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#11770775 - 08/10/16 10:54 PM Prop size
Jgotro Offline
Outdoorsman

Registered: 01/27/12
Posts: 42
I have a 21' pathfinder bay boat with a 150 Yamaha. Someone stole my prop! Any ideas of what pitch prop I should buy to replace it? All I know is that it was a four blade . Any help on selection would be great as I have no idea on pitch selection.
Thanks

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#11771087 - 08/11/16 08:43 AM Re: Prop size [Re: Jgotro]
BODA Offline
Outdoorsman

Registered: 06/10/14
Posts: 204
Loc: Eagle Mountain Lake
jeez, that blows. I would call a dealership and ask them what they are putting on similar rigs. there is also a pretty good prop finder on mercury's website. it can determine the pitch of your prop based on math

https://www.mercurymarine.com/en/us/propellers/selector/#/step-one

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#11780589 - 08/16/16 05:21 PM Re: Prop size [Re: Jgotro]
Josh@SCP Offline
Angler

Registered: 04/27/07
Posts: 383
Loc: Winnsboro TX
Youll probably need something like a 15 to 15.5 in diameter offshore style prop in a 19 or 21 pitch depending on how heavy that boat is. You probably dont have to have a 4 blade. The powertech ofs is a good wheel for those bay boats.
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#11780625 - 08/16/16 05:46 PM Re: Prop size [Re: Jgotro]
Pat Goff Online   content
TFF Team Angler

Registered: 01/29/05
Posts: 4945
Loc: Marble Falls/Seadrift
Josh,
On that CC, it's all about carrying a load and blasting out of the hole in the least amount of time and bow rise you can get.

Powertech offshore 4 blade with large vents in probably a 18 or 19 should be the ticket.
_________________________
Pat Goff
Marble Falls/Seadrift TX

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#11783701 - 08/18/16 07:51 AM Re: Prop size [Re: Pat Goff]
Josh@SCP Offline
Angler

Registered: 04/27/07
Posts: 383
Loc: Winnsboro TX
Pretty much what I was getting at. A 19 big diameter offshore wide blade with that low gear will be the ticket.
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