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Old 09-08-2015, 09:21 PM   #21
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Doubt it, but a flat sail would be easier/cheaper to make.
Doesn't work that way, a sail for say a 40' may cost $500-1,000.

Used less $$.
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Old 09-08-2015, 09:30 PM   #22
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Greetings,
Had a stay sail on a previous boat (34' Marine Trader). Flew it a couple of times and it only seemed to work in a rear quartering breeze stiff enough to put a slight heel on the boat. About 24 sq feet if I recall. I tried the "right of way" ploy with my boating friends on several occasions whilst "sailing" but they OBVIOUSLY were unaware of COLREGS and replied with no end of insults and ribald comments....Boors!
The Admiral said the boom got in her way so it was used very infrequently.
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Old 09-08-2015, 09:34 PM   #23
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Maneuvering without changing the jib sheet

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Old 09-08-2015, 09:34 PM   #24
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Greetings,
Had a stay sail on a previous boat (34' Marine Trader). Flew it a couple of times and it only seemed to work in a rear quartering breeze stiff enough to put a slight heel on the boat. About 24 sq feet if I recall.
Perhaps you didn't know the correct way to trim the sail.
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Old 09-08-2015, 09:39 PM   #25
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The jib sheet can be let lose as you make your turn, then trim in.

But I also see your main is really set bad, the clew needs to be tightened up and flatten that main up a lot.

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Maneuvering without changing the jib sheet

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Old 09-08-2015, 09:40 PM   #26
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Greetings,
Had a stay sail on a previous boat (34' Marine Trader). Flew it a couple of times and it only seemed to work in a rear quartering breeze stiff enough to put a slight heel on the boat. About 24 sq feet if I recall. ...
Twenty-four feet square? That's pathetic.
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Old 09-08-2015, 09:47 PM   #27
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The jib sheet can be let lose as you make your turn, then trim in.

But I also see your main is really set bad, the clew needs to be tightened up and flatten that main up a lot.
Was making a 360-degree maneuver to give FlyWright photo shots. The jib has only one sheet (controlling the clew). To change from on side to another (tack), the sail needs to be rolled up and the sheet moved to the opposite side of the boat.
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Old 09-08-2015, 09:53 PM   #28
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Doubt it, but a flat sail would be easier/cheaper to make.

Then again maybe it's a riding sail that is cut flat. Of course if you want to make your steadying sail dual purpose you'd want to have it cut flat I guess.
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Old 09-08-2015, 09:56 PM   #29
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Here is a link to a short video of Panope making good Westward progress in the Strait of Juan de Fuca en-route to Barkley sound https://youtu.be/WFnZx1ehStI . The sail being used (reefed main) is about 350 sq. feet. Boat displaces about 7 tons. Virtually all roll was eliminated and perhaps 1/2 knot of speed gained. Maybe more than a 1/2 knot as the boat will typically slow substantially when bashing into head seas under engine alone. With the sail up and normal cruise power set, the boat seemed immune to the slowing effect of the waves.


This ship arrived in Ucluelet (West Coast of Vancouver Is.), dropped anchor and never touched the sail. Sail looked like it had been used alot.

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Old 09-08-2015, 10:50 PM   #30
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Greetings,
Messrs. J and mp. The OP asked the question of whether a stabilizing sail would help in beam seas. I am stating MY experience with the equipment that came with the boat under conditions I experienced. I don't know or care how to "trim a sail" and wouldn't have dreamed of replacing that "pathetic" sail with anything larger. It was more trouble than it seemed to be worth, the Admiral didn't like it BUT the bonus was....It was a fabulous joke attempting to "intimidate" my boating friends while emulating the sailing snots that frequented our cruising waters. Yes snots! Right of way...right of way...
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Old 09-08-2015, 11:45 PM   #31
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That boat/ship [post 29] with the sail looks a LOT like a vessel that was shore tied in various places around Howe Sound for a bunch of years. The owner I was told , was marking time untill he could finish it. When I saw it , it was pretty rough. Looks like he or someone did finish it.

Tis a North Sea type trawler. Good looking boat. This looks like the same vessel, other than colours, but I cannot say for sure. Glad to see it being used.
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Old 09-09-2015, 12:12 AM   #32
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MY experience with the equipment that came with the boat under conditions I experienced. I don't know or care how to "trim a sail" and wouldn't have dreamed of replacing that "pathetic" sail with anything larger.
Therefore, like I guessed you didn't know (or care) how to trim it,
so your uneducated experience is of little import.
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Old 09-09-2015, 12:47 AM   #33
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Therefore, like I guessed you didn't know (or care) how to trim it,
so your uneducated experience is of little import.
That`s not very nice.
With the Coot pics, the boom seems to just provide an outhaul for the clew. Do any of the sail setups on trawlers use a track on the boom? Or the mast?
My IG has no sail facility at all.
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Old 09-09-2015, 01:02 AM   #34
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Tracks on a boom are a thing of the past, they use a block & tackle usually inside the boom to adjust the clew, from flat to perhaps 8-10" of curve.
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Old 09-09-2015, 01:28 AM   #35
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Originally Posted by RT Firefly View Post
Greetings,
Had a stay sail on a previous boat (34' Marine Trader). Flew it a couple of times and it only seemed to work in a rear quartering breeze stiff enough to put a slight heel on the boat. About 24 sq feet if I recall. I tried the "right of way" ploy with my boating friends on several occasions whilst "sailing" but they OBVIOUSLY were unaware of COLREGS and replied with no end of insults and ribald comments....Boors!
The Admiral said the boom got in her way so it was used very infrequently.
Twenty four square feet is only 6ft x 4ft. Sail being (say) 8ft high on a 6ft boom. Did you mean 24ft square?
In NZ waters a sailboat with engine running (sails up or not) is considered a power boat, so no right of way.
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Old 09-09-2015, 07:46 AM   #36
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Therefore, like I guessed you didn't know (or care) how to trim it,
so your uneducated experience is of little import.

And your snotty responses are also "of little import" here on this forum IMO.

Treat people how you want to be treated. We are like a little family here, so BE NICE.
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Old 09-09-2015, 07:51 AM   #37
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Greetings,
Mr. G. Yup, 8' high by 6' along the boom is about the size as I remember. So a square that size is 48 sq' (L X W). The triangular sail area would be about half that would it not? I fully appreciate the dinky size but given the size of the mast and boom, it's the largest that would fit in the space AND it came with the boat. I suppose I could have extended my mast and boom to a ludicrous,unsafe size and used a humongous sail and gained, what?, another knot or 2, the ability to motor along at a very uncomfortable angle to the point of capsize but I purchased a power boat. NOT a motor sailer or sail boat. Horses for courses.
Those vessels that have the mechanism/equipment/design to hoist a larger sail and how large, I have no idea, would most probably achieve some modicum of stabilization and minimization of hunting at anchor as evidenced by the anecdotal posts above.
As I mentioned in post #22 I did experience some effect but for me, as stated, it wasn't worth the effort other than the "giggle" factor.
As far as trimming? To what purpose with a 24sq.' sail? "...uneducated experience is of little import..." For sure. Ignorance is bliss.
The area we used to boat in had the same stipulation that a sailboat under engine power was also considered a motor boat regardless of how much sail it had up and I'm positive none of the former sailors here on TF ever abused ANY right-of-way laws but they most assuredly weren't part of the sailing fraternity I used to encounter.
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Old 09-09-2015, 09:35 AM   #38
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A steady sail will do little or nothing about wakes. Unless perhaps the wind is blowing strong and the boat is already pinned over very hard to one side.
What about the roll? Would a steadying sail not slow the roll? Sister boats seem to think so, although I have yet to verify this.

We displace 10 tons and have 3000# of ballast in our keel. Although the sail would be small, it would seem that is would add some air resistance (and slow the roll) even without a wind
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Old 09-09-2015, 10:07 AM   #39
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What about the roll? Would a steadying sail not slow the roll? Sister boats seem to think so, although I have yet to verify this.

We displace 10 tons and have 3000# of ballast in our keel. Although the sail would be small, it would seem that is would add some air resistance (and slow the roll) even without a wind
I think you may have missed the first page of replies.

Without wind, a stabilizing sail has minimal effect. It needs a substantial force (wind force X sail area) pushing against the boat's righting motion.
Enough that the force of the waves rolling under the boat becomes insignificant in comparison.
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Old 09-09-2015, 10:51 AM   #40
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We owned a Willard 30/4 or Mk 4 for a few years. It had a deep draft for a Willard of 4'11" and 18" of cast iron keel bolted on. Our first trip was from Seattle to Desolation Sound and we crossed the Strait of Georgia twice from Nanaimo to Madeira Park and back. Both times using the steadying sail and both times with the typical winds on the beam after 10 AM. We did not have to tack like All the other boats we saw to quarter into the wind waves. The highest waves were in the 3-5' range so it wasn't as rough as it can get out there but the sail almost completely negated the beam seas. We drove from the flybridge the entire time and rocked like a hobby horse for the crossings.
Do they work? In this case I have to say yes on this boat it worked great. We continued to use it as long as we owned it and the current owner uses it too.
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