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Author Topic:   Trim Tabs Revisited
White Bear posted 06-15-2001 09:55 AM ET (US)   Profile for White Bear   Send Email to White Bear  
I am putting trim tabs on a 20' Outrage with a single 150HP Johnson and seem to have settled on the 12" x 12" size as the largest that is practicable. Question: Do I mount the tabs on the reinforced center portion of the transom or on the outer portion of the transom between the reinforcement bulge and the chine?
lhg posted 06-15-2001 02:03 PM ET (US)     Profile for lhg    
You want to get in touch with "the Kingfish"!
Go back and reveiw some of the lengthy threads on this subject.
White Bear posted 06-16-2001 11:42 AM ET (US)     Profile for White Bear  Send Email to White Bear     
Thanks for your input. I have reviewed the
previous threads carefully; that is why I posted my inquiry as "revisited." From what has been said before I am assuming that Kingfisher and CPD boats mount the trim tabs outboard of the reinforced center area. I have also seen the tabs mounted directly on the reinforcement so I am looking for more information from our resource bank as to the best place for my tabs.

White Bear

Peter posted 06-16-2001 11:46 AM ET (US)     Profile for Peter  Send Email to Peter     
The tabs on my 22 Revenge are mounted inboard on the reinforced part of the transom. It came that way from the former owner.
kingfish posted 06-23-2001 10:41 PM ET (US)     Profile for kingfish  Send Email to kingfish     
Most tab manufacturers and boat manufacturers will tell you and an understanding of hydrodynamics will support them, that in order to achieve maximum benefit, mount the tabs as far outboard as possible, short of the chines if your boat has them. Mounting them inboard to take advantage of the reinforced area of a Whaler's transom is like mounting training wheels on your child's bicycle right tight to the rear wheel because you couldn't lay your hands on the right wrench just then.
Peter posted 06-24-2001 10:18 AM ET (US)     Profile for Peter  Send Email to Peter     
I agree that generally speaking tabs are probably most effective mounted as far outboard as possible. However, the tabs mounted on the reinforced part, as mine are, work just fine.

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