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Jan 23rd, 2013
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Stainless verses Alumimum on a Tracker #13517139 04/14/20 01:37 PM
Joined: Dec 2004
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Fish Killer Offline OP
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Have a 17'6" Tracker Crappie Pro with a 60 Hp Merc on it, beat up the prop pretty good yesterday running the river below Granbury dam. Would it be worth while to upgrade to a stainless prop? I know it makes a big difference on higher performance boats, but what advantages would it be for this boat?

Has a 14P on it now, and looks like I need a new one if anyone has one lying around. Boat jumps up on pad and goes, so I don't even know if it would be worth while trying to tweak the pitch and see if I can get any more top end.


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Re: Stainless verses Alumimum on a Tracker [Re: Fish Killer] #13517205 04/14/20 02:10 PM
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I bent the prop on my Tracker (75hp) a week or two ago. I just replaced it with a new aluminum prop like what came on it. $120.

Last edited by 603Country; 04/14/20 02:12 PM.
Re: Stainless verses Alumimum on a Tracker [Re: Fish Killer] #13517245 04/14/20 02:31 PM
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boocat Offline
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I vote for sticking with aluminum. Even though they are supposed to slip, I have had some techs tell me chances of bending a shaft are higher with stainless??

Re: Stainless verses Alumimum on a Tracker [Re: Fish Killer] #13517836 04/14/20 08:22 PM
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steve@hydrodynamics Offline
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here are the percentages

over all the years of me doing props.

you will typically repair or replace 10 alum props, vs 1 sst prop. so the numbers are on the side of the sst prop.

now, i know people say.. but an alum prop hits something your less likely to bend a prop shaft vs the sst prop.
okay... somewhat true. however... 75% of the time we hit something at idle or slow plane.. which typically wont bend a prop
shaft.... but, will bend an alum prop.
i can tell you, i've seen a bunch of bent prop shaft with alum props vs sst over my years too.

run the numbers.
1 sst prop... 250-299
10 alum props at 100.00- 150.00

which scenario do you think is best?


www.hydrodynamics-usa.com
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Re: Stainless verses Alumimum on a Tracker [Re: Fish Killer] #13517983 04/14/20 09:50 PM
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River Man Offline
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Originally Posted by Fish Killer
Have a 17'6" Tracker Crappie Pro with a 60 Hp Merc on it, beat up the prop pretty good yesterday running the river below Granbury dam. Would it be worth while to upgrade to a stainless prop? I know it makes a big difference on higher performance boats, but what advantages would it be for this boat?

Has a 14P on it now, and looks like I need a new one if anyone has one lying around. Boat jumps up on pad and goes, so I don't even know if it would be worth while trying to tweak the pitch and see if I can get any more top end.



I would buy a stainless prop and be done with it. I used to run aluminum on 25hp outboards and did ok, but on 50hp and larger, I prefer SS...

Re: Stainless verses Alumimum on a Tracker [Re: steve@hydrodynamics] #13518007 04/14/20 10:06 PM
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boocat Offline
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Originally Posted by steve@hydrodynamics
here are the percentages

over all the years of me doing props.

you will typically repair or replace 10 alum props, vs 1 sst prop. so the numbers are on the side of the sst prop.

now, i know people say.. but an alum prop hits something your less likely to bend a prop shaft vs the sst prop.
okay... somewhat true. however... 75% of the time we hit something at idle or slow plane.. which typically wont bend a prop
shaft.... but, will bend an alum prop.
i can tell you, i've seen a bunch of bent prop shaft with alum props vs sst over my years too.

run the numbers.
1 sst prop... 250-299
10 alum props at 100.00- 150.00

which scenario do you think is best?

thanks for your insight

Last edited by boocat; 04/14/20 10:07 PM.
Re: Stainless verses Alumimum on a Tracker [Re: Fish Killer] #13518039 04/14/20 10:38 PM
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boocat Offline
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So would you stick with the same size when going SS?

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