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01-09-2011, 18:51
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#1
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Registered User
Join Date: Sep 2011
Posts: 11
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Inboard / Outboard 1987 Winner with 200hp Mercruiser Question
Does anybody know what those things are called that attach to the outboard trim that help assist in trimming the boat easier?
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01-09-2011, 18:54
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#2
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Registered User
Join Date: Dec 2008
Location: ontario canada
Boat: grampian 26
Posts: 1,565
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Re: Inboard outboard 1987 winner w/ 200 hp mercruiser question
Trim tabs? Dolphin fin?
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01-09-2011, 18:54
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#3
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Registered User
Join Date: Aug 2011
Location: Dallas
Boat: Currently Looking
Posts: 18
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Re: Inboard outboard 1987 winner w/ 200 hp mercruiser question
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Fair Winds and Following Seas
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01-09-2011, 18:55
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#4
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Registered User
Join Date: Aug 2011
Location: Dallas
Boat: Currently Looking
Posts: 18
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Re: Inboard outboard 1987 winner w/ 200 hp mercruiser question
Trim Tabs is correct
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Fair Winds and Following Seas
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01-09-2011, 19:06
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#5
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Registered User
Join Date: Dec 2008
Location: ontario canada
Boat: grampian 26
Posts: 1,565
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Re: Inboard outboard 1987 winner w/ 200 hp mercruiser question
What do you call that ugly fin they bolt to the anti ventilation plate?
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02-09-2011, 05:09
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#6
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C.L.O.D.

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 23,107
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Re: Inboard outboard 1987 winner w/ 200 hp mercruiser question
Quote:
Originally Posted by perchance
What do you call that ugly fin they bolt to the anti ventilation plate?
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"Doel-Fin"
➥ https://www.whitworths.com.au/pdf/36533_DoelFin.pdf
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Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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02-09-2011, 07:32
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#7
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Registered User
Join Date: Sep 2011
Posts: 11
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Yes! Trim tabs they attach to the outboard just above the prop where the little holes are in the trim? Where could i purchase those?
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02-09-2011, 07:39
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#8
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Registered User
Join Date: Dec 2008
Location: ontario canada
Boat: grampian 26
Posts: 1,565
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Re: Inboard / Outboard 1987 Winner with 200hp Mercruiser Question
Are you talking about the anodic trim tab used to correct steering?
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02-09-2011, 07:39
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#9
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Senior Cruiser

Join Date: Jul 2008
Location: sailing tropical waters, still southbound..with a glitch!
Boat: formosa yankee clipper 41
Posts: 11,758
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Re: Inboard / Outboard 1987 Winner with 200hp Mercruiser Question
most chandleries and online. doel fin is original .. there are knock offs also. they also can be found where you purchase engines and smaller outboard propelled boats.
goodluck.
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02-09-2011, 07:45
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#10
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Registered User
Join Date: Sep 2011
Posts: 11
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So i need to search online for dole fin?
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02-09-2011, 07:46
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#11
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Registered User
Join Date: Sep 2011
Posts: 11
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And they do help to stop porposing?
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02-09-2011, 07:53
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#12
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Registered User
Join Date: Dec 2008
Location: ontario canada
Boat: grampian 26
Posts: 1,565
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Re: Inboard / Outboard 1987 Winner with 200hp Mercruiser Question
No they are meant to correct steering bias. You might want to check your trim limit switch position in the fully down position but more experienced power boaters will chime in at some point and point you in the right direction.
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02-09-2011, 12:18
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#13
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Registered User
Join Date: Sep 2011
Posts: 11
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Thank you! Going fishing!
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02-09-2011, 16:15
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#14
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C.L.O.D.

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 23,107
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Re: Inboard / Outboard 1987 Winner with 200hp Mercruiser Question
Quote:
Originally Posted by K33pnitr3al
So i need to search online for dole fin?
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NO - I did it for you. (Post #6)
"Doel-Fin"
➥ https://www.whitworths.com.au/pdf/36533_DoelFin.pdf
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"
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