Thread: New prop needed

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  1. #1
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    New prop needed

    2010 Tracker 175 TXW with Mercury Optimax 90 currently running a QA2040X 3 blade 12 3/4" 21p prop. With 3 people all over 200 lbs, 1/2 tank of fuel and loaded with tackle trimmed out at max rpm I'm getting 40 mph. Holeshot is good but I want some more top speed what would be a good prop to get? I need to replace anyway because I hit something and tore a chunk out of it.

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    #2
    What's your accurate max rpm now?

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    #3
    About 5800 WOT trimmed to highest it will go without cavitating.

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    #4
    If you want higher top end, might try a 20-21 Laser II.

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    #5
    Those laser 2s aren't cheap, what would be a good choice if I wanted to stay with an aluminum prop.

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    #6
    With that load you are not going to get much more, even if you spend the cash for the Laser ll.

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    #7
    Quote Originally Posted by spec View Post
    With that load you are not going to get much more, even if you spend the cash for the Laser ll.
    So I should just replace it with the same thing I have already, there is no good aluminum props for around $200 that will give me better top speed? It honestly feels like the engine has more in it but the prop just doesn't load it enough.

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    #8
    Quote Originally Posted by bassfisher444 View Post
    So I should just replace it with the same thing I have already, there is no good aluminum props for around $200 that will give me better top speed? It honestly feels like the engine has more in it but the prop just doesn't load it enough.
    I missed the part about needing to replace anyway, so go with the Laser ll. Sorry

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    #9
    Quote Originally Posted by spec View Post
    I missed the part about needing to replace anyway, so go with the Laser ll. Sorry
    Where can I get a laser 2 for $200? The places I have checked they have been over twice that.

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    #10
    Quote Originally Posted by bassfisher444 View Post
    Where can I get a laser 2 for $200? The places I have checked they have been over twice that.
    Probably nowhere for $200. Get you a 19P Black Max and let her rip! Aluminum, get your revs up a bit too.

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    #12
    Quote Originally Posted by justsomeguy View Post
    Don’t think that one will work.

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    #13
    Quote Originally Posted by bshort View Post
    Probably nowhere for $200. Get you a 19P Black Max and let her rip! Aluminum, get your revs up a bit too.
    So a 19p black max will be better than the 21p I have now? I am already maxed out on the RPMs.

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    #14
    Also why won't the one on EBay work?

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    #15
    Quote Originally Posted by bassfisher444 View Post
    So a 19p black max will be better than the 21p I have now? I am already maxed out on the RPMs.
    Are you really...? The eBay prop is Lh.

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    #16
    A 20 Laser ll in "prop" forum.

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    #17
    Would I gain anything by going to a 4 blade aluminum prop?

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    #18
    Your original post stated you were looking for more top end speed, typically a 4 blade may sacrifice a little speed in favor of holeshot and mid range cruising efficiency.
    Last edited by R2Tracker; 03-31-2020 at 10:05 AM.
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    #19
    How much does the prop diameter affect performance compared to the pitch?

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    #20
    OK disregard my last post, from what I have been reading about props increasing your pitch will increase your speed as long as your engine has enough power spin it fast enough. So since I my RPMs are maxed out with a 21" pitch prop and I want more speed I should move up to a 23 pitch prop, does that sound correct?

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