There is a new Gori three-blade folding propeller with overdrive that adds 20% m. 1990 42 This vessel is the sought-after three cabin model with two heads. I would then be casting my own annodes thereafter. 1300. The ultimate folding propeller providing optimum manoeuvrability, less noise and reduced fuel consumption. It does not rely solely on centrifugal force to open the blades as do many other folding propeller types. info@flexofold.com . Bernie Pryde hade tagit livet av sig - det var ingen tvekan om. First remove the 4 x allen-head bolts (17.1) and remove what is left of the zinc, Clean the surface of the propeller hub to ensure a good clean contact between the hub and the new zinc. Smear locking glue (Loctite 243) on the thread of the nut-locking bolt (4.1). De 3-bladede Gori foldepropeller leveres i diametre fra 15" til over 30". Now using Loctite-242, re-install the 3 allen head bolts (5) into the holes and tighten firmly. Replace the zinc with new zinc, align the zinc with the end of the hub & the alignment hole with the pin in the end of the hub. Or feel free to call us at 401-847-7960, Model of Interest: 2-Blade3-Blade3-Blade Single Pitch4-BladeRace SeriesAll Models, Type of Gearbox (recommended) They offer customers low resistance with effective manoeuvrability along with patented single and overdrive technologies. This does not work. – Make sure the blades do not open or close suddenly and trap your fingers Check that the blades will move freely from fwd to reverse and that the tip clearance with the hull is 10% of the blade diameter. – Check that the prop works in both fwd and reverse before each trip. – The prop may have sharp edges… be careful not to cut yourself That one seemed to be a little better built than the earlier ones and stayed in good shape for as long as I owned the boat. – Do not remove fish nets, rope or similar from the prop with the engine running. Gori Folding propellers are very high quality - thoroughly tested by thousands of sailors all over the world - for cruising as well as racing. The 3-blade Gori folding propeller has been designed in such a way that if the propeller is in "overdrive" position, the boat will attain approximately the same speed at lower engine revolutions. The helmsman can choose the propeller pitch and profile in the water while sailing forward, by regulating the yacht's shift and throttle control. While I agree that there is a case to be made for that prop having an integral annode as part of its frame (and lets face it, this means the company is going to make a few dollars off all of its customers every year or so, in perpetuity), I think you may be a little harsh on the company for stating that they do not offer a warranty against corrosion like that. – Do not start the engine while the boat is out of the water A. If the gear wheel (13) has been damaged or worn…it should be replaced If i am in a position to buy a variable prop again, I will certainly go for a Gori for the overdrive. To remove blades – the center Fixing Bolt “MUST” be removed first!!!! The thread on the blade housing assembly (6), is a standard right to tight and left to loose. I have seen zincs gone in 45 days and some last 7-8 months but it all depends upon where you are and how hot your marina is. The first propeller, Radice had no signs of galvanic corrosion after 14 mnths at the exact same mooring place at my dock, and no canges of other boats around, electric cables or whatsoever.No shorepower, no nothing hooked up that could add current.The shaft-tip anode was still there when the boat went up for the change.The original Gori anode is almost at the exact same place, but perhaps 1/4 size of the old one, protecting double the mass of different alloys. The new single pitch 3-blade Gori propeller has all the features of the original 3-blade Gori propeller, just without the Overdrive. Sorry dude ANY prop would have been eaten alive with your lack of maintenance. First remove the Fwd split collar zinc, then the 3 x allen cap head bolts (5), from the jacket. A forum community dedicated to Sailing enthusiasts. This ensures that at the factory the propeller has been checked, and balanced prior to shipping. – Stop the engine before diving or swimming in the vicinity of the boat Gori three-blade. To do this you will need to rotate the jacket to line up an access hole with the allen screws (4). 1. Clean the contact area. It is very important to always use the Gori supplied propeller nut for the installation. This unique design offers an "overdrive feature", with 2 controlled pitch settings in forward and full reverse thrust. Measures have been carried out with a new, clean and empty; You may use a hammer with care, to get the jacket started as it is a firm fit. Naja wozu auch, mit bereits 1400U/min erreicht die Hello World 7,5kn und mit Vollast, also 2200U/min 9,4kn. Den 3-bladede Gori-foldepropeller, som er beskyttet af patentansøgninger, understreger Gori propeller´s teknologiske førerposition. Naja wozu auch, mit bereits 1400U/min erreicht die Hello World 7,5kn und mit Vollast, also 2200U/min 9,4kn. How long your zincs last varies tremendously and the OP was off base in blaming Gori for his lack of maintenance. A diver was able to replace the zinc without hauling the boat each year. Use the new allen head bolt supplied … smear with loctite before re-installing the bolt. This should be done if more than 50% of the zinc (17), has been eroded away. Rapportér denne profil . Only Gori 3B has the overdrive. This must only be done when cleaning and a full service of the propeller is required. . Typically 72ft/lb. Hittades i boken – Sida 560Gori three-bladed folding propeller. The Gori three-bladed folding propeller is unique in a couple of ways. ... This has the effect of increasing the blade pitch in forward— what Goricalls its overdrive position. As I noted earlier, ... Upgrade of battery charger to 60 Ah. You will now have the retaining cap and blade housing assembly (6), (with blades installed) separate. Whilst the Gori definitely reduces drag under sail, compared to a fixed prop, the 2-blade version does not give as much drive under power as a 2-blade fixed propellor and all folding propellors are very poor in reverse gear. The 3-blade Gori Folding Propeller's Overdrive function adds a new dimension to sailing under power. Warning ~ DO NOT remove the blades from the blade housing when removing the propeller from the saildrive leg. The maximum sizes given by Yanmar can be due to weight of the propeller. 2600 rpm with overdrive is almost full speed. Folding and feathering propeller test. Now using the C-Spanner (16), undo the retaining cap so that it separates from the blade housing assembly (6). Typically up to 72ft/lbs of torque. Without the use of vulnerable hydraulics or complicated mechanical devices. Dimensions: LOA: 12,47m Width: 3.96m Draft: 1.95m Weight: 8.600kg Ballast: 3.200kg. The 3-blade Gori folding propeller "overdrive" function adds a new dimension to sailing under power. Ball-shaped anodes which you mount around the shaft have several disadvantages and risks:They encrease drag, they create cavitation, (air bubles) that goes straight into the propeller, they create unballance of the prop shaft as they get eaten up, and finally they have a tendancy of getting loose, slide down the shaft and block the water through the cutlass bearing. Clean the propeller so as to ensure a clean strong bond with the new zinc. This prime Hallberg-Rassy 44 has approx.530 Engine Hours. C. Distance from shaft centerline to hull at forward edge of hub Check that the blades will move freely from fwd to reverse. Ethan Quinn har alltid dragits till havet, och efter adoptivfadern Rays död lägger han all sin tid på familjens båtbyggarverksamhet. D. Distance from shaft centerline to hull at end of shaft thread The Gori foldable prop. This ensures that at the factory the propeller has been checked, and balanced before shipping. He could motor sail that thing at over 9 knots with the Gori in overdrive, and made some great passages like that. Cockpit table cover in canvas Blu. Propeller-revolutionen for større sejlbåde og motorsejlere understreges af, at den 3-bladede Gori foldepropeller kan anvendes til både med motorer fra ca. It comes as 2-blade, 3-blade or even 4-blade. 4 BLADE FOLDING PROPELLER. – Stop the engine before diving or swimming in the vicinity of the boat If you are interested in our Gori products, we would like to send you further information. Tighten the jacket (1) to the blade housing assembly. 2018 Hallberg-Rassy 44. When the transmission is shifted to reverse, the blades of the propeller move through the folded position, and reopen to the designed pitch in reverse. Now slide the hub cone (2) onto the shaft and tighten the shaft nut (3) very tightly. – Check that the prop works in both fwd and reverse before each trip. The load on the engine, however, at this new lower engine speed is higher than it would normally be, so more . First remove the 4 x allen-head bolts and remove what is left of the zinc, Install the new zinc using the Loctite (supplied) on each of the 4 x allen-head bolts. Place the washer (4) into the shaft hut and then thread the nut-locking bolt (4.1) using a 5mm allen key (19). When the transmission is shifted to reverse, the blades of the propeller move through the folded position, and reopen to the designed pitch in reverse. The blades of a standard prop are in fact aerofoil in anybody that thinks a zinc is supposed to last is a idiot and has no idea of what they are talking about... Having had a boat with a Gori Prop, I would have to agree in part with the poster in assigning some blame to Gori. The information is not exakta.Gori propeller is a bit special with its overdrive, explanation can be found here: 2000 rpm with overdrive: 7.6 knots. The Gori, however, is also relatively expensive, so sailors on a budget may want to carefully weigh . Another option is the clearing to the hull, but that would depend on the installation to the boat. of torque for 1.00” dia. So first they spend probably some millions in making a low drag propeller, then they ask you to add some ''brakes'' on the prop shaft to make it work!Why not from the beginning put on a zink at the propeller that lasts "a normal service-interval" of one year? The 4-blade propeller has been developed for big sailing boats with engine over 150 hp. And this prop comes as an option with an overdrive function. These two items along with the bushings (2.1-2.3) will remain on the output shaft. Location. – Do not start the engine while the boat is out of the water Gori propeller har i over 20 år været førende inden for udvikling af foldepropeller. Dianavej 4 DK-7100 Vejle Denmark. The 4-blade Gori folding propeller has the same advantages, as the 3-blade Gori folding propeller with Overdrive. The overdrive works very well. Adjust the key if necessary. In head winds 17x12 or even 17x11 will be better than 16x13. Wheel covers in canvas Blu. Hittades i boken – Sida 456The Luke fully feathering propeller is a very rugged design that is particularly easy to maintain. (Paul E. Luke Inc.) FIGURE 10-43A. ... This has the effect of increasing the blade pitch in forward—what Gori calls its overdrive ... Gori Standard 4 Blade Folding Propellers. I got myself a new schock today as I lifted the boat to replace the propeller: most of the cone on the propshaft was gone. The Gori fitted to my 49DS is a 20x13 3RH. From £118 per month for 24 monthsopens an instalment calculator layer. As noted there is no room for an extra anode in front of the propeller, so unless one does not want to lift the boat every three mnths, a different brand seems to be the solution. Wet the bushing to allow it to slide in easily. The Norwegian distributor of Flex-o-fold guaranties the original propeller anode to last 12-24months!Anyone wants to buy a second hand Gori 3-blade 16,5 x 12 x 3? They should only be reassembled in the correct location … that is #1 – # 2 – # 3. Install the bronze puller (17) into the hub cone (2). Winches covers in Canvas Blu. Tilmeld dig for at oprette forbindelse Gori Propeller Aps. 7,892. Disassemble the blade pins (11 & 11.1) from the blade housing using a 6mm allen key. Phone +45 7555 4346 . So no rapid shifting with this box, but of course it can be fitted with the brilliant Gori overdrive prop which increases prop pitch by around 17 per cent when in this setting. Motor sailing at 1800 RPM would do little for the battery recharge. (Hull speed is 8.9 knots, typical loading.) The 3-blade Gori Folding Propeller was introduced on the market in 1994 and won the DAME award and HISWA award the same year, as the best new marine product. With the Gori you can chose the overdrive position, which gives you the same speed with less RPMs, and less fuel consumption. Lazy Jack and Lazy Bag (2015) NORTH SAILS 3DL MARATHON. The net result is to slow the shaft speed down over similar installations, en - abling us to swing a larger diameter, and thus inherently more efficient, propeller . Wir haben nach dem Ableben des alten Volvo Alu-Propellers einen Gori Drehflügelpropeller mit Overdrive eingebaut. Be sure that all components fit back together and that the blade pins (11) are located as before removal as they are indexed inside the hub to lock bolts (10 +8). To the aft are two separate staterooms. LOW WATER RESISTANCE EFFECTIVE MANOEUVRABILITY SINGLE DRIVE OVERDRIVE. To do this … First remove the 3 x allen head bolts (item #5) holding the retaining cap (1) in place. Germany to Denmark The propeller is delivered assembled. The Gori is a folding prop that claims to have the thrust of a fixed prop. – Propeller blades can cause considerable damage when rotating … be careful. Continue to slide the blade housing onto the assembly until the thread of the retaining cap (1), and the blade housing (6) are touching. I have NO CLUE where you get the idea that a zinc should last a one year service interval as the interval is 100% dependent upon where you store your boat and how fast your local conditions eat them. The Gori folding prop with overdrive works great on my 473. Install the new zinc (17) using the Loctite 243 (supplied) on each of the 4 x allen-head bolts. GORI wishes a Safe & Fast 11th Route du Rhum – Destination Guadeloupe. Here is a course on corrosion protection funded by a grant from the Department of Defense. . On August 7, 2014 It is well known that a fixed 3-blade propeller generates huge amounts of drag when sailing, but there is an option that reduces drag, gives you up to an extra knot when sailing and improves your efficiency under power — the unique 3-blade Gori propeller! This is how you get the full speed reverse and overdrive features. . At around 2500 RPM i get 8,5 knots. On a folding propeller the blades do not stick out while sailing as they do on fixed and feathering propellers. At $60US for an annode, I have to say that I would simply get my brand new one and make a mold with either muffler clay or plaster. The 3-blade Gori folding propeller was introduced on the market in 1994 and won the DAME award and HISWA award the same year, as the best new marine product. Newport Yachting Center Marina When a Gori propeller goes into overdrive, the power required to maintain a given boat speed doesn't change, but because the propeller itself becomes more effective the necessary power is achieved at a slower shaft and engine speed. Carefully remove the blade housing assembly by pulling straight aft. 2000rpm no overdrive: 6.4 knots. Replace the zinc with a new one … index the fwd end of zinc with the end of the hub pin to the zinc hole. Genoa . A prop with a greater BAR will take more power, but have more drag. Shaft Log3. Ahead "Overdrive" The 3-blade Gori folding propeller above is right-hand. Screw the retaining cap (1) RH or clockwise onto the blade housing assembly (6). The Gori propeller's unique overdrive feature sets it apart from other folding props and should make it attractive to sailors who want increased efficiency under sail, but who also spend significant amounts of time motoring at cruising speed. The Gori propeller gives you the optimum thrust in reverse by virtue of it's propeller blade shape and profile. Propeller Gori Overdrive. Curmudgeon at Large- and rhinestone in the rough, sailing my Farr 11.6 on the Chesapeake Bay. Læs mere The “overdrive feature” gives lower engine RPM for the same cruising speed when in calm waters or motor-sailing. Available in diameters from 23″ and upto more than 31″ for shaft installation. Note that blades, pins and the housing are matched and numbered. I have a volvo enginge on the 540 with hydraulick transmission. I have put some more pics at my page: Dammit! The course is intended for engineers and technicians. Available in sizes from 11" to 20" diameter for shaft as well as saildrive installation. Check that the blades will swing freely from fwd thru to reverse. 20 Commercial Wharf Failure to remove these pins first will result in damage to the internal threads of the blade pins (11). Der Propeller soll direkt für eine Bavaria 46 sein, der Motor kommt aber nicht mehr über 2200 U/min. Working instructions 3-blade Gori folding propeller. Furling Mast with Electric Winch for Outhaul, Electric Furlex, Epex Sails, All Electric Winches, Teak Deck, Complete Raymarine Electronics, Generator, Bow-and Sternthruster, as well as 2x Custom Bimini for . 01021 - Tecnoseal Gori 22-26″ 3 Blade Folding Prop Nut Anode 14074100 Your Price £ 8.68; Offer 01022 - Tecnoseal Gori 3-Blade 15-16.5″ Propeller Nut Anode 14072100 Your Price £ 7.74 £ 7.24; Offer 01022/1 - Tecnoseal Gori 18- 20″ 3 Blade Propeller Nut Anode 14073100 Your Price £ 7.74 £ 7.24 Use the blades to “push” home the stop into its location hole. Since that time the Gori propeller has amassed a record and reputation un- matched . The 4-blade Gori folding propeller has the same advantages, as the 3-blade Gori folding propeller with Overdrive.
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