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  1. #1

    Need some serious help - Luke Chinewalker has boarded my Sunsation

    Sunsation Aggressor Instability

    Feedback/advice appreciated.


  2. #2
    Registered Shorty's Avatar
    My Boats:
    1999 Mach1 290
    Join Date
    Apr 2001
    LOTO / Overland Park, KS
    Just out of curiosity, does that have a standard 24 degree bottom, or some combination with a pad? That's a lot of power in a light boat!

  3. #3
    Originally posted by Mach1Shorty
    Just out of curiosity, does that have a standard 24 degree bottom, or some combination with a pad? That's a lot of power in a light boat!

    24 degree, Delta pad.

  4. #4
    the force is not with you obewonkook, you must learn to dance with all those ponies and be at one with the water and the steering wheel, check your horoscope your planets may be out of alignment and scrap that 2"shorty and 4 blade, only then will the rythem of your vessel please the gods.

  5. #5
    Originally posted by Luke_Chinewalker
    ..... scrap that 2"shorty and 4 blade, only then will the rythem of your vessel please the gods.
    What's wrong with the 4 blade? I thought 3 blades were pretty much old school?

  6. #6
    Platinum Member Platinum Member Tinkerer's Avatar
    My Boats:
    2001 Daytona 26, 1992 SCARAB 34, 1989 25 Checkmate Convincer, 1977 Glastron Carlson CVX 18
    Join Date
    Jan 2002
    ALTO, MI


    The 4 blade and the shorter drive will give you more transom lift. A 3 blade prop will be faster than a 4 blade if you don't have problems with blow out. The closer you run the bullet to the surface the more transom lift you will get. With a light boat you don't need any transom lift. Try running a 3 blade and not a cleaver style since they also cause transom lift. The MIRAGE works well.
    Hey even if it ain't broke it's still fun to tinker with it.

  7. #7
    Sunsation 32
    I had a 92 Aggressor and with a labbed 25 three blade the boat ran 70 on GPS. I tried a 4 blade and got a lot of transom lift. It really screwed up the handling on the boat. A friend of mine had a 94 with approx. 500hp and nitrous. I dont remember the how fast it was, but I'm pretty sure it was in the 90's. He said the boat was stable. It had a standard bravo drive, and so did mine. I'll ask him how fast he was in that boat and get back to you. I do know that the boat had a slight hook in it and they did fix the hull before the motor went in.

  8. #8
    Mark: It isn't stated anyplace , I don't think, but we assume you have hydraulic steering ... right???

    Weight distribution can make chine walking much worse. If too much weight is on one side or the other it will make it worse. For example riding alone in the boat could make it worse than riding with someone to balance your weight.

    At what speed does the chine walking begin?

  9. #9
    Yes, it has dual ram tie-in hydraulic steering.

    Boat is 25' (really a 24'), 24 degree deadrise, delta pad, non-stepped, 7'3" beam.

    Chine walking starts exactly where I was told it would - approx 80 mph. I've been told that you can drive through it, and at 84 mph, things should settle down. Problem is, it just didn't settle down much....... but it's quite possible that this motor has more torque than others who have broken through the "chine barrier" - it hit 80 mph right at its torque peak - 4600 rpms...... 670 ft-lbs.... Not sure if that has anything to do with it or not.

  10. #10
    My Boats:
    It's how well you go fast
    Join Date
    Jun 2001
    too bad u r not in my area...i love to dial in boats!!!


    u do have full hydrulics ALL the way to the helm??..right??

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