Thread: SLIP %

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  1. 01-26-2021, 11:27 AM #1
    BULLET FAN
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    SLIP %

    I have a 21XD with a 250XS, torque master lower unit with 1:62 gears. 26 Pro max prop. What is a range of slip I should be getting?
    2005 21XD W/ 2005 MERC 250XS BULLET TOTAL PERFORMANCE BOAT!!
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  2. WVBullet
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    #2 01-26-2021, 02:25 PM
    Try Mercury’s slip calculator, Brad. Others on here seems to be gone.

    https://www.mercuryracing.com/prop-slip-calculator/

    2008 BULLET 21XD 2007 Merc 300xs

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  3. eh2000
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    #3 01-29-2021, 09:33 PM
    No clue here.

    What speed and RPM are you getting?

    1993 Bullet 20XD
    2000 Mercury ProMax 225


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  4. BULLET FAN
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    #4 01-29-2021, 10:59 PM
    2 people 3/4 tank of fuel and fishing gear. 79 most of the time rpms around 5900
    2005 21XD W/ 2005 MERC 250XS BULLET TOTAL PERFORMANCE BOAT!!
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  5. rocketmanjp
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    #5 01-30-2021, 06:52 AM
    That’s approx 12% slip.
    ‘17 Bullet 21 SDC ‘20 Merc 300R 1.60 SM 1E081012
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  6. Bullet 250
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    #6 01-30-2021, 02:51 PM
    What year motor
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  7. BULLET FAN
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    #7 01-30-2021, 10:03 PM
    Quote Originally Posted by Bullet 250 View Post
    What year motor
    2005
    2005 21XD W/ 2005 MERC 250XS BULLET TOTAL PERFORMANCE BOAT!!
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  8. jr 22
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    #8 01-31-2021, 01:18 AM
    Quote Originally Posted by BULLET FAN View Post
    I have a 21XD with a 250XS, torque master lower unit with 1:62 gears. 26 Pro max prop. What is a range of slip I should be getting?
    What propeller you running?
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  9. BULLET FAN
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    #9 01-31-2021, 02:24 AM
    26 pitch Pro Max
    2005 21XD W/ 2005 MERC 250XS BULLET TOTAL PERFORMANCE BOAT!!
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