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28 Acme props

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  • 28 Acme props


    I would like to thank you again for the time you spent talking to me on Saturday at the A.C. show.

    After speaking with you, I sent Acme an email and received an answer from a gentleman named Bill Weeks. He is quite knowledgable and after a few go rounds with engineering he came back to me with an answer of Yes, we can halp you.

    Acme is CNC machining a set of 17x20 4 blade Nibrals with a .075 cup from 19" castings for me.

    Bill had nothing but kind words to offer about you and I had to agree with him.

    I should receive the props in 6-8 weeks just in time for my spring launch. I will post again with performance results.

    Thank you again,

    Christopher Ramos
    "Pelagic" 2006 Classic 32

  • #2

    You mentioned in a prior post that we should not remove the cup in our props. Do you think that .075 of cup is enough for my new ACME 17x20 4 blades. Please let me know.

    Thanks again,

    Christopher Ramos
    "Pelagic" 2006 Classic 32


    • #3
      acme props

      Mac sent me a pair of props for my boat and rite out of the box thy were great..a very diff. feel and a lot better response .. i am toping out at 32k


      • #4
        biteme what engines are in your 28
        2004 28 VOLVO 300 DIESELS


        • #5

          315 yanmars..boat is fully loaded...tower,genset,a/c-heat..


          • #6
            biteme, what year is your boat and whats your max rpm with the boat loaded, and what size props do you have
            2004 28 VOLVO 300 DIESELS


            • #7
              boat is 2003 purchased at ny boat show in 04--3800 rpm as per eng specs and thats what it turns..dont know about the props..i had dinged the orig.set and needed a backup pair..mac sent me a set all set up for my boat..i just put them on and they ran great . the orig set are now my spares..


              • #8


                When you called Acme how did they come up with that prop configuration for you? I have a 95 28 with gas straight inboard and am looking at doing something with my props. See my post in the Mechanical Forum.



                • #9
                  Donna Marie,

                  All prop manufactureres use a little different methods for cup. The Acme is cupped in the middle of the trailing edge, not the tip. From past experience, I would say .075 is more than enough. We actually use .045 for our 35 props.