propeller question

  1. DavidJohn0391

    Advice on Props for 2007 Sea Ray 36 Sedan Bridge (gas)

    Afternoon Dear CSR Members! I am new here, but not new to boating; I need your help. I have a ‘prop pitch at 3600ft elevation’ question. I have a 2007 Sea Ray 36 Sedan Bridge with twin gas MerCruiser’s and one badly damaged prop. I need to know what props to buy for it {I have no idea what the...
  2. S

    Advise on prop selection Searay 270DA 1996 2x3.0lx

    Hello, Can somebody advise me which props should I put on the boat. Curently instaled is 14" x 19P Vengance. But needs a lot of time to start gaining speed- almost no accelaration. End speed fully loaded is 24mph it should be greater. Load capacity 2 adults (170kg )+ 2 child ( 30kg boath)...
  3. T

    2010 Sea Ray 220 Sundeck overspeed

    I tried searching the past threads but did not see anything. Just purchased a 2010 Sea Ray 220 sundeck. Noticed that the previous owner installed a 17 pitch prop instead of a 19 (standard), which I assume is to get out of the hole quicker for water sports. However, even with 3-4 people on the...
  4. C

    Sea Ray 40 Cummins QSB 380 Prop size

    Hi Everyone, I asked this on a different part of this forum, so sorry for the repeat. I have a 2007 Sea Ray Sundancer 40...great boat! It has twin Cummins QSB 380's and I have 21" dia x 23 pitch nibral props. I'm pretty sure I'm over propped as I cannot achieve max RPM @3060. In fact, I'm...
  5. K

    Do I have the correct prop?

    I have a 1986 Sea Ray Sorrento. I am trying to find out if I have the correct prop on the boat for skiing and tubing. It is a 14 X 20, 4 blade. Could anyone tell me if this is correct? We seem to be dragging when pulling out a slalom skier. Thanks!
  6. T

    1998 230 Overnighter - Loss of thrust

    I just purchased a new to me 1998 230 Overnighter with a 5.7 L 250 HP and Alpha One drive. The boat only has 250 hours on it and runs great. I had it checked out by a repuatable marine mechanic before I purchased it and had him install a new 3 blade aluminum prop 15x17 i think. I took the...
  7. C

    350 express cruiser props 1990

    Hey all I have a 1990 express cruiser with twin 454s, it will run about 23 mph on the gps at wot 4300 rpm. so I'm looking at new props as what I have are the factory 3 blade bronze props. I just got some info on some 17x16 Nibral Propellers (acme Brand I think) with .105 cup and .70DAR this is...
  8. J

    Four bladed prop or three bladed prop

    I have a 1985 sea ray boat with a 350 chev engine. What I want to know is, has anyone try a four bladed prop on their boat of the size. I want to know if they get better gas mileage with the four blade prop. thank you john:smt038
  9. C

    Do you run a stainless prop?

    How many of you are using a stainless prop? If you have one do you think it's worth the investment right away or wait till I ding the factory aluminum or skip stainless altogether. I have a '11 205 sport with 4.3 MPI. Any prop recomendations? My use is water sports and mostly wake sports. I...
  10. A

    Twin Alpha 1 prop rotation question

    Hello, I appreciate the knoledge base of your forum. I recently acquired an 89' Searay Amberjack 270' with twin 5.7 thunderbolt 350's, and like alpha ones with no props on them. Upon insecting both engines they are both standard rotation. I'm ready to buy props and need to know what set up this...
  11. rantanplan

    Which Prop schould I use on my Boat (185 Sport, 3L)

    Morning to all Sea Ray Owners! I have a question, I will replace the standard propeller (Black Max 14x19x3) on my boat with a stainless steel propeller. I have the Apollo XHS (14x19x3) envisaged. I will not burden the engine rpm (4400-4800) and throttle even more, the increase or decrease...
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