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Thread: 1990 Team Warlock 23 Offshore - The Survivor

  1. #91
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    Quote Originally Posted by Conquistador_del_mar View Post
    Yes, I will let you know the results. By the way, did you take out the Rev 4 vent plugs or leave them in? Also, did you know they make various vent plugs with different sized holes? In my applications, I have been leaving the solid vent plugs installed as they come new from the factory. I ask because it is possible that they are adding air when you run it so near the surface if you left them out, thus creating a loose feel - just a thought.
    Yes, the Merc PVS vent system gives you all types of sizes to fiddle with. In my application I have to run all 4 vent holes open or else the boat won't come up on plane easily. I'm going to run the Rev4 again and try and get a cell phone video of the blade area water contact patch at 55mph cruise and then WOT as well. Let me know how deep your drive is and maybe you go-pro your Rev4 test.
    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  2. #92
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    Quote Originally Posted by Greg Guimond View Post
    Yes, the Merc PVS vent system gives you all types of sizes to fiddle with. In my application I have to run all 4 vent holes open or else the boat won't come up on plane easily. I'm going to run the Rev4 again and try and get a cell phone video of the blade area water contact patch at 55mph cruise and then WOT as well. Let me know how deep your drive is and maybe you go-pro your Rev4 test.
    Since I am not venting exhaust out of the props with the drives I have used the Rev 4s on, I don't understand why the plugs would ever be removed with exhaust coming out of the drive. Why does it help to get on plane with them removed if there is exhaust coming out? Does it help reduce back pressure of the exhaust gases or something else that is in play? In my case, I never go full throttle to get on plane like I did when water skiing behind my boats so there is never an issue with quickly getting up on plane - plus the boats I am running now are much heavier than the 18' Donzi that I skied behind. If I ever plan to pull skiers now, I would temporarily install a much lower pitch prop to make it easier on the skier, the drive, and the engine. Vent holes are a mystery to me - maybe you can educate me?

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  3. #93
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    Vent education on hold........

    After sneaking out yesterday afternoon with the 23 to test run a 22" PowerTech OFX-4 prop and compare it to the 23" Merc Rev4 it looked like it was going to be a great end to the July 4th weekend
    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  4. #94
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    Well not exactly. After running the Powertech OFX-4 in a variety of rough water conditions for the afternoon with incredible results, I went to find some flat water where I could run some top end tests with the prop. After that, I'm coming back toward the dock to pull the boat and swap out the OFX-4 for the Rev4 Winds were high and the current was running far stronger than normal.

    Hmmm, something does not feel right with the boats handling ............

    Approaching the dock and something AINT right with handling, bamm I hit the damn dock corner fighting the current and winds and fugh things up nicely.

    Tilt the motor up to see WTF's up Slung a blade on the PowerTech evidently at the end!
    Attached Images Attached Images
    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  5. #95
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    And this combined with a new prop and a heavy wind and current produced this nice ummmmm DENT ............
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    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  6. #96
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    Where is Mr. Carter when you need him? I will say after I pulled into the house and kicked myself in the arse numerous times, I found the blueish color and the glass layup of the Team Warlocks hullside very interesting.

    Now that is Warlock Warped
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    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  7. #97
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    That really left a mark.

    Sorry to hear about your dent.

    Ken

  8. #98
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    Thanks Ken.

    I'm actually grateful that's all that happened. If it slings that blade at WOT it might have made for another ejection into the river which didn't work out well last time. White duct tape will cure the dent until Winter
    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  9. #99
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    Very sorry to hear about the double wammy, but it could have been much worse at WOT!! The only props that I heard "sling" blades are typically the labbed props that have been thinned or extreme HP applications. Have you heard of others having any blade problems with that model Powertech prop?

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  10. #100
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    PowerTech has an excellent reputation for props but YES this particular OFX-4 had been labbed. I did not get a lot of test time with the borrowed OFX-4 before it slung the blade but what time I did get was showing me some incredible handling and lift so I will be trying another one, but bone stock this time to get a better comparison to the Rev4 from Merc.
    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  11. #101
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    Now it makes sense why it threw the blade. It sounds like you will have to get the Rev 4 a little lower in the water to have it work like they do for me, but I'll bet you would like the characteristics. Personally, I want to feel solid on the top end rather than on the edge even if I give up some top end speed - not that the Rev 4 gives up any speed. I'm too old for another 65mph body cartwheel into the drink - lol.

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  12. #102
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    Quote Originally Posted by Conquistador_del_mar View Post
    It sounds like you will have to get the Rev 4 a little lower in the water to have it work like they do for me, but I'll bet you would like the characteristics.
    Let me know how you like your Rev4 when you try it for the first time on the TW 23'
    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  13. #103
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    Quote Originally Posted by Greg Guimond View Post
    Let me know how you like your Rev4 when you try it for the first time on the TW 23'
    Yes, definitely. The first time out with the 23' I used a Mirage 25P (not Plus) which performed and acted well followed by the Raker which had odd handling characteristics. I will be surprised if the Rev 4 does not do well, but I'll put it through the testing gamut and report.
    By the way, I knew your 4 blade prop design reminded me of a line of props and it finally dawned on me - Hoss. Check them out - http://hossprops.com/Hyperdrive.html

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

  14. #104
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    Quote Originally Posted by Conquistador_del_mar View Post
    Yes, definitely. The first time out with the 23' I used a Mirage 25P (not Plus) which performed and acted well followed by the Raker which had odd handling characteristics. I will be surprised if the Rev 4 does not do well, but I'll put it through the testing gamut and report.

    By the way, I knew your 4 blade prop design reminded me of a line of props and it finally dawned on me - Hoss. Check them out - http://hossprops.com/Hyperdrive.html
    At $900 a pop it will be a long while before I try a Hoss prop!

    I have been running through all my various props (last count I have 15) on the Team Warlock 23. The Yamaha gearcase can run 1" Merc props with a different thrust washer so a lot of my Merc stuff will work. Last night I tested a 21" Trophy Plus "small" barrel with four PVS vent holes (they came with large and small barrel) on the River. It was about a (7) on a 1-10 scale. I ran 61.8mph at 6050 RPM. Not enough blade area for the torque of the 3.3L HPDI and 1.75 gears. Next ..........
    1972 16 OB - C16B-63 - "Surface Tension" Resto Project
    1974 16 OB - DMR16106017-B - "The Mule"

  15. #105
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    Greg,
    I look forward to hearing how the Rev 4 does if you drop your OB an inch or so. It sounds like it would work perfectly for you. Do you have an adjustable transom bracket to install? If not, I think I have one I could send to you.

    1971 Donzi 18' 2+3
    1985 Eliminator 23' Daytona Offshore - Kevlar hull
    1988 23' Donzi CC F-23 with 250HP EFI Mercury OB
    1989 28' Team Warlock Offshore - single 548CID/600HP
    1990 23' Warlock Offshore - single 525HP
    Bill from Denison, TX - Lake Texoma

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