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Old 28 September 2020, 16:32   #1
Country: UK - England
Town: Bournemouth
Boat name: pat
Make: Sollent 900
Length: 9m +
Engine: Mercury 300hp Verado
Join Date: Jun 2010
Posts: 23
Prop size

Hi I`ve got a 9mtr Solent Rib with a Mercury 300hp Verado.
Currentlly running with a 14.5" x 19" 3 blade michigan prop.
Its very quick of the mark and acheives 56mph at 6350rpm. We tried a 21" pitch, wouldn`t get to max revs. We feel we are almost on the money but still feel we need to up to the level, maybe slightly larger diameter perhaps or different blade configuration
Can anyone please advise/

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Old 29 September 2020, 00:45   #2
beerbelly's Avatar
Country: UK - England
Town: teesside
Boat name: magic
Make: humber 5.5
Length: 5m +
Engine: mariner 115
MMSI: 232012453
Join Date: Apr 2014
Posts: 1,221
have you tried a 4 blade spitfire i have a 14x19p spitfire on my 115 mariner command thrust and its perfect . i bought and tried a 14x21p spitfire and although I'm still getting 6krpm i have lost midrange instant pickup so will be selling the 14x21p
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