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Thread: how much rake on merc cleaver
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09-13-2017, 01:54 AM #1
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
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09-13-2017, 02:14 PM #2
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.
16 DEGREE AFT RAKEPROP 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
-- 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.
MICHIGAN REPLACEMENT PROPELLER (MRP) --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 wide blade propeller for Mercruisers. Available in aluminum and stainless steel. These propellers have a 3 degree aft rake and a 3" regressive pitch.
CHRYSLER FORCEPROP 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
-- 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.
FORCE/CHRYSLER --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
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)
VOLVO DUO PROPS -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
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.
HI-5 (V-4) --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
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.
LASER --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
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.
LASER II (V-6) --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
A newer version of the Laser propeller with a 4" progressive pitch and a 26 to 29 degree aft parabolic rake.
LASER II (XR4) --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
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.
TROPHY (LARGE HUB) --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
These propellers have a 4-3/4 hub size, a 0 to 2" progressive pitch and a 28 to 32 degree parabolic rake.
TEMPEST --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
These propellers have a 2 to 3" progressive pitch and a 25 to 30 degree parabolic rake.
CHOPPER --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
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.
BRAVO II --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
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.
HIGH PERFORMANCE APPLICATIONS -- OMCPROP 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
RAKER (V-4) -- These propellers have a 2" progressive pitch and a 30 degree parabolic rake.
RAKER (V-6) --PROP NO.
DIAMETER
PITCH
RPT NO.
394759-20
13-1/2
20
20RRAKERV4
394760-22
13-1/2
22
22RRAKERV4
These propellers have been manufactured in straight pitch and progressive pitch and a 28 to 30 degree parabolic rake.
SHOOTER --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
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?
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XstreamVking, FMP thanked for this postXstreamVking, FMP liked this post
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09-14-2017, 01:31 PM #35000 RPM
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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
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09-15-2017, 12:25 PM #4
Not seen an aft rake merc cleaver. they must look a bit weird.
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09-15-2017, 07:14 PM #55000 RPM
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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
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09-16-2017, 02:16 AM #6
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
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09-16-2017, 11:09 AM #7
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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