Propeller conversion from 3- to 4-blades

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Tiara Open Propeller conversion from 3- to 4-blades

Gicas1954 Offline

Deck Hand

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Joined: Aug 2021
Home Port: Varazze, Italy
Vessel Info: Tiara 3800 Open, 2006, Cummins 490hp

Posts: 5
Threads: 3
Likes Given: 0
Likes Received: 0 in 0 posts
Joined: Aug 2021
Home Port: Varazze, Italy
Vessel Info: Tiara 3800 Open, 2006, Cummins 490hp

08-18-2025, 12:04 PM

I’ve damaged the propellers of my Tiara 38 Open with 2 Cummins 8.3 490hp. The well renowned foundry where they have been sent for repairing here in Italy, states that it would be better to transform them in 4-blades instead of 3- as this would reduce vibrations, improve performances and reduce consumption. Did anybody have a similar experience? Comments?

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Messages In This Thread

Propeller conversion from 3- to 4-blades - by Gicas1954 - 08-18-2025, 12:04 PM

RE: Propeller conversion from 3- to 4-blades - by hiccup - 08-19-2025, 10:46 AM

RE: Propeller conversion from 3- to 4-blades - by twilson0929 - 08-28-2025, 02:49 PM

RE: Propeller conversion from 3- to 4-blades - by hiccup - 09-22-2025, 03:43 PM

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