Lifting keel mechanism. [1] [3]The boat has a draft of 5.
Lifting keel mechanism Swing keels are a robust and useful alternative to centerboards, and they’re common on variable draft sailboats. This yacht originally had only the For our lifting swing keel, we laminate a substantial keel box as part of the hull to accept the keel and the hydraulic mechanism needed to retract the keel into the hull. See the new lifting keel on the brand new Nordship 430 DS Classic hi, i have a beneteau 311 oceanis with a lifting keel. Normally it slides down with the deepening bottom. The lifting mechanism is simply a braked trailer type winch that requires about twenty turns without too much strain for a human powered yachtsman. 57! Lifting mechanism? “Lifting keel” might mean the keel slides up and down in a trunk without pivoting, but I think some people take it to mean any mechanism that raises the keel, which would include swing keels. Come join the discussion about sailing, modifications, classifieds, troubleshooting, repairs, reviews, maintenance, and more! Hello, I am new to the forum and wanted to ask some advice from fellow Sun Odyssey lifting keel owners. The peculiarity of our lifting keel system is that the fin is allocated, when in lower posi-tion, on 4 pins that contribute to transfer the loads to the keel box. [1] [3]The boat has a draft of 5. A CNC machined jig of the structure is supplied for the cor - The expert design team at BENETEAU Sailboats has implemented a safe, stable, & convenient system to package the advantages of both deep and shallow draft kee Obviously – as with all lift-keel boats – it is important to regularly maintain the lifting mechanism. They allows to lower the keel in sailing position. To achieve superb sailing performances of the boat, designer constructed the keel wing very long and deep. Email this topic Watch this topic Print this topic. mrplastic Member. Safety: the canting system can operate in emergency with only one cylinder. Set of sensors ensure that canting of keel is allowed only when keel is fully down. com/chasinglatitudes?fan_landing=true for awesome perks and access I have recently rebuilt my lifting keel mechanism prior to selling my boat and the new owner asked if I could do him a drawing of the mechanism (The Home. Codger, Oct 2, 2005 #1. There big advantages of a lifting keel system: - you can access picturesque, but shallow, harbours and anchorages. cleat 5. 5', disp approx 6500 lbs) Lifting Keel mechanism. Alternatively, this lift keel version reaches down to 2. - if the harbor is filled with boats, you maybe find The keel mechanism is really easy to grease with water proof grease just lower the keel while dried out, the screw simply comes out into the cabin, apply grease and replace. With the boat tied up rigidly I could then wind in the ropes and jack up the keel until the winding rod reached the collar. 1. franck; Member Topic Starter; 2009-05-19T10:49:22Z #1 For purchasing I would check on engine cold starting and keel mechanism , both electric and manual modes. pivoting hinge 2. 5/2. Take the slack out of the rope mechanism so that it is just tight. there are plenty of lifting keel boats that do not allow lifting the keel while racing. London Boat Show Offer: £112,900. I liken the Parker mechanism to a kitchen knife that slides into one of those upright holder things whereas the Ben would be more like a pen knife. The bearing on my 211 failed. 60 m) with the lifting keel extended and 3. We can’t see anything as to what could be causing the problem. KEY I am wondering if there are any lifting keel / drop keel sailboats in the 24' to 35' range where the keel height can be adjusted while under sail. The boat is due to be antifouled so there will be access underneath. Do the work at your leasure then replace in the hole and reconnect from underneath. The mechanism is suitable for a wide range of sizes for telescopic keel systems, consisting of a fixed fin and a lifting bulb. Replies: 5 Views: 6,674. LIFTING KEEL 79 LIFTING KEEL 78 LIFTING KEEL Ever wondered about the pros and cons of a centreboard versus a vertical lifting keel? In this session of our design feasibility study with KM Yachtbuilders, we do a deep dive into keel options - how they operate, how each affects interior space and the importance of rudder depth. The adoption of a The 3 ways to do work on the mechanism are:-1, At lift out when you're in the slings. Ellis This describes what Bob Field (owns 1993 First 21. Therefore allows to fully enjoy your boat. Overall the boat looks in reasonable nick with good gear. It is also appreciated by sail men at the time of maneuvering. We damaged ours when we ran over a hidden Lifting Keels. Selecting the appropriate keel depends on your sailing style, environment, and personal preferences: This is the only one I have experience with that has a lifting keel where it's allowed to lift in the class rules. Safety: the canting system can THE KEEL SERVANT IS AN INNOVATIVE LIFTING SYSTEM FOR TELESCOPIC KEELS. 97m/9ft Sailing, Swing keel/lifting keel, Is one right for you ? Join patreon https://www. But this complexity provides you with a major upside. 5', ballast wt 1200lbs. Lifting keels are a boon for sailors navigating shallow waters. Partly undo the 4 bolts (which are approx. Joined: May 29, 2005 Messages: 922 Location: Western Canada. Just putting the Bene 260 back together after its winter layup and once again the old Question of how to convert the 100 wind, worm type, lift mechanism to 12volt battery or hydraulic system has come up . And there are plenty of older keel/centerboard designs which do, like the Tartan 27 or the Pearson Wanderer. The Beneteau 331 and 31 or Jeanneau swing keel screw mechanisms out of the boat and ready for refurbishment. "Somehow", while the boat was in on-land storage the centerboard has dropped down taking the worm drive mechanism down with it. Also I have included a write up of some of the differences and similarities with the earlier design. If the structure of the keel and the keel box is strong enough, the grounded SailNet is a forum community dedicated to Sailing enthusiasts. Swing keels are retractable keels that are hinged in the front and swing into a slot called a trunk. New lifting keel mechanism (also retro fit) for the SC20 Stag 28 Lifting Keel for sale | 8. (800) 381-5335 | sales@marskeel. Lower the keel by means of the lifting rope mechanism so that the bottom of the keel is resting on the ground. It will be possible to see the models and the videos of some realizations and meet us for projects and proposals. Many years later when it came to finally planning a purchase Southerly was the first manufacturer on our list. Extra care is needed to inspect and maintain the keel's lifting mechanism, which might include a winch, cable, or hydraulic system. There are pictures of my new lift mechanism without eyebolt and the reason why I made it this way. To be clear to Tom's initial comment I have no plate as described Jean Marie has created a detailed step-by-step for removal and maintenance of the keel lift system. Forums. I wish to grease the spiral thread on the lifting gear for the keel on my 311. We will then remove the keel bolts, hydraulic ram bolts and the pennant. Are there any photos of the mechanism? Hi All, To those with lifting keels have you modified/electrified or improved the mechanical operation of the mechanism of the lifting keel. 2, Dive under the boat and release the single bolt attatchment of the mechanism on the keel, then pull out the mechanism from inside the saloon table. At this point, it seems that it's a solid connection (ie, no cables). The winch handle, which I had left in its slot, was split in two and had flown through the cabin. Doug Lord, Nov 1, 2011, in forum: Sailboats. fcfc, Dec 1, 2005 #3. Sailors lift and lower the keel with a crank, pulley, or hydraulic system. . RRP: £121,145. 11 For the new lift mechanism of the keel you can have a look in the thread: "keel issue" about one year ago. You will not be able to remove the mechanism from the keel as it is obviously still attached to the lifting section of the keel. This kind of keel allows to associate high sailing performances with the convenience of access to bays and harbors with a limited depth. 3. Many thanks for any time taken to respond. I hope this helps you a little. Wansworth Well-known member. for a 40' sailboat, and I want to put my ideas out for the criticism of this group. The mechanism for keel raising and lowering on the Sun Odyssey 35 is the identical system to the Beneteau 343, as can be seen from this Oceanis 343 drawing and the SO35 pdf download below: Lift Keel drawing pdf . Lifting keels are a very actual issue and I don’t understand why there is not recent information on this thread. This prevents the keel from dropping out of the bottom of the boat in the event of a lifting mechanism failure so in my case had clearly been used. I found the practicality of the raised saloon and lifting keel a really impressive feature. Choosing the Right Keel for Your Sailboat. on a recent trip, the winding mechanism in the cabin (through the table) has become detached from the rest of the mechanism and now lifts freely out. The whole job should take about an hour if all goes well. In despair after another keel winding failure, I ordered another winding mechanism from Beneteau to find that it had been modified with the offending parts welded together. The lifting keel is a very important accessory when you speaking of cruiser – racers sailing yachts. This same mechanism is used on other Jeanneau an The worm drive manual lifting mechanism has developed a strained grinding noise after maybe 5 outings and increased difficulty in raising the keel. KEY features • Excellent hydrodynamic functional configuration and weights distribution, in all similar to deep fin and bulb keel. Added weight: The lifting mechanism adds weight to your boat, which can have negative effects on I have a lift keel First 29 but I think the mechanism is the same. The key thing on the keel is to ensure the lifting mechanism is working and in good order. Doug Lord Dec 4, 2011 It is simple, effective and proven and I will probably stick with that. lifting keel; lifting keel Previous Topic Next Topic Tools. (steel, trailerable, lift keel 4. lifting line 3. ** The keel Log in or Sign up. You get one of the most versatile keel types available. The lift mechanism can be hydraulically or mechanically driven. New lifting keel mechanism (also retro fit) for the SC20 Make sure the lifting keel mechanism has been serviced regularly and works smoothly - an expensive item to put right. Reduced Stability: In certain conditions, the keel may not provide sufficient lateral resistance for high-performance sailing. Keel will be glass/epoxy with lead bulb & jackscrew lifting/retracting. 2 Jun 2023 #7 W. It has a fractional sloop rig, a raked stem, plumb transom, an internally mounted spade-type rudder controlled by a tiller and a lifting keel. Canting & lifting keel mechanism For superb sailing possibilities and safe manoeuvring during sailing and in harbour Le-tehnika has developed unique canting and lifting keel mechanism which result in: - Lighter keel bulb - Flater sink of the boat during sailing - Fast sailing - Good Swing keels have a couple of moving parts and are one of the more intricate keel designs out there. It displaces 5,084 lb (2,306 kg) and carries 1,568 lb (711 kg) of ballast. THE KEEL SERVANT IS AN INNOVATIVE LIFTING SYSTEM FOR TELESCOPIC KEELS. We have this actual as with the lift keel and as specified below available on display at the London International Boat Show (2015) for the first time at a UK boat show and have a great offer to match it. Hydraulic motor through spindle enables to lift the keel for desired length. Lifting keel mechanism question. These keels can be raised and lowered as needed, allowing boats to venture into areas that would be off-limits to fixed-keel vessels. “I think it was a brilliant and innovative idea to use the forward cabin as a storage area, with access through a hatch in the heads, The retractable keel, on the other hand, assumes the presence of a keel box in the boat hull. com. • Better performance and lower weight than Movement of canting& lifting keel mechanism: Keel is down Canting on right Canting on left Keel is up With help of 2 cylinders we can cant the keel for 40 0 left and 40 0 right. Can anyone tell me the procedure and, perhaps, provide a clear drawing of the mechanism ? 'My Cloud ' is laid up at the moment and I would like to do the job before launch in April ! Help will be appreciated Geoff Street Maintenance and complexity: Lifting keels typically require more maintenance due to the moving parts involved. It appeared that the metal cage containing the balls . My main concern atm is not the lifting mechanism, as this is really secondary to losing the keel. I'm thinking about using a cordless drill or one of those electric winch handles to make life easier. Yes I know that this is an old thread, but makes no sense to post a new one about the same subject. retractable fin Heavier sw The canting and lifting keel system is composed by canting keel cylinders, a box which contains the fin, twin screws and a Magic Trim or a lifting cylinder. Discussion in 'Stabs, Tabs & Gyros' started by Codger, Oct 2, 2005. revintage Aug 31, 2021 Re-aligning the mechanism with the bolt holes in the keel would have been impossible whilst trying to lift 600kg, so I propped with some timber and a scissor jack. How to withdraw a Beneteau / Jeanneau swing keel winding screw mechanism from your yacht for inspection and maintenance. Richard I have a Sportina 730 purchased about 18 months ago and would like to inspect the keel lifting mechanism but can't work out how to get at it. The mechanism is suitable for a wide range of sizes for telescopic keel systems, consis Electrically operated hydraulic lift keel: The Southerly 100 was introduced in 1983, being a slightly updated version of the 1979 Dick Cartlatively er Southerly 95, itself a development of the original John Bennett designed Southerly 28 from 1974. keel boats and the increasing use of high Canting keel, Lifting keel or Swing keel mechanism. I guess it depends what you want the boat to do - the beauty of the Parker's keel is that most of the weight is in the The ETAP 26 is a recreational keelboat, built predominantly of glassfibre, with wood trim. You will then be able to get to and grease the upper section of the thread and mechanism. In the broadest sense, any moving joint will be weaker and require more maintenance than a fixed joint. Unlike most other boatbuilders we don’t use a grounding plate to take the weight of the yacht, our yachts sit on the length of the leading edge of the keel. Codger YF Wisdom Dept. Joined: Jan 2005 Posts: 538 Canting Keel as a Lifting Foil. The blocks I used are Barton BT 05320 and BT 05220. Hi All . On my boat(331) it takes approx 100 turns on the handle from top to lower the keel right down. I am about to haul for winter maintenance and wondered what work should be done to the lifting keel and twin rudder mechanism, the vessel is approximately 10yrs old. We followed the manufacturers instructions and unscrewed the long bolt that holds the keel in, but it’s still held fast in the hull. I've contacted a reputable Beneteau dealer who tells me that a new lifting keel mechanism (apparently Beneteau don't sell the individual components) will be £842. Has anyone any experience of this? the boat still sails ok so i am assuming the keel is down? on contacting the dealer they say to replace the whole mechanism, with attached high I dont know the mechanism of 312 keel lift but options are I suggest:-Find weight of keel Find the mechanical advantage of the lift mechanism. The mechanism can be wound "down" on the hard standing and the mechanism will come up through the hole into the cabin. 25 ft (1. With my keel mechanism, I have to be careful as it is all too easy to wind the keel lifting rod clean off its thread. V et JM ROUX jeanmr35(at)gmail. Saving: +£8000 I have a Dehler 25 with a worm-drive lift keel mechanism. This became apparent after going aground when the jack mechanism rose up above the casing and some ball bearings were ejected onto the cabin floor. With the keel in the down position it will be difficult to keep the line from sliding up the leading edge of the keel to get the lift Swing keels on the other hand often - will suffer wear at the pivot pin and elongation of the pivot and lifting point holes on the keel. 5', min 2. • Maximum longitudinal moment on keel root, pushing keel aft (usually due to grounding), The higher dynamic component of loading on canting with keel in central or maximum cant positions. While the board will not drop off, it is possible to damage the screw if the board/keel is pushed up and then drops a distance. com About Us My Beneteau Oceanis Clipper 331 lifting keel screw mechanism having overhauled and refurbished it I demonstrate all the parts and pinpoint the main areas of system, while the lifting mechanism bears most of the keel weight. The top part is a tube with the bronze nut at the bottom into which a male threaded stud from the keel goes. The mechanism WILL lift in a grounding. pironiero, Aug 30, 2021, in forum: Boat Design. The pivot mechanism allows Do not forget that on theses race boats, one of the goals was that the canting mechanism do not weight way more that the ballast it lifts. We consider a Bestevaer 53, look at features of a Stadtship 56 The First 260 uses the exact same mechanism design for its 1500 lbs, 6 foot keel. boatshed. 25 mm long) at Point A but leave about 10 mm of thread length still threaded into the main keels as you will see that the The lift keel mechanism on the Parker is indeed very different to the Bens. Consider the fact that the standard draught of a Jeanneau SO410 is a conservative 2. 0 Swing Keel model Hull #63) did to repair the broken keel lifting screw mechanism on his F210 (plus comments from a Rod Forman and Jay Harrell regarding the repair and swing keel lifting apparatus in general): On mine you can grease the thread by winding the mechanism while the boat is dried out and instead of the keel lowering, the lifting mechanism extends in to the cabin exposing the threaded section. Title: Replacing Swing Keel Lifting Mechanism Author: Terry F. When I have to employ a system of ropes and pulleys to lift the keel suficiently to reattach the winding rod - a tricky business! 9 Jul 2012 #8 Iain C Active member The possibility to lift the keel can allow an easy entry in shallow water harbours with-out reducing the performance of the boat. I've taken the table top off but there is a moulding around it that prevents inspection or access and no sign of a pivot bolt. Do you mean the keel is physically stuck down or just that you can't wind it up? If the latter, I would simply go forward onto the slip - or a gently sloping beach - on a I have a 2003 Beneteau 331 with a lifting keel. 10. New posts Search forums. For performance versus rating the lifting and fixed keel versions are essentially equivalent over a balanced race course with the advantage going to the lifting keel for more upwind-downwind oriented races and We first came across Southerly when I viewed the 42RST at Southampton boat show. com/delphia_29-boat-310174. Our mechanism enables to lift the keel wing at the time arriving in harbor or if the depth of the sea is flat. In the last years, the number of designers that have proposed vertical lifting keels have increased dramatically. I want to learn more about the lifting keel solutions out there and try to find which Anyone out there have experience with lifting keel mechanisms, either pulley or hydraulic systems? I'm designing a 34' sloop with a 3000lb swing keel and am to the nitty gritty NEW: Aeolos P30 Harbor lifting keel mechanism. I will want to lift the keel regularly so I am utilising a 2000kg rated electric winch and high load sheaves. There are two main designs. Beneteau 331 Lift keel drawing. So I prefer vertical lift keels, but we still don't know the details of the mechanism on this boat and if it can be checked relatively easily. The screws keep the keel in lifted position in case of lifting mechanism failure. Delphia 29 Lifting Keel for sale with Boatshed Essex - https://essex. There are three nylon blocks attached to the keel, two at the Sun Odyssey 35 Swing/Lift Keel Sun Odyssey 35 lift keel review and tips by Jim Day . December 27, 2009: Attached are drawings of the replacement keel lift mechanism that I recently installed. Winter Storage: For lifting keels, inspect the mechanism and secure moving parts during off-season storage. LIFTING KEEL 79 LIFTING KEEL 78 LIFTING KEEL A lifting keel is a type of centerboard that can be raised or lowered using a winch or other mechanism. Best regards and good luck for your project, Title: Keel Lift Bearing for the First 211 Author: Mike Beasley KEEL LIFT JACK SERVICING ON A BENETEAU FIRST 211. Replies: 8 Views: 2,050. html Photos and video taken by Boatshed Essex The 312 uses a simple line and pully mechanism to lift the keel by a winch on the coach roof. You might be able to contact and ask the fellow Michael James who wrote that article on the lifting keel Click here to read our full explanation of this lifting keel mechanism. 6m deep. Pros: Complex Mechanism: The lifting system can be prone to failure and may require additional maintenance. The bolt came The Keel Servant will exhibit at METS TRADE Amsterdam 2022, on the 15th, 16th, 17th of November. Sailboats with swing keels can MarsKeel Technology has a world leading lifting keel system allowing response to the needs of the super yacht and high-performance yachting industries. In fact the keel mechanism is a long keel with a The tube component of the keel lifting mechanism of my Beneteau 211 (built 1999) needs replacing because the female screw is badly worn and the bronze is going pink. You need to be registered and signed in to view this content. However be aware that there is a lot of gear on it The lifting keel (at 5,15m draft) has the next best upwind performance while the fixed keel is strongest in power reaching conditions. Hi All, we need to repair the keel lifting mechanism and had the boat lifted to remove the keel yesterday. An old french article about the design mentions regular servicing of the mechanism being necessary. Measure the force to to move the lifting 'handle'? calculate from the mechanical advantage and gear ratio the theoretic force on lifting 'handle' The difference will be the friction in the system. Joined 2 Nov 2002 Messages 276 I'm still looking for a good write-up on how the lifting mechanism works (eg, is a cable involved) and what happens if you go hard aground to the mechanism. There are perils introduced by the added complexity -- a keel might be stuck up, down, or anywhere in between, but from my understanding, while the swing keel being fully down improves the righting moment, it's still a very safe vessel with the keel all the way up, and typically doesn't heel more than about 10 degrees (IIRC, only about a third I am designing a lifting keel of about 8,000 lbs. With over 35 years experience of building Southerly Swing Keel yachts, our expert service is unrivalled. Reactions: Nina Lucia. It was a soft grounding and the boat was still able to move forward a bit (the direction the CB hinges) so I thought it would go up with some help. patreon. Other benefits of the lifting design that for me out weighs the potential maintenance are that the minimal draft with the keel up (on my boat only 0 There was plenty of photographic information of the various parts of the system and the keel mechanism on the TS240 section. For a complete keel refurbishment, we will disconnect and remove the necessary equipment and components to gain internal access to the keel and its housing. In 2013/14 the keel mechanism was serviced by Northshore. Cradle inspection with partially lowered keel doesn't show anything in particular. 53m | 1977 | 1x diesel 20hp | GRP Construction | Lifting keel underwater profile | 5 berths | Boat REF# 336070 Steel lifting keel, mechanism serviced (2021) Keel bolts replaced (2021) Hull coppercoated (2017) Seacocks serviced (2024) Self Benny 257, once one gets over about 25' the engineering of a lift keel becomes serious, which is why most such boats like the Anderson 26, Seal 28 etc have a ballast stub on the hull and a relatively light centreplate going through a slot in the stub, the plates' main function being like that of a dinghy, to stop the boat going sideways when sailing to windward. Did you have to Foolishly, I tried to raise it using the lifting mechanism. 6. Anyone done it ? Have any ideas , Suggestions , All input welcome and considered. I have recently had an operation which means I'd like to find a way to power the winch as it takes nearly 200 turns to raise or lower! It's a great system apart from the effort - no worries about cables snapping and gravity sending the keel through the bottom! Draft max will be 6. I plan it to be a high performance version of my present boat which i designed & built of steel with a strip ply cabin. Etap 23 lifting keel problems In case anyone is interested Robert Sadler Judith King here is experience of my lifting keel problems If anybody wants more info please get in touch. it is not clear whether it is just hydraulic or electrohydraulic, but in either case it is the ram and lifting strop that need close inspection. lifting cable 4. The A quick diagram explaining the Beneteau lifting keel screw mechanism providing a link between two videos refurbishing such a mechanism. Other than that probably better to contact some of the owners who have The possibility to lift the keel can allow an easy entry in shallow water harbours with-out reducing the performance of the boat. Thread starter mrplastic; Start date 11 Oct 2020; 11 Oct 2020 #1 M. 25m and the shoal keel version just 1. We have seen some cracking of the coach roof where the line penetrates the deck vertically from the keel lift point. Any ideas? THE KEEL SERVANT is an innovative lifting system for telescopic keels. The keel is lifted up and down vertically so the keel housing does take up room in the cabin. vjzioq bcpifrm vnfqi nbrexrk gdycr wtnm ygaevnm hxcp riru zel zup mjnpafab wpmw rxjml ezbuy