Gori 3 blade folding propeller

Remember me Log in. Lost your password? It is the only folding propeller operating the same pitch in forward and in reverse, the blades pivot degree.

The 3-blade Gori folding propeller marks a technological and functional leap forward in the development of propellers for sailboats. It is now possible for sailboats and motorsailers to gain the folding propeller's speed advantages under sail, combined with the fixed propeller's thrust capability when motoring. The 3-blade Gori folding propeller's "overdrive" function adds a new dimension to sailing under power. The helmsman can choose the propeller pitch and profile in the water while sailing forward, by regulating the yacht's shift and throttle control. Without the use of vulnerable hydraulics or complicated mechanical devices.

Gori 3 blade folding propeller

Geared blade design ensures that the blades open and close together giving less vibration ahead and astern. This results in one full knot of improvement in speed under sail. It does not rely solely on centrifugal force to open the blades as do many other folding propeller types. NIBRAL is far stronger in all specification areas than manganese bronze commonly used by other prop manufacturers. For the last five years my boat, a Catalina , has struggled to get through the water under power, especially against a tide or current. I installed it in the spring and it has made an amazing difference. The new prop has been the best upgrade I have made yet. Since it came from the factory six years ago our 46 foot sailboat had a fixed three bladed speed brake. In a quest for more efficient sailing speeds we recently purchased and installed a GORI 3-blade Folding prop. To our delight our new GORI prop has increased our sailing performance one to two knots and we have also gained over a knot while under power. Soon we will leave San Francisco Bay and begin our cruise to the south and on through the Panama Canal to the Caribbean. With our new GORI prop we will arrive at the fun anchorages even sooner. The Gori 3-Blade propeller has proven invaluable. Now we can easily and safely power in reverse to starboard. Just want you to know that the 3-blade GORI prop is fantastic!

GORI Propeller supplies a full range of folding propellers and custom-made propellers for leisure projects all over the world. They have been able to obtain under sail the extra speed the folding propeller allows by the minimising drag.

Available on all products. Inboard or Outboard. The Gori Folding propeller "overdrive" function adds a new dimension to sailing under power. The helmsman can choose the propeller pitch and profile in the water while sailing forward, by regulating the yacht's shift and throttle control. Without the use of vulnerable hydraulics or complicated mechanical devices. The "overdrive" is used when motor sailing in fair weather or when using the engine under sail.

They are available in both LH and RH configurations for both saildrive and shaft installations. These results showed conclusively the advantages of the GORI 3-blade propeller. Astern: GORI was 6. Make note of the distances A through I below so that your propeller can fit with proper tip clearance. Shaft Diameter B.

Gori 3 blade folding propeller

Which is the best folding or feathering propeller for your boat? Emrhys Barrell compares 15 props in a test of speed, thrust, drag, stopping speed and propwalk. Not much, if you want to slow your boat down by at least half a knot when you are sailing. A fixed three-bladed prop, locked in gear, exerts as much drag as hanging a bucket over the stern. The answer is, fit one of the many folding or feathering props on the market. But which one, and what are the drawbacks? We tested all the props we could get our hands on except the Volvo, Radice and J-Prop, which turned up too late for the test , measuring top speed under power, thrust bollard pull ahead and astern, stopping distance, and — for the first time anywhere — we measured the side-force propwalk generated when you put the engine into reverse.

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Or feel free to call us at If supplied with a fwd collar zinc remove this zinc first. It does not rely solely on centrifugal force to open the blades as do many other folding propeller types. Testimonials For the last five years my boat, a Catalina , has struggled to get through the water under power, especially against a tide or current. Aperture 4. Clean the surface of the propeller hub to ensure a good clean contact between the hub and the new zinc. This is a right hand thread… simple right is tight…left is loose. Lost your password? Under sail, a fixed propeller slows a yacht much more than most people would imagine. An incorrect nut can lead to loss of the propeller, part of the propeller or cause an electrical connection between the propeller and the saildrive.

Geared blade design ensures that the blades open and close together giving less vibration ahead and astern. This results in one full knot of improvement in speed under sail.

Subscribe to our newsletter Receive the latest news from the world of BSI Group and its brands directly in your inbox. Or feel free to call us at Allen Key 5mm Push or tap the new flexi-stops in place. We use cookies to ensure that we give you the best experience on our website. Allen Key 6mm Using a flat screw driver … pry out the old or worn Flexi-stops Overdrive provides the same speed at lower rpms resulting in less engine noise, less vibration, and better fuel economy. NIBRAL is far stronger in all specification areas than manganese bronze commonly used by other prop manufacturers. Would you like us to contact you to discuss GORI propellers without obligation? One propeller. The "overdrive" is used when motorsailing in fair weather or when using the engine under sail. Bravo 3 Propeller Wrench. Propeller blades 3 x each Tighten the jacket 1 to the blade housing assembly.