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oldengineer1949
1st Mate

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USA
75 Posts

Initially Posted - 08/14/2017 : 09:18:43

I am so ... clueless (clewless, get it ...never mind ...)

Went sailing (bobbing around, with the wind dying) yesterday afternoon. Crew (Admiral and First Mate) was outstanding, making sail changes from standard jib to asym spin, to fully squared away, all sails struck as we motored home. I am so proud of them! However, due to my astute powers of engineering observation (if it ain't broke, it don't have enough features), the jib we flew looked kinda' spindly, i.e., too short for a genny. Low and behold, the jib doesn't even reach to the masthead, and from what I have gleaned from this awesome body of Old Salts, Pualani Nui was designed from the git go to be a masthead rig. Hmm, shucks and other salty comments. See below:

If y'all agree, it looks like I need to go shopping for a properly dimensioned 150% Genny for Pu ("Oh, Skipper, yes please! I have been limping along on these old rags for way too long!")

(Ole rolls eyes, turns to Forum members) Sheesh! Just like a woman! Next she'll be asking me if her main makes her look fat!

Regards to all,

Al and Bernadette, "Pualani Nui", '82 C25 SR/SK, homeport MCB Quantico

dasreboot
Admiral

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803 Posts

Response Posted - 08/14/2017 : 09:33:24

my tall rig foresail does not go all the way up either. But dont let that stop you if you were looking for an excuse for a new sail!

btw, i was thinking i should have gone out to see if you were out yesterday, but it was kind of light. we still have to hook up for a photo shoot.

Todd Lewis
Eowyn 87 TR/WK C25 #5656
ARWEN 84 TR/SK C25 #4031
www.mainsailsailingschool.com

Steve Milby
Past Commodore

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USA
5851 Posts

Response Posted - 08/14/2017 : 09:58:11

My tall rig 155 went to the top, but IIRC, my 110% jib extended about as high as yours. It's hard to be sure from the photo, but your jib looks like it's about a 110%.

Steve Milby J/24 "Captiva Wind"
previously C&C 35, Cal 25, C25 TR/FK, C22
Past Commodore

oldengineer1949
1st Mate

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USA
75 Posts

Response Posted - 08/14/2017 : 10:32:44

@ Todd: for sure, we need to meet up. Maybe we can even even entice Larry to come on down. Also, I need to meet and greet at least two other Cat 25 owners who are at my marina.

@Steve: I agree, Pu most likely has a 110. It is interesting, on the Saildata web page for a Cat 25 (http://sailboatdata.com/viewrecord.asp?class_id=407), the picture shows a 110, but the schematic depicts a 150 Genny. But, the I (29.0') and J (10.5') dimensions given for the foresail must be for a 110. I am confused (again)
Is the optimal foresail for the Masthead designed Cat 25 a 150 Genny?

Y'all thoughts?

Regards,

Al and Bernadette, "Pualani Nui", '82 C25 SR/SK, homeport MCB Quantico

Steve Milby
Past Commodore

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5851 Posts

Response Posted - 08/14/2017 : 11:01:36

Sails are optimal within certain wind ranges. A 150 is optimal in lighter winds, up to about 12-14 kts. Above those wind speeds, a 150 starts to overpower the boat and become a detriment. A 130% is optimal within a little higher wind speed range. Generally, smaller sails are optimal in higher wind speed ranges.

For most people who sail a C25 in local waters, a 150 and a 110 will adequately cover the wind speed ranges in which they are realistically likely to sail. If the wind is so strong that a 110 and reefed mainsail overpower the boat (about 22-30 kts), most C25 sailors are likely to stay in their slip. Sailing in winds greater than 25 kts can be very demanding, especially on a big bay or a Great Lake, where the waves can become big and steep.

Steve Milby J/24 "Captiva Wind"
previously C&C 35, Cal 25, C25 TR/FK, C22
Past Commodore

Lee Panza
Captain

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USA
465 Posts

Response Posted - 08/14/2017 : 21:58:29

Al, the sail you have actually presents you an opportunity to experience something you might never have otherwise been able to try.

When I had my custom jib made I deliberately had it cut "short" so that the foot clears the lifelines when it's fully hoisted, and I can see under it. Part of my reason was that it's safer on a crowded waterway having less-obstructed visibility off the leeward bow. But the greater reason is that I enjoy the view around and ahead of me when I'm sailing, and I always resented the "deck-sweeper" genny I had before. Granted, raising the headsail generates more heel for the same sail area, and it would certainly be a disadvantage in a race, but for day sailing and for cruising it makes a lot more sense (to me, at least) than a full-height headsail. I'd suggest you try inserting a pennant between the tack and the stem fitting so you can hoist the sail higher (from the photo it looks like the sail is a hank-on, which makes it less risky than if it was on a furler, but you'd also need to improvise a hank between the tack and the forestay). You may ultimately decide to go with a full-height headsail anyway, but it's worth a try to see if you like it or not.

The trouble with a destination - any destination, really - is that it interrupts The Journey.

Lee Panza
SR/SK #2134
San Francisco Bay
(Brisbane, CA)

Edited by - Lee Panza on 08/14/2017 22:10:34

oldengineer1949
1st Mate

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USA
75 Posts

Response Posted - 08/15/2017 : 13:27:21

Lee,

cool idea! I will try that. I already have a pennant for Pu's asym, and I like how it prevents the sail from fouling on the bow pulpit. Besides, I get another excuse with the Admiral to go to the marina and putter around with Pualani. I'll post results in a few days.

Regards,

Al and Bernadette, "Pualani Nui", '82 C25 SR/SK, homeport MCB Quantico

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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.