted on Jan 1. It is not on my preferred slip side in either direction (north vs. south (preferred) slip position, west, vs east (preferred) slip location. The prevailing big winds (and they are big) are from the W/NW. However, it's a wide slip and the slipmate (at least from G. Earth in '21) looks to be an inflatable sided relatively narrow fishing boat. So I'll head back down tomorrow and check it all out, but I think I'd better accept it (and get on a list to move to the other side when something opens up). Left side, third slip from the top (fifth mooring position from the top, not including the end spots). Prevailing wind direction generally comes in from 10-11 o'clock

Now for those that actually do the only one folded Corsair ama dealio. My thinking is having the leeward ama open is probably the most stable. In this case, I'll have the windward ama open. However, the energy needed to lift that unfolded ama all the way over in some sort of hyper extreme wind capsize event seems like a non-issue. Plus, I always run spring lines from the large, well backed, pad eyes on the dockside ama. Given our topography, a direct wind broadside is pretty much impossible. I do not see anything to worry about here, but if you have info to suggest otherwise, I'm all ears. Mast will remain up. Thanks!!

View attachment 570126

Here's an idea--you could tie a halyard to the finger on your boat's port side.

Seems like it would add a lot of stability.

 

[deminimis]

Yea thanks. I've read of people doing that and if I recall, even I.F. may have suggested that at one time. Sure seems like nasty, jarring, forces would be at play. I think that will be a last resort for me, but thank you. Instead, I'll run my haylards down to the lifting eyes to help keep the mast a bit more secure if required (especially if I pull in instead of back in).

 

[SailingTips.Ca]

I think there are plenty of ways to secure the boat to the dock to prevent it from flipping without using the mast, as I'd be concerned about all kinds of wear and tear with that.

 

[MultiThom]

(especially if I pull in instead of back in).

Playing this through in my head...If the slip companion is gone for the day, will you just drive in? If slip companion is there are you going to fold completely, drive in, then extend or ??? BTW, have you considered attaching docklines to the main hull instead of the folded float?