New Owner of a 2006 226 Captiva w/ 350 Mag 300 HP - prop help

Just purchased a 2006 226 captiva- want to add a SS prop. It currently has a 19P 3 blade aluminum.

Any 226 owners like to share experiences? Also, what is a safe RPM range? 

Comments

  • mvnmvn Uxbridge, OntarioPosts: 385Member, Moderator ✭✭✭✭
    The safe rpm range will be shown on a sticker on or near your breather cover and should say something like Max WOT RPM range. What do you want to do with your 226? Watersports or cruising? If watersports, I recommend an 18" cupped 4-blade for towing. For cruising, I recommend a 19" 3 blade for mid range efficiency.

    These recommendations are made through experience.

    Mark
    Good,  fast,  cheap.... pick two. 
  • cough4452cough4452 Posts: 3Member

    I use the boat for both cruising and watersports.  I checked, I'm currently running a 21 pitch prop, I'm going to borrow a 19 ptich SS prop from a friend.  Thanks for the advice !!!

     

  • halifax212halifax212 Posts: 13Member
    I am running a 19 pitch 4 blade revolution 4. WOT with this prop for me is 4600 rpm. I am told that a 4 blade will reduce rpm by 150 vs a 3 blade design. Great hole shot, cruising, and top end(54mph gps)

    Captiva 212 - 350 mag/corsa
  • AlswaggAlswagg Posts: 372Member ✭✭✭
    Note, going to a 4 blade designed prop, can give some shifting issues.  Particulary coming out of gear.  The 4 blade props hold so much better than a 3 blade, ie 4 blades have less slippage.  Due to the 4 blade holding better, the engine must "stall" longer while shifting out of gear.  I have had a few where we had to readjust the shift spring to combat this.  Note, this is only on Alpha drives.  The 4 blade design is good, but you might have to do some unplanned adjustments also.   Al 
  • Michael TMichael T Posts: 877Member ✭✭✭✭
    I owned a 226XL but it was a B3. I have had lots of 350 Mags though both on  Alphas and Bravos. You're using a 19" pitch on a 350 Mag on a 226? Something doesn't seem right to me. What's the load and use. Or more important what's the drive ratio on that rig? As recommended by others, check the wot for that rig.  I would think a 21" pitch would be about right. I may be nuts but I think a 19" pitch (if its a 3 blade) would blow you right past your upper wot.  MT
  • cough4452cough4452 Posts: 3Member
    Thanks for the input.  When I picked up the boat (used) it had a 21p alluminum prop.  I replaced it with a 3 blade 19 pitch SS.  The RPM range should be 4800- 5200.  WOT it will exceed 5200 w/ the 19 pitch SS.  I was thinking a 4 blade 20 pitch or a 3 bade 21 SS might be the right answer.  We cruise / enjoy watersports w/ 2 - 3 adults and 2-3 kids.  I have no idea what the drive ratio would be.  I don't have a local marina that lets us "test" props.  It's can get pretty expensive "guessing" which one is correct.  I think I'll check craigslist- maybe I can find someone to swap props.
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