How To Clean The Stack Pack Canvas
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 14-09-2019, 13:41 | #xvi |
| Registered User Bring together Date: Sep 2022 Location: On our gunkhole Gunkhole: Robinhood -- 36 Posts: 21 | Re: Stack Pack and canvass functioning We have a Mack Pack, and we roll it up and tie it to the side of the nail when going offshore, it works not bad and doesn�t encumber the principal. It was supplied with ties attached for tying when rolled. |
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| fourteen-09-2019, 18:48 | #17 |
| Registered User Join Appointment: January 2022 Location: Waukegan - Lake Michigan Boat: 1979 Islander 36 Posts: 91 | Re: Stack Pack and sail performance The Doyle Cradle Cover (looks like a stack pack) does non adhere to the main. Information technology does non interfere with setting the main or loosening the human foot. Information technology might bear upon aerodynamics slightly. With the lazy jacks slacked, much of the lower main is exposed. And so far, I have been racing with them in place on long altitude solo races. |
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| xiv-09-2019, 21:32 | #eighteen |
| Registered User Join Date: Sep 2007 Location: Queensland, Australia Boat: None at present--betwixt vessels. Ex Piver Loadstar 12.five metres Posts: i,441 | Re: Stack Pack and sail performance Annihilation impeding airflow over your sails will degrade performance. One has to balance a comparatively small loss in performance against a great deal of convenience and safety in that sometimes speed is essential in getting a canvas down--as in a MOB situation. With a stack pack and lazy jacks ane just looses the halyard and down it all comes. Although you did non ask, head sail furlers with sail wound on to them are also far less efficient. Sometimes a smaller sail fully extended is more efficient than a large sail, or worse, a large sail partly furled. I had a 2d Genoa of 110%. I e'er had it completely furled, where being smaller it stopped less air current, or had it completely extended. I liked that sail a great bargain. |
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| fifteen-09-2019, 05:17 | #19 |
| Registered User Join Appointment: April 2022 Location: Espana Boat: 1983 Shannon 28 Posts: 471 | Re: Stack Pack and sail functioning Interesting give-and-take, A related question to those of you lot who accept had to switch to a loose footed arrangement on your mainsail considering the stack pack type installation had to use the center grove in your boom to which your mainsail foot was previously fastened for it'southward total length. Did you discover any alter in the shape or performance of your loose-footed mainsail afterward, specially when hard on the wind, compared to when the mainsail pes was attached to the nail for it total length? Did the bottom of the main bag out more and did you feel more atmospheric condition captain? |
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| xvi-09-2019, 17:19 | #20 |
| Senior Cruiser   Bring together Date: Aug 2022 Location: Hanging out in La Paz and the islands Boat: 1999 Pacific Seacraft 40 Posts: 648 | Re: Stack Pack and sail operation Nosotros take a stack pack from a local sailmaker that has worked well. One thing I notice is that if we leave the lazy jacks upward - it does get in the style of the sheet filling up completely and/or the lines rub against the sheet. It works much amend if we run the lines forwards onto the mast. I have not tried rolling up the stack pack - certainly something I volition try next time I am out. |
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| 16-09-2019, 18:00 | #21 |
| Marine Service Provider Join Date: Jan 2022 Boat: Beneteau 432, C&C Landfall 42, Roberts Offshore 38 Posts: 3,612 | Re: Stack Pack and canvass performance ...I have the stack pack on my gunkhole....I bought the boat with it on, so not sure if this is original equipment or not. ...I'm not a big fan of it, that is for sure....seems like a lot of piece of work for little return..more lines...more blocks....more than windage, etc... ..the canvass stack pack has long solid round fiberglass tubes inserted in the upper edge to keep the edge of the stack pack straight....that fiberglass doesn't like the sun...and peels off fiberglass strands all the time in those slots where the jacks are fastened, which become under your skin in short time...ane day it but pissed me off too much and I finally bought some pocket-sized slit diameter round pvc tubing that I could slide over the fiberglass tubes in the are of the jacks... ...finally, the lazy jacks are a hurting in the arse....hoisting the sail ensures that 99.99% of the time, a batten will grab in the jacks...simply the jacks agree the stack pack upwards...truthful, the jacks can be led forwards to the mast.....but see second concluding paragraph every bit this takes two people. ...in improver to the jacks, my main is also fitted with a double prepare of jiffy reefing line system...so there is a profusion of lines running up and downwardly the sheet.. ...all this in the name of convenience, which is another point of contention. ...does it affect performance...I would say yep, hard to quantify, every bit I would have to sheet the boat with...and without the stack pack..my first boat had none of this stuff and all sail handling was done standing next to the mast. By comparison, less is infinitely much meliorate. |
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| sixteen-09-2019, 19:01 | #22 |
| Registered User Join Date: April 2022 Location: Florida Boat: Seawind 1000xl Posts: 2,592 Images: fifteen | Re: Stack Pack and canvas performance Quote: Originally Posted by billdre Considering of a couple contempo posts I've just learned about stack packs. I have been thinking near replacing my worn nail cover and calculation lazy jacks. The stack pack looks like information technology would provide both. However, I'm concerned about how the pack affects the sail out on the water. Not but going to air current but I have a loose footed sail so I can slacken the outhaul and get a nice full sail in lite air. Will the stack pack significantly impact that ability? Would those of y'all who have a stack pack on your boat please pass on your experience. Thank you. As with a lot of questions asked the answer is 'it depends' to a bully deal on the boat and sail you lot are asking almost; along with some other factors. Not trying to dis y'all but a 1979 O'Day 28 is not breaking whatever speed records with any rig. Unless you had the worst stack pack in the globe with one inch hawser lines for lazy jacks I incertitude you lot could mensurate whatever change in speed or pointing ability. Beginning off the tiptop 3rd of the sail is responsible for virtually of the power the canvass generates; the wind speed is greater there for starters. If the top half of the sail is getting clean air yous should be adept. I doubtfulness the stack pack would affect even the top 7/8 of the sail. While I don't wanna sound like the guy in the Gulf Stream thread and come off as a jerk I was sailing on my cat with a stack pack and lazy jacks. Played with the traveler and sheets and got the speed up by .seven knots. I was with a friend who is a serious racer and he started trimming the sails and adjusting the traveler and got almost another half a knot. As embarrassing every bit that was for me truth exist told the most important thing in how well a boat sails is the nut backside the bicycle. My question for you is how much easier practise you think a stack pack and lazy jacks would make sailing for yous. As someone who is solo, or has inexperienced crew, a stack pack and lazy jacks are a no brainer for me. If you lot exercise a lot of form racing and need the extra .1 knots a totally make clean sail profile might go you (and that assumes you are already getting 100% of your boats capability) it might be worth it. Thing is I would bet you don't have a total crossbar foursquare top and it is probably fairly piece of cake to get your chief downwardly in any case. On the other hand I am fairly sure with the pin head rig you lot have there would not be a problem communicable a batten in the lazy jacks. Bottom line is I don't really run across any down side from a performance hitting, non a big take chances to foul a crossbar in the lazy jacks, and things would be a lot easier. Only question is what is the price point hit for stack pack and lazy jacks compared to a elementary sheet cover. |
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| 17-09-2019, 06:xiii | #23 |
| Registered User Bring together Date: Apr 2022 Location: Spain Gunkhole: 1983 Shannon 28 Posts: 471 | Re: Stack Pack and sail functioning Non a fan of stack-pack type of arrangements. Previous possessor had ane made and installed prior to selling the boat to me, and I hate information technology. Aesthetically, it is a monstrosity. When information technology rains, the water enters through the zipper on top and collects in the sail with no way to exit. And, my unsubstantiated gut feeling is that it decreases the functioning and life of the sheet since, with the stack-pack set-up, the pes tin can no longer be attached for its full length to the boom. |
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| 17-09-2019, 10:29 | #24 |
| Registered User Join Engagement: Apr 2022 Location: Florida Boat: Seawind 1000xl Posts: 2,592 Images: 15 | Re: Stack Pack and sail functioning Quote: Originally Posted by Greg G Not a fan of stack-pack blazon of arrangements. Previous owner had one made and installed prior to selling the boat to me, and I detest it. Aesthetically, information technology is a monstrosity. When it rains, the h2o enters through the zipper on height and collects in the sail with no way to leave. And, my unsubstantiated gut feeling is that it decreases the performance and life of the sail since, with the stack-pack set-up, the pes can no longer be attached for its full length to the boom. Can't argue with aesthetics since opinions vary. I was taught to flake sales then water would non accumulate; with or without a stack pack if the sheet is not flaked water can accumulate. The way my stack pack is ready is with ties around the bottom of the smash so water can bleed out. I still maintain that the upper portion of the canvas generates the most force and the bottom generates the least forcefulness so the affect of the stack pack is not much. As for the human foot not beingness attached for the full length of the boom that is what is chosen a loose footed sheet and I accept never seen anyone merits it shortened canvas life. |
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| 18-09-2019, 04:46 | #25 |
| Registered User Join Appointment: Apr 2022 Location: Spain Boat: 1983 Shannon 28 Posts: 471 | Re: Stack Pack and sail performance Bated from the performance consequence, it is interesting to notation how stack-pack blazon mainsail systems are actually used. Maybe information technology'southward different on the other side of the pond but, here in the Med, if you look around any anchorage in the summer, it is obvious that many owners of boats with stack pack set-ups, never bother to identify the forwards separate comprehend over the head of the sail and around the mast, so that role of the sail remains exposed to the sunday. Most, in fact, never even bother to zip up the stack-pack cover. The sail just sits at that place, exposed. Though perchance justifiable in certain anchorage situations where one may demand to heighten the principal in an emergency, this practice is also, to a lesser extent, seen in marinas. So, in general, what has been billed as an easier way to put the mainsail abroad, has devolved more often than not into not bothering to put the mainsail away at all, other than dropping it down to sit loosely betwixt stackpack walls. A vivid invention, I must say. Because man nature, I am not at all surprised of its ubiquitous utilize these days. |
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| xviii-09-2019, 09:05 | #26 |
| Registered User Join Date: Nov 2022 Location: Boston Boat: 1979 O'Twenty-four hour period 28 Posts: 140 | Re: Stack Pack and sail performance Thanks to anybody who shared their experience with dissimilar versions of a stack pack/lazy cradle/ etc. It helped me sympathize what to expect with this kind of main sail handling system. For me the power to ringlet up the bag and pull the lazy jacks to the mast is of import. Even though it appears leaving the system in place doesn't have a not bad consequence on sailing in normal conditions. Having the option to get all the extra stuff out of the way is skilful, particularly in light air situations when you want as full a sheet every bit possible. |
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| 23-09-2019, 11:nineteen | #27 |
| Registered User Join Engagement: Oct 2006 Posts: xiii | Re: Stack Pack and sail operation A lot of talking this word about lazy Jack's. I'm looking for a mid 40-ish boat and it worried about not having the musculus in an emergency. I was talking to the auction rep from Lee sails nearly the toll of having a conventional mainsail converted to a stack pack and full battens3. He said the all-time style to go was with a Dutchmen system rather than lazy Jack'southward. It didn't occur to me at fourth dimension they enquire how he's property up the stack pack Is anybody using a stack pack with a Dutchman system. Does anyone take any thoughts on the Dutchman. |
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| 23-09-2019, 11:54 | #28 |
| Registered User Join Date: Sep 2022 Posts: 12 | Re: Stack Pack and sail performance I made my own using instructions from Sailrite. It needs lots of thoughtful modifications to make it work well on a specific gunkhole. I went through two sets, I have a ketch. I ended upward lining the inside with old sails because the furled sails chafed thru the sunbrella fabric pretty quickly. Trouble solved. |
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| 24-09-2019, 09:05 | #29 |
| Registered User Bring together Engagement: Jan 2022 Posts: 112 | Re: Stack Pack and sail performance I thought .. someone was asking here to compare lazy jacks to a Dutchman organisation. Was directed dorsum here. Notwithstanding, I have never experienced a Dutchman on a boat but information technology looks great at the boat shows where a man hauls a sail upwardly and then lets it flake down. If current of air direction does not matter -- that'south a plus. What else ? Cost is likely more than than for jacks .. |
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| 24-09-2019, 10:45 | #30 |
| Registered User Join Appointment: May 2022 Location: Switzerland Gunkhole: Malo 39 Posts: 96 | Re: Stack Pack and sail functioning I�ve found a number of issues if the stack pack is not rolled upward and tied in identify Other thoughts? |
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