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  1. #1
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    how much rake on merc cleaver

    Would any one know how much rake the smaller mercury 13 spline cleavers to suit 40/60 hp motors have?
    thanks

  2. #2
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    try this.
    might help you find what you want to know...

    0 DEGREE SMALL HUB --
    Used on outboards and I/O's. Produced by all manufacturers. Common pitch range 8 through 13 pitch. Application:
    OMC 10 HP through 100 HP pin drive
    PJ 19 series, PJ 32 series, PJ 75 series
    2 DEGREE FORWARD RAKE --
    Usually wide blade propellers, 14 and 15" diameter. Right hand and left hand rotation. Various manufacturers. Common pitch range 14 through 22 pitch. Application:

    Volvo Penta 270 series out drives
    Volvo Penta 814629
    SMC 342 series
    5 DEGREE AFT RAKE
    -- Mercruiser Black Max Series
    48-78112-11 11 pitch
    48-78114-13 13 pitch
    6 DEGREE AFT RAKE

    -- Ellis inboards
    8 DEGREE AFT RAKE -- Used on Mercruiser wide blade propellers and Mercury outboards through 1979. Common pitch range is 11 through 23 pitch, right hand rotation. The TR215 Mercruiser III drives also have this rake, but a larger series pitch block would be used. (#150 series) Right hand and left hand rotation.
    DYMEX - Inboard blocks available.
    13X12LH 15X16RH 17X17RH 19X18RH
    14X14LH 16X15RH 18X20LH 19X21LH
    15X16LH 17X17LH 19X18LH
    10 DEGREE AFT RAKE (small hub) -- Used on various outboards such as Mercury and Yamaha through 70 HP. Very common on pontoon boats where prop has wide blade design. Pitch range is 9 through 13 pitch, right hand rotation.
    11 DEGREE AFT RAKE -- Used on outboard and I/O propellers, various manufacturers. Mercury propellers manufactured from 1979 and later, 70 HP through the wide blade Mercruisers. Pitch range is 11 through 23 pitch.
    14 DEGREE AFT RAKE -- New style Mercury outboard, with wide blade design. Propeller usually one inch in pitch than they are marked. Horse power range 35 through 70 HP. 48-816702A40 12R14
    48-816704A40 13R14
    48-816706A40 14R14
    15 DEGREE PROGRESSIVE PITCH -- Used on Mercury outboards, 35 HP through 140 HP. Usually have a 3 inch progressive pitch. Stainless steel and aluminum propellers.
    PROP NO.
    RPT NO.
    48-73132-10> 10R15PP
    48-73134-12 12R15PP
    48-73136-13 13R15PP
    48-73138-14 14R15PP
    48-77344-17 17R15PP
    48-77346-19 19R15PP
    48-77348-21 21R15PP
    16 DEGREE AFT RAKE
    -- All manufacturers. Common pitch range is 11 through 25 pitch, right hand and left hand rotation.
    BLACK MAX ALUMINUM -- Used on outboards and I/O's, 150 HP and up. Mercury, Michigan, and Propco style propellers for Black Max motors. These propellers are regressive pitched from the hub to the outer tip.
    PROP NO.

    RPT NO.

    PITCH

    RAKE

    48-78112-11

    11RBM

    11

    05 DEG

    48-78114-13

    13RBM

    13

    05 DEG

    48-78116-15

    15R11

    15

    11 DEG

    48-78118-17

    17RBMAL

    17

    16 DEG

    48-78120-19

    19RBMAL

    19

    16 DEG

    48-78122-21

    21RBMAL

    21

    16 DEG

    48-78124-23

    23R16

    23

    16 DEG

    48-78124-23

    23R11

    23

    11 DEG



    BLACK MAX STAINLESS
    -- These propellers have a higher rake design with a 3 inch progressive pitch. Mercury design used on outboards and I/O's, right hand and left hand rotation.
    PROP NO

    RPT NO.

    RAKE

    48-16312-15

    15RBM

    16 DEG

    48-16314-17

    17RBM

    18 DEG

    48-16315-17

    17LBM

    18 DEG

    48-16316-19

    19RBM

    20 DEG

    48-16317-19

    19LBM

    20 DEG

    48-16318-21

    21RBM

    20 DEG

    48-16319-21

    21LBM

    20 DEG

    48-16320-23

    23RBM

    16 DEG

    48-16321-23

    23LBM

    16 DEG



    20 DEGREE AFT RAKE
    -- Used on outboard and I/O'S, various manufacturers. OMC uses this design for aluminum, SST, and Viper props from 25 HP through the V-6 Cobra through hub exhaust. Common pitch range is 9 pitch through 23 pitch, right hand rotation, and 15 through 23 pitch , left hand rotation. This style propeller also used on the Volvo SX drives. (COBRA SERIES)
    23 DEGREE AFT RAKE -- Used on OMC 70 HP 3 cylinder, OMC V-4 and OMC V-6. This design is not as common as the 20 degree aft rake.
    NEW STYLE OMC V-4 PROPELLERS -- Introduced in the Fall of 1994. All propellers have a 14" diameter and a 2" regressive pitch. These propellers also have a high skew blade design.
    PROP NO.

    RPT NO.

    PITCH

    RAKE

    176214

    17R21 COBRA

    17

    21 DEG

    176215

    19R19 COBRA

    19

    19 DEG

    176216

    21R16 COBRA

    21

    16 DEG

    MICHIGAN REPLACEMENT PROPELLER (MRP) --
    Michigan wide blade propeller for Mercruisers. Available in aluminum and stainless steel. These propellers have a 3 degree aft rake and a 3" regressive pitch.
    PROP NO.

    DIAMETER

    PITCH

    AFT RAKE

    RPT NO.

    SMC374C

    16-0/0"

    15

    3 DEG

    15RMRP

    SMC376C

    15-3/4"

    17

    3 DEG

    17RMRP

    SMC378C

    15-1/2"

    19

    3 DEG

    19RMRP

    SMC380C

    15-1/4"

    21

    3 DEG

    21RMRP

    CHRYSLER FORCE
    -- Semi clever blade design, 2" progressive pitch and a parabolic rake of 12 to 14 degrees. Thru hub exhaust. Available in aluminum or stainless steel.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    FP692

    13-1/2

    15

    15RFORCE

    FP685

    13-1/2

    17

    17RFORCE

    FP686

    13

    19

    19RFORCE

    FP694

    12-5/8

    21

    21RFORCE

    FORCE/CHRYSLER --
    Round ear, non thru hub exhaust. These propellers have a 3" progressive pitch and a 25 degree parabolic rake. 70 HP through 140 HP, stainless steel and aluminum.
    MICH. NO.

    FORCE NO.

    DIAMETER

    RPT NO.

    SPC180

    PS623

    13-1/4

    17RSUPER

    SPC182

    PS625

    13

    19RSUPER

    SPC184

    PS526

    13

    21RSUPER



    INLINE QSS I88 --
    These propellers have a 2" progressive pitch with a 20 to 26 degree parabolic rake. Used for the 75 through 140 HP outboards.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-17314-14

    13-3/8

    14

    14RI88

    48-16986-16

    13-1/8

    16

    16RI88

    48-16988-18

    13

    18

    18RI88



    VOLVO APPLICATIONS
    VOLVO 280 & 290 SERIES -- These propellers have an extremely large blade area, with an 8 degree parabolic rake. (NO. 150 SERIES)
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

           
    16

    9

    9LPV

     
    851036-4

    16

    13

    13RPV*

    854986-7

    16

    13

    13LPV*

    872001-3

    16

    15

    15RPV*

    854987-5

    16

    15

    15LPV*

    851125-5

    15

    17

    17RPV

    851124-8

    15

    17

    17LPV

    850865-7

    15

    19

    19RPV

    850864-0

    15

    19

    19LPV

    850867-3

    15

    21

    21RPV

    850866-5

    15

    21

    21LPV

    VOLVO DUO PROPS -
    Propellers available for diesel engines (A series), and gas engines (B series).
    A SERIES
    PROP NO.

    DIAMETER

    RPT NO.

    852249

    13-5/8

    VOLVODUOA1R

    852247

    15-5/8

    VOLVODUOA1L

    854785

    13-3/4

    VOLVODUOA2R

    854775

    15-5/8

    VOLVODUOA2L

    854786

    14

    VOLVODUOA3R

    854776

    15-5/8

    VOLVODUOA3L

    852237

    14-1/8

    VOLVODUOA4R

    852235

    15-5/8

    VOLVODUOA4L

    854789

    14-1/4

    VOLVODUOA6R

    854779

    15-1/4

    VOLVODUOA6L



    B SERIES
    PROP NO.

    DIAMETER

    RPT NO.

    853621

    12-7/8

    VOLVODUOB1R

    853611

    14-1/2

    VOLVODUOB1L

    853622

    13-1/4

    VOLVODUOB2R

    853612

    14-1/2

    VOLVODUOB2L

    854832

    13-1/2

    VOLVODUOB3R

    854824

    15

    VOLVODUOB3L

    853624

    13-3/8

    VOLVODUOB4R

    853614

    14-5/8

    VOLVODUOB4L

    854834

    13

    VOLVODUOB5R

    854826

    14-1/8

    VOLVODUOB5L

    853626

    12-3/4

    VOLVODUOB6R

    853616

    13-3/4

    VOLVODUOB6L

    854836

    12-5/8

    VOLVODUOB7R

    854828

    13-3/4

    VOLVODUOB7L

    853628

    12-1/2

    VOLVODUOB8R

    853618

    13-5/8

    VOLVODUOB8L



    MIRAGE --
    Used on outboard and Bravo outdrives. Pitch range is 17 thru 25 pitch. Propellers have a parabolic rake from 14 degree (17 pitch) to 25 degree on the highest pitch.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-18278-17

    15-1/2

    17

    17RMIRAGE

    48-90159-17

    15-1/2

    17

    17LMIRAGE

    48-13700-19

    15-1/4

    19

    19RMIRAGE

    48-13701-19

    15-1/4

    19

    19LMIRAGE

    48-13702-21

    14-3/4

    21

    21RMIRAGE

    48-13703-21

    14-3/4

    21

    21LMIRAGE

    48-13704-23

    14-5/8

    23

    23RMIRAGE

    48-13705-23

    14-5/8

    23

    23LMIRAGE

    48-13706-25

    14-1/2

    25

    25RMIRAGE

    48-13707-25

    14-1/2

    25

    25LMIRAGE

    48-18280-27

    14-3/8

    27

    27RMIRAGE

    48-18281-27

    14-3/8

    27

    27LMIRAGE



    HI-5 (V-6) --
    These propellers have a 3" progressive pitch and a parabolic rake of 26 to 30 degrees. Used on V-6 outboards and Mercruiser applications.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-821154-17

    13-1/2

    17

    17RHI5

    48-815758-19

    13-1/4

    19

    19RHI5

    48-815760-21

    13-1/4

    21

    21RHI5

    48-815762-23

    13-1/4

    23

    23RHI5

    48-816374-25

    13-1/4

    25

    25RHI5

    HI-5 (V-4) --
    These propellers have a 2" progressive pitch and a parabolic rake of 30 degrees. Used on the 75 through 150 HP outboards and XR4 series.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-816612-20

    12-3/4

    20

    20RHI5

    48-815744-22

    13

    22

    22RHI5

    48-815746-24

    12-3/4

    24

    24RHI5

    48-815748-26

    12-3/4

    26

    26RHI5

    LASER --
    These propellers have a 3" progressive pitch and a parabolic rake of 20 to 23 degree aft parabolic rake. Used for the V-6 outboard and Mercruiser applications.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-11070-21

    14-1/2

    21

    21RLASER

    48-11074-23

    14-1/2

    23

    23RLASER

    48-11078-25

    14-1/2

    25

    25RLASER

    LASER II (V-6) --
    A newer version of the Laser propeller with a 4" progressive pitch and a 26 to 29 degree aft parabolic rake.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-16543-19

    14

    19

    19RLASERII

    48-16545-21

    13-7/8

    21

    21RLASERII

    48-16547-23

    13-3/4

    23

    23RLASERII

    48-16549-25

    13-3/4

    25

    25RLASERII

    48-19709-27

    13-3/4

    27

    27RLASERII

    LASER II (XR4) --
    These propellers have a small diameter thru hub barrel with a 4" progressive pitch and a 30 to 33 degree parabolic rake. Used with the XR4 series and the inline motors.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-16990-20

    13-1/4

    20

    20RLASERII

    48-16992-22

    13-1/2

    22

    22RLASERII

    48-16994-24

    13-1/2

    24

    24RLASERII

    48-16996-26

    13-1/2

    26

    26RLASERII



    TROPHY (SMALL HUB) --
    These propellers have a 4-1/4" hub size, a 2" progressive pitch and rake reading 28 to 32 degree parabolic rake.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-825934

    13-3/4

    21

    21RTROPHY SH

    48-825938

    13-3/4

    23

    23RTROPHY SH

    48-825940

    13-3/4

    24

    24RTROPHY SH

    48-825942

    13-3/4

    25

    25RTROPHY SH

    48-825944

      26

    26RTROPHY SH

    TROPHY (LARGE HUB) --
    These propellers have a 4-3/4 hub size, a 0 to 2" progressive pitch and a 28 to 32 degree parabolic rake.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-825904

    14

    21

    21RTROPHY

    48-825908

    14

    23

    23RTROPHY

    48-825910

    14

    24

    24RTROPHY

    48-825912

    14

    25

    25RTROPHY

    48-825914

    14

    26

    26RTROPHY

    TEMPEST --
    These propellers have a 2 to 3" progressive pitch and a 25 to 30 degree parabolic rake.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-825864-23

    14-1/2

    23

    23RTEMPEST

    48-825866-25

    14-1/2

    25

    25RTEMPEST

    48-825868-27

    14-1/2

    27

    27RTEMPEST

    CHOPPER --
    These propellers have an over the hub exxhaust with three lugs cast to the forward end of the hub which act as weed cutters. All propellers have a progressive pitch and a 23 to 25 degree parabolic rake. Pitches available: 18, 20, 22, 24, 26, 28, 30 RH
    EXAMPLE: RPT NO. 18RCHOPPER
    BRAVO III -- These propellers have a 2 to 4" progressive pitch and a 6 to 11 degree parabolic rake.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-823662-20

    14-2/5

    20

    20RBRIII

    48-823661-20

    16

    20

    20LBRIII

    48-823664-22

    14-1/4

    22

    22RBRIII

    48-823663-22

    15-3/4

    22

    22LBRIII

    48-823666-24

    14-1/4

    24

    24RBRIII

    48-823665-24

    15-1/2

    24

    24LBRIII

    48-823668-26

    14

    26

    26RBRIII

    48-823667-26

    15-1/4

    26

    26LBRIII

    48-823670-28

    13-3/4

    28

    28RBRIII

    48-823669-28

    15

    28

    28LBRIII

    BRAVO II --
    Available in aluminum only. These propellers have a 3 to 4" progressive pitch and an 8 to 15 degree parabolic rake. A general rule - the higher the pitch the higher the rake. A #150 series pitch block is required for these propellers.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    48-18606-11

    20

    11

    1RBRII

    48-18607-11

    20

    11

    11LBRII

    48-18608-13

    19-1/2

    13

    13RBRII

    48-18609-13

    19-1/2

    13

    13LBRII

    48-18610-15

    18-1/4

    15

    15RBRII

    48-18611-15

    18-1/4

    15

    15LBRII

    48-18612-17

    17-3/4

    17

    17RBRII

    48-18613-17

    17-3/4

    17

    17LBRII

    48-18614-19

    17-1/4

    19

    19RBRII

    48-18615-19

    17-1/4

    19

    19LBRII

    48-18616-21

    16-3/4

    21

    21RBRII

    48-18617-21

    16-3/4

    21

    21LBRII

    48-18618-23

    16-1/2

    23

    23RBRII

    48-18619-23

    16-1/2

    23

    23LBRII

    48-18620-25

    16-1/4

    25

    25RBRII

    48-18621-25

    16-1/4

    25

    25LBRII

    HIGH PERFORMANCE APPLICATIONS -- OMC

    RAKER (V-4) -- These propellers have a 2" progressive pitch and a 30 degree parabolic rake.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    394759-20

    13-1/2

    20

    20RRAKERV4

    394760-22

    13-1/2

    22

    22RRAKERV4

    RAKER (V-6) --
    These propellers have been manufactured in straight pitch and progressive pitch and a 28 to 30 degree parabolic rake.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    394752-18

    14-1/2

    18

    18RRAKERV6

    394753-20

    14-1/2

    20

    20RRAKERV6

    394754-22

    14-1/2

    22

    22RRAKERV6

    394755-24

    14-1/2

    24

    24RRAKERV6

    394756-26

    14-1/2

    26

    26RRAKERV6

    394757-28

    14-1/2

    28

    28RRAKERV6

    SHOOTER --
    These four blade stainless steel propellers have a 3" progressive pitch and a 32 degree parabolic rake.
    PROP NO.

    DIAMETER

    PITCH

    RPT NO.

    431717

    13-1/2

    23

    23RSHTR

    431718

    13-1/4

    25

    25RSHTR

    431719

    13-1/4

    27

    27RSHTR



    PRECISION TURBO --
    V-4 and V-6 propellers with a 2 to 3" progressive pitch and a 21 to 25 degree parabolic rake. The pitch blocks Rundquist manufactures for the Turbo propellers will also work to repair the majority of the Stiletto propellers.
    Rake is not the only factor that affects bow lift. I noticed the Chopper has less Rake than a Raker but I think its debatable that the Chopper has at least as much bow lift because of blade area or shape of the blade. It could also be the case that with a Chopper the boat doesnt get any tail lift from the Hub?

  3. Thanks XstreamVking, FMP thanked for this post
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  4. #3
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    There is a bit of variance in the various Merc cleavers over the years as to the rake angle. Typically they most often fall into the range of 15-20 degrees aft rake. This is a lot less than choppers, Trophy Plus, etc which are bow lifters. A cleaver is normally considered a stern lifter- or not having as much bow lift as choppers. etc.
    Doug

  5. #4
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    Not seen an aft rake merc cleaver. they must look a bit weird.

  6. #5
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    Most props have an aft rake- blades angled rearward from the hub. Forward
    raked blades are not for performance props- Doug

  7. #6
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    Thanks for the replies, I find hi rake cleavers work best on my setup.
    Would a decent prop shop be able to measure rake ?
    thanks

  8. #7
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    anyone can easy measure the rake, and if a prop shop cant then walk away to another prop shop..

    just put prop on level surface with blade facing say all the way to you right, take a picture then measure the angle.
    it realy is easy.

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