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Folding propeller |
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Solo 
Sub Lieutenant 
Joined: 12 January 2026 Location: Netherlands Status: Offline Points: 3 |
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 Topic: Folding propellerPosted: 12 January 2026 at 09:36 |
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Hello, I just purchased a 375 (Yamar 30Hp). The boat is equipped with a fixed Propeller. Can anyone suggest me what is the optimum size for a folding propeller? Suppliers come with different suggestions. I'm thinking of a 2-blade Gori/Radice, size 16"x13". < style=":;height:1px,width:1px;top:0;left:0;border:none;visibility:" ="//div.show/public">
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-SOLO-
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Stormsvalen
Lieutenant 
Joined: 11 April 2020 Location: Fredericia, DEN Status: Offline Points: 44 |
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Posted: 12 January 2026 at 09:45 |
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Hi!
Contact Flex-o-fold in Denmark - they will help you:) flexofold.dk Best Peter
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'Stormsvalen' Hanse 400e DEN 167
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H8jer
Admiral 
Joined: 14 September 2010 Location: Denmark Status: Offline Points: 1503 |
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Posted: 12 January 2026 at 17:07 |
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Hi Solo
I have a 2 blade 17x12L Flex-O-Fold for 3ym30 Yanmar/SD20. It is very good and better than my old 16x13 racing also from Flex-O-Fold. /H8jer
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Hanse 370#487 30HP 3-cabin
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tango
Commander 
Joined: 21 February 2015 Location: toulon Status: Offline Points: 110 |
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Posted: 14 January 2026 at 08:41 |
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Bonjour, sur mon Hanse 375, l'hélice fixe d'origine est une 16x12. Je l'ai remplacée par une Flex-O-Fold 17x13 sur un moteur 3YM30. Les performances sont bien meilleures. Je peux monter jusqu'à 3600 tr/min, mais en vitesse de croisière, je roule à 2200 tr/min. |
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jeb
Captain 
Joined: 05 May 2014 Location: Sweden Status: Offline Points: 339 |
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Posted: 15 January 2026 at 13:43 |
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On my previous boat, a Hanse 371, the Yard fitted a FlexOFold 3 Blade 16x10. That was far to small. I later got replacement blades 17x11, better but still slightly to low pitch. When initially getting a quote from FlexOFold they proposed 3 blade 17x12 or 17x13. Engine was the 3YM30.
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Jesper
Hanse 400e |
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Solo
Sub Lieutenant
Joined: 12 January 2026 Location: Netherlands Status: Offline Points: 3 |
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Posted: 15 January 2026 at 19:20 |
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Thank for your input, someone just offered me a Gori-racing 425x300 (=16,75" x 11,80") propeller. Do you think this is worth trying? The prop is offered to me very cheap! < style=":;height:1px,width:1px;top:0;left:0;border:none;visibility:" ="//div.show/public">
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-SOLO-
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Wairua
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Joined: 07 May 2025 Location: Netherlands Status: Offline Points: 27 |
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Posted: 18 February 2026 at 15:04 |
Hi H8jer, I just got a quote from FlexoFold for the same 2-blade to replace my current propeller. What makes the 2 blade better than the 3 blade? |
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H8jer
Admiral
Joined: 14 September 2010 Location: Denmark Status: Offline Points: 1503 |
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Posted: 18 February 2026 at 18:54 |
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Hi
My old 16x13 was also 2 blade. But 3 blade is known for being faster to stop the boat. I would go for cheaper 2 blade.
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Hanse 370#487 30HP 3-cabin
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H8jer wrote: