Re: [Amel Yacht Owners] New sails
Bill Kinney <greatketch@...>
Alan,
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You really get a SM to tack through 90 degrees measured by COG? Wow! Who’s your sailmaker? That’s a COG tacking angle I’d expect from a J-105! What apparent wind angle do you have to pull to get that, and how do you do it? In normal sea conditions, I expect to hold 35º to 37º to the apparent wind, which gives us about a 50º+/- angle to the true wind, but we haven’t counted for leeway yet, so I normally think I am doing well with 102º to 105º change in COG on a tack. If I get to 110º in small seas I know I am getting sloppy on my sail trim. My autopilot tweaks the course while beating to optimize VMG, and it always settles down very close to those numbers--if the seas aren’t too rough. In perfect conditions (10-12 knots true, flat water) I can pinch a little more out before the keel stalls and I start going sideways. I’ll expect to get a little better with new sails, but nothing like what you see. Bill Kinney SM #160, Harmonie On the Hard, Fort Lauderdale, FL “Ships and men rot in port."
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Re: Santorin with D2-55 Engine - Range
Herbert Lackner
Perkins Prima M50 (Volvo MD22) fuel consumption on KALI MERA varies from 1,8 l/ hour with 1500 rpm (motor-sailing) and goes up to 4l/hour with 2300 rpm. As we are not in a hurry with no wind we cruise with 5kn and ~ 1800 rpm and use about 2,2 l / hour. If the prop is really dirty than add about o,5 - 1 l / hour
herbert SN120 KALI MERA, Trinidad, 11 more days on the hard
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Re: [Amel Yacht Owners] New sails
Hi James,
There are lots of messages in here about inner forestays...and pictures. Ours was factory installed and is a furler on a permanent stay at the top spreader with dyneema running back stays. The furler is anchored fwd of the windlass to a 13mm SS plate under the deck that runs under the deck from the windlass to the bow fitting. I'll try post some track pics from Maxsea that show the 90 degree tacks ! Cheers' Alan Elyse SM437
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Re: [Amel Yacht Owners] New sails
James Alton
Bill, I am unfortunately not on my boat, however as I recall, on the bottom of my swivel are two eyes that line up with the two grooves in the furler. These two eyes are the attachment points for the heads of my headsails. One of will be used in the normal way with the head of my 150 lashed or shackled to it. The remaining free eye which the head of the ballooner would normally be attached to if hoisted with the 150 is where I plan to hang the top block. This should place the lift point directly above the slot in the foil for the ballooner. James
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Re: [Amel Yacht Owners] New sails
Bill Kinney <greatketch@...>
If the block is attached to the bottom of the swivel, it turns with the foil, and the job. The top of the swivel does not turn. That's what makes it a swivel...
On Nov 18, 2016, at 16:16, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <amelyachtowners@...> wrote:
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Re: [Amel Yacht Owners] New sails
Bill Kinney <greatketch@...>
Or maybe attach it to the shackle that holds the jib up to the swivel, avoiding the wrap problem?
On Nov 18, 2016, at 15:46, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <amelyachtowners@...> wrote:
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Re: [Amel Yacht Owners] New sails
Bill & Judy Rouse <yahoogroups@...>
James, You will be attaching a block to the swivel. It does not turn when the foil and sail is furled. Therefore, you will have that halyard wrap around the foil. Do you get it? Bill Rouse
On Nov 18, 2016 5:10 PM, "James Alton lokiyawl2@... [amelyachtowners]" <amelyachtowners@...> wrote:
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Re: [Amel Yacht Owners] New sails
James Alton
Bill,
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My plan is to attach a small block at the location that the head of the second sail would be normally attached to and the second small block at the location where the tack of that sail is normally secured. The continuous halyard will be looped through those two blocks. Unless I am missing something, both of those attachment points rotate with the foil, otherwise the sail itself would be wrapped. When the sails are rolled, the halyard will be buried under the sail. I believe that the Ballooner that I have is a fair amount shorter than the hoist available so I should have room for the blocks and for tensioning. If for some reason this solution does not work out, I want to look into the cost of upgrading the furling system with a new foil and add the locking device. I am cutting the trailing tails off of my posts but leaving the one immediately preceding to help with context. If that is a problem, someone let me know. James Alton SV Sueno, Maramu #220 Arbatax, Italy
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Re: [Amel Yacht Owners] New sails
Danny and Yvonne SIMMS
Hi Bill Perhaps because as a manufacturer he was able to fit a three track headsail foil, not work a system around two tracks. Danny
From: "'Bill & Judy Rouse' yahoogroups@... [amelyachtowners]" To: "amelyachtowners@..." Sent: Saturday, 19 November 2016 9:11 AM Subject: Re: [Amel Yacht Owners] New sails I have one question. I wonder why Henri Amel did NOT do it that way? Bill ROUSE BeBe On Fri, Nov 18, 2016 at 3:17 PM, James Alton lokiyawl2@... [amelyachtowners] <amelyachtowners@...> wrote:
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Re: [Amel Yacht Owners] New sails
Bill & Judy Rouse <yahoogroups@...>
If I understand you correctly, to hoist the second sail, you will have a block somehow attached to the swivel with a continuous loop halyard that you will somehow tie off in the top of the furler. That block is going to remain stationary while the foil and the sail turn while furling and unfurling. If I understand you correctly, I see wrapping of that halyard around the foil and between the block and the top of the sail and probably halyard failure. Maybe you could attach the block to the foil somehow, but I see big problems there. Maybe I don't understand you. Bill Rouse
On Nov 18, 2016 4:29 PM, "James Alton lokiyawl2@... [amelyachtowners]" <amelyachtowners@...> wrote:
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Re: [Amel Yacht Owners] New sails
James Alton
Bill,
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Well I can think of only two possible options: 1. He didn’t think of it. 2. He did think of it and decided it was bad idea, in which case I may have some details on why after doing some testing.. I think that it will work and so far cannot think of a good reason not to give it a try. If you forsee a problem with this idea, let me know. James Alton SV Sueno, Maramu #220 Arbatax, Italy
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Re: [Amel Yacht Owners] New sails
Bill & Judy Rouse <yahoogroups@...>
I have one question. I wonder why Henri Amel did NOT do it that way? Bill ROUSE BeBe
On Fri, Nov 18, 2016 at 3:17 PM, James Alton lokiyawl2@... [amelyachtowners] <amelyachtowners@...> wrote:
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Re: [Amel Yacht Owners] New sails
James Alton
Bill,
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Thanks, I hope that it does work! I will update the group once I have used it for a while to find out. Best, James Alton SV Sueno, Maramu #220 Arbatax, Italy
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Re: [Amel Yacht Owners] Re: Santorin with D2-55 Engine - Range
Of course,Joel. That reminds me of two other rules I've learned: The 50-90 rule: if there are two ways of doing something and you're not sure which is right, you have a 50% chance of getting it right the first time...and a 90% chance of getting it wrong. It is amazingly accurate for me. The boat list rule: if you have 10 things to do, and you do 7 of them, there are only 8 on the list. Kent Kristy SM243
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Re: [Amel Yacht Owners] Re: Santorin with D2-55 Engine - Range
amelforme
Kent, the only reason you have not used the fuel in your Jerry Jugs is because you had it ready. If it wasn't aboard, Murphy's Third Corollary would dictate that you would absolutely require additional fuel to complete the voyage... Joel F. Potter THE EXPERIENCED AMEL GUY 954-812-2485
On Nov 18, 2016, at 10:35 AM, Kent Robertson karkauai@... [amelyachtowners] <amelyachtowners@...> wrote:
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Re: [Amel Yacht Owners] New sails
Bill Kinney <greatketch@...>
James,
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For what it’s worth, I really like your idea about the looped halyard. Simple and elegant. Wish I had thought of it :) Maybe you can market it to all those “other boats” who have twin track foils! :-) I don’t think we have seen ANYTHING in the basic design of our boat that we would change. Almost all of the minor tweaks in execution we have made, or contemplate, are things that Amel had already changed by the time they got to building the 54. Bill Kinney SM #160, Harmonie On the Hard, Fort Lauderdale, FL “Ships and men rot in port."
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Re: [Amel Yacht Owners] Re: Santorin with D2-55 Engine - Range
Hi Ric. Yes, and thank you for that. I carried the jerry cans on deck the first few passages South and back North between the Chesapeake and the Caribbean, but never needed a drop of fuel from them. Finally gave them to a boat going transAtlantic. If I ever do an ocean crossing, I might add another tank, just not sure where. Kristy lists a little to port already, and is a little stern heavy, so the port deck locker and aft lazarette don't seem ideal. It may be most sensible to carry cans on deck on the starbord side, since I wouldn't need or want extra fuel once I crossed. I also average a little under 3L/hr when motoring. I usually motor at ~2000rpm and motor sail at rpm enough to average 4+kts. Kent Kristy SM 243 with 110HPYanmar 4JH4HTE
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Re: [Amel Yacht Owners] Re: Santorin with D2-55 Engine - Range
Ric Gottschalk <ric@...>
Ian is right, but I tend to motor at 2000 to 2200 rpm. I often motor sail for my 4 knot rule at lower RPM. I keep a fuel log as well. Bottom line is that 1 US gallon/hr is my safety number and voyage average is .75 gal or 2.75 liters/hour. I have installed 2- 35 gallon tanks in the aft lazzarette with a fuel transfer pump in the engine room that refills the main tank instead of jerry cans on deck or spilling fuel. Yes it is heavy at first, but I don’t have to handle, drag around or buy jerry cans. Kent got some of them. Ric Bali Hai SN24 Annapolis
From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Friday, November 18, 2016 8:02 AM To: amelyachtowners@... Subject: [Amel Yacht Owners] Re: Santorin with D2-55 Engine - Range
Trevor I haven’t done a detailed analysis of fuel consumption. We have the Perkins Prima 50 on our Santorin. I believe we get around 2.75 litres and hour, but our engine use varies greatly from running at 1500 revs for the the belt driven watermaker pump, to motor sailing at 1800 revs, or punching a head sea and wind at 2,200 revs. We try to avoid the last one! I have worked on a range of 700 nm on a passage, and it seems to hold true. Because of the shaft alternator we find all our electrical demands are met when sailing above 5 knots. We filled up in Cape Verde before crossing the Atlantic and lasted the next 4 months before refuelling before lift out, we didn’t need to run the engine for battery recharging on the whole crossing. Because the Santorin lacks power hungry stuff like washing machines, freezer and air con the demands on the batteries are lower than the SM (hence no gen set as standard on the SN). Maybe other Santorin owners can chip in, but we use more fuel in Island hopping than on an ocean passage. We carried 100 litres of spare diesel which wasn’t required (but was reassuring).
Ian
Ocean Hobo SN96
Sent from Mail for Windows 10
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Re: Santorin with D2-55 Engine - Range
Ian Park
Trevor I haven’t done a detailed analysis of fuel consumption. We have the Perkins Prima 50 on our Santorin. I believe we get around 2.75 litres and hour, but our engine use varies greatly from running at 1500 revs for the the belt driven watermaker pump, to motor sailing at 1800 revs, or punching a head sea and wind at 2,200 revs. We try to avoid the last one! I have worked on a range of 700 nm on a passage, and it seems to hold true. Because of the shaft alternator we find all our electrical demands are met when sailing above 5 knots. We filled up in Cape Verde before crossing the Atlantic and lasted the next 4 months before refuelling before lift out, we didn’t need to run the engine for battery recharging on the whole crossing. Because the Santorin lacks power hungry stuff like washing machines, freezer and air con the demands on the batteries are lower than the SM (hence no gen set as standard on the SN). Maybe other Santorin owners can chip in, but we use more fuel in Island hopping than on an ocean passage. We carried 100 litres of spare diesel which wasn’t required (but was reassuring).
Ian
Ocean Hobo SN96
Sent from Mail for Windows 10
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Re: [Amel Yacht Owners] New sails
James Alton
Ian,
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After I sent my last response to you I realized that I had made a mistake. You did say sitting with your feet in the bow locker and I said standing… The sitting position sounds like a good way to brace and I should be about the right height as well..I will give it a try. There is an eye at the tack fitting on Sueno with a lot of room to put several wraps of perhaps 1/8” line to secure the sail, so it would be quite easy to tension the luff of the sail in that manner. That is a good idea to leave the tack loose initially and should make the tensioning easier. I can’t imagine that the sail weights even 10 lbs. but there is some drag due to the wind load when hoisting. I am glad to hear that you think that this might work, I don’t loose much if it doesn’t. Best, James Alton SV Sueno, Maramu #220 Arbatax, Italy
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