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Author Topic:   prop size need quick help
Lkart67 posted 09-15-2002 10:47 AM ET (US)   Profile for Lkart67   Send Email to Lkart67  
The guy who is repowering my 1973 19'0utrage
just called and said he needs to know what prop to put on so he can finish up the job. Can any one tell me what prop to tell him so I have a starting point from which to work? He is installing a 175 Merc. short shaft. I realize there are a bunch of things that must be taken into consideration, but I need a ballpark idea for now.
Thanks in advance,
Boston Marine posted 09-15-2002 11:58 AM ET (US)     Profile for Boston Marine    
Somewhere between first and third.
I would refer him to the nearest Merc Dealer so that way it will take any liability off of you. Ballpark ideas are always bad but can you give info as to the year of Whaler and exact year and model of the engine?
Boston Marine posted 09-15-2002 12:00 PM ET (US)     Profile for Boston Marine    
Sorry, I meant just the engine year and model. I see the outrage is a 73.
Try a 14 3/4 x 21
Lkart67 posted 09-15-2002 07:53 PM ET (US)     Profile for Lkart67  Send Email to Lkart67     
Thanks for the help.


lhg posted 09-16-2002 04:12 PM ET (US)     Profile for lhg    
Mercury prop charts would indicate a 21" prop. With a hull that light and that much HP, I'd recommend a performance line SS prop, such as a Laser II. The engine should be mounted in the 3rd (middle) holes.

That thing is going to run, about 55mph if I am correct and the engine is in good shape.

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