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Showing Visitor Messages 21 to 30 of 56
  1. goebelt
    06-08-2012 12:28 AM
    goebelt
    Hey Eric. I have an x 45 2006 with the 8.1 liter engine. It is new to me and checking into a new prop. We mostly do wakeboarding and surfing. We are in Saskatchewn Canada at elevation of 1800 to 2300 feet. Currently have a 13.5 x 19.5 not sure what the cup size is? Any advice
  2. adam9267
    10-18-2011 03:55 PM
    adam9267
    Eric,
    Looking to replace a damaged prop on my 1984 mastercraft Stars and Stripes. It has 351w ford 1.52:1 power slot 1-1/8" shaft LH rotation. Current prop was 14x18 3 balde oj. Use of boat is slalom, wakeboard, knee board and tubing. At times will fill 1500lbs of ballast. Thinking 4 blade but not shure. Also looking at strut bushing and a dripless seal.
  3. MC240
    06-19-2011 01:43 PM
    MC240
    Eric,
    My neighbor has bent his Vengence 3 blade stainless steel prop off of a Boston Whaler with 115 Mercury outboard. It is probably still an 8 0n a 1 to 10 scale. Approximately how much would it take to repair? Thanks for the help. The prop you sold me last year for my 240 maristar is working great.
  4. pmkkdx
    05-23-2011 06:49 PM
    pmkkdx
    hey Eric, need some prop advise. I have a '04 Mastercraft X2 with the Predator engine (I think, not the pretty red MCX), everything is stock as far as I can tell, bought used June 2009 with ~150 hrs, came in from out West (Nevada I think). Prop was trashed when I got boat, had rebuilt at Nettles (Austin, TX) shortly after I purchased. Time for another rebuild but not sure if repairable this go around. Just wondering what numbers should I be looking for on a new prop? currently has a 13.7x19.5 C OJ and I see from factory manual, a 14x20 was stock. We use mainly on non flow (no current) lakes in central TX. 26 y/o son semi agreesive wake boards (~22-24 mph) & surfs (9-13 mph?) both with full factory ballist, 25 y/o daughter non-aggressive wakeboards (17-20 mph), wife still loves to slalom but non-aggressive & quite a bit of low speed cruising (short stints 25-40 mph getting places when water smooth enough). Typically will have 4-8 adults on board. no perfect pass. hard to maintain a consistent speed with the more aggresive wakeboarding and often difficult to maintain surf speed that low. I believe top speed is ~47-48 mph per speedo WOT. Should I be moving to different prop size/pitch?
  5. Sawdust
    09-18-2010 10:26 PM
    Sawdust
    Eric,
    Was hoping you could help me choose a prop for my boat. I have an '83 MC Superslot. It has a Chrysler 440 in it rated at 330hp, although I'm told it actually puts out something like 430hp. It also has the powerslot trans @ 1.5 to 1. My needs are a bit different that what this boat was designed for (shows/tournaments) as I'll only be pulling one skier at a time. I think this combination is capable of swinging something pretty big but don't know where to draw the line. Looking for a decent holeshot, some speed, and something that might resemble fuel economy, relatively speaking.
  6. MC240
    08-14-2010 11:08 PM
    MC240
    Eric,
    borrowed a friends 13 LH 13 Michigan 3 blade prop and knew it did not feel right as soon as i throttled up. Ran 35mph@5300 rpms. Can you explain? Guess I am going to buy the 4 blade 13x14 force you recommended. How do I contact you to buy if I decide to bu?
  7. MC240
    08-10-2010 08:40 PM
    MC240
    Eric,
    Can you tell me what prop (4 blade) to use on the boat? Also, estimate on repairing damaged one.
  8. MC240
    08-08-2010 04:53 PM
    MC240
    Motor is 454 HO. Will brass sleeve bore piece slide off 1" shaft? I removed damaged prop in water on lift. Is the shaft have a standard taper if sleeve is removed?
  9. MC240
    07-30-2010 03:59 PM
    MC240
    Eric,
    I am looking for a new prop and repair of damaged prop. I have a 1991 240 Maristar that Has a WOT 0f 47 mph @ 4600 rpms. The damaged prop has a serial #48-18295-13. It is LH and 1"keyed shaft. Do all shafts taper down to a smaller thread? Mine goes from 1" down to approx. a 13/16" diameter thread. Can you give me a price for a 4 blade replacement and an estimate on repairing damaged one.? Boat is used for skiing and waking and pleasure riding.
  10. J NORRIS
    06-28-2010 10:57 AM
    J NORRIS
    Eric,
    I bought a prop from you late last year, I have a 2001 prostar 209 with the rtp-1 predator motor (310 hp). I have a 13x14 prop on there now, I can only turn 4500 rpms, at 41 mph WOT.
    Seems like I used to be able to turn 5000 rpms at achieve around 45-46 mph WOT. I don't know if it is the alignment holding me back or the prop. In the past I have had the prop reshaped by Conroe Marine, and the pitch may have been different. I have taken my boat back to Houston MC and they say the alignment it good. (hit a submerged log last year and needed new underwater gear, strut, prop, shaft.) The I can not turn 5000 rpms, so this leave me to believe I have 500 rpms left. What are your thoughts on this?
    Jim

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  • About EJ OJPROP
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    Propeller Monkey
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    Eric Johnson
    Johnson Propeller Co., Inc
    OJ PROPS 800-359-9730

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