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Old 02-20-2013, 05:09 PM   #6
Portuguese
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City: Salvador - BA
Country: Brazil
Vessel Name: Rainha Jannota
Vessel Model: Curruira 46
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Walt

I think Bendit is correct in his suspicion. The noise obviously will be reduced due to the ahydrodynamic profile of the new prop and the increased number of blades. The thrust could eventualy be improved but far from 20% if there's no iincrement in diameter. I would say thjat the new design, based on reports from other sites, improved in response 2%-5%. Which is outstanding in a 8.7 HP piece of equipment.
They claim that much because they say that the baldes had their area enlarged 20%

P.
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