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Default Prop clearance specs?

On 14 May 2007 08:18:41 -0700, Chuck Gould wrote:


You might want to consider reducing your trial and error process time
by visiting the Michigan Wheel site and supplying the particulars of
your specific boat. That will let you know what Michigan Wheel would
recommend, and they likely know more about what prop is ideal for your
specific setup than even most knowledgeable prop shops.




I *have* used that -- it says a 14.5x21 is what I need - however, it doesn't ask
me anything about my current performance, unlike the mercury prop site.

Anyway; -- I can't find a 14.5" x 17 prop that is a good performer -- I'm
getting ready to buy a 15x17 prop and have the blades shaved down a 1/4 inch...


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Default Prop clearance specs?

On May 15, 9:04 am, Josh Assing wrote:
On 14 May 2007 08:18:41 -0700, Chuck Gould wrote:

You might want to consider reducing your trial and error process time
by visiting the Michigan Wheel site and supplying the particulars of
your specific boat. That will let you know what Michigan Wheel would
recommend, and they likely know more about what prop is ideal for your
specific setup than even most knowledgeable prop shops.


I *have* used that -- it says a 14.5x21 is what I need - however, it doesn't ask
me anything about my current performance, unlike the mercury prop site.

Anyway; -- I can't find a 14.5" x 17 prop that is a good performer -- I'm
getting ready to buy a 15x17 prop and have the blades shaved down a 1/4 inch...


You can't find a 14 or 14.5 by 17 prop???? That's a little hard to
believe.

Doing anything to an ss prop with be about $150. I think you ought to
look a little harder for the right prop to start with.

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Default Prop clearance specs?

On May 16, 7:55 am, jamesgangnc wrote:
On May 15, 9:04 am, Josh Assing wrote:

On 14 May 2007 08:18:41 -0700, Chuck Gould wrote:


You might want to consider reducing your trial and error process time
by visiting the Michigan Wheel site and supplying the particulars of
your specific boat. That will let you know what Michigan Wheel would
recommend, and they likely know more about what prop is ideal for your
specific setup than even most knowledgeable prop shops.


I *have* used that -- it says a 14.5x21 is what I need - however, it doesn't ask
me anything about my current performance, unlike the mercury prop site.


Anyway; -- I can't find a 14.5" x 17 prop that is a good performer -- I'm
getting ready to buy a 15x17 prop and have the blades shaved down a 1/4 inch...


You can't find a 14 or 14.5 by 17 prop???? That's a little hard to
believe.

Doing anything to an ss prop with be about $150. I think you ought to
look a little harder for the right prop to start with.


Just out of curiosity. What rpm are you turning at wot with the prop
you have? And what engine do you have?

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Default Prop clearance specs?

Just out of curiosity. What rpm are you turning at wot with the prop
you have? And what engine do you have?


4100 RPM -- should be 4400-4600
That's in a PERFECT day.. flat water, no weight, etc etc etc.
Hole shot sucks.

5.7 gm based mercruiser (350ci) Alpha1 1.47ratio, 19" pitch 3 blade

Regarding the prop -- yes; I can find a 14" 17pitch prop; but they're on the
cheaper side of performance... When I get into 4 blades, they seem to get bigger
as the pitch is decreased.

I'm sure I'll find it.. the prop shop said they wouldn't charge me much to take
some off the edge if I need them to; so I'll probably go with an aluminum and
have them shave it if needed.

-j

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