8.3.9
Table H: New -3 steering cylinders
MAKER PART # MODEL # BORE DIA. in (mm)
SHAFT DIA. in (mm) .63 (16.0) .63 (16.0) .63 (16.0) .63 (16.0) .63 (16.0) .75 (19.1) .63 (16.0) .50 (12.7) .50 (12.7) .50 (12.7) .50 (12.7) .50 (12.7) .75 (19.1) .625 (15.9)
STROKE in (mm) 3 (76 3 (76) 7 (178) 7 (178) 7 (178) 7 (178) 7 (178) 8 (203) 8 (203) 8 (203) 8 (203) 6.5 (165)
SEAL KIT
TORQUE in-lb (Kg-m) 7177 (82.0) N/A 5025 (57.9) 5741 (66.1) 7117 (82.0) 12600 (145.5) 8853 (102.0) 7142 (82.3) N/A 7142 (82.3) N/A N/A 12600 (145.5) N/A
VOLUME cu. in (cc)
NOTES
SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar SeaStar
HC1503-3 HC5303-3 HC5312-3 HC5313-3 HC5314-3 HC5319-3 HC5326-3 HC5328-3 HC5329-3 HC5330-3 HC5331-3 HC5339-3 HC5373-3 HC5386-3
BA150-3ATM BA125-3ATM BA125-7ATM BA135-7ATM BA150-7ATM BA175-7ATM BA150-7EM 125-8EM 125-8VPEM BA125-8EMV 125-8EM 92VPS
1.50 (38.1) 1.25 (31.7) 1.25 (31.7) 1.35 (34.9) 1.50 (38.1) 1.75 (44.4) 1.50 (38.1) 1.25 (31.7) 1.25 (31.7) 1.25 (31.7) 1.25 (31.7) 1.25 (31.7) 1.75 (44.4) 1.50 (38.1)
HP6025 HP6026 HP6026 HP6025 HP6025 HP6071 HP6086 HP6087 HP6027 HP6027 HP6027 N/A HP6071 N/A
4.37 (71.6) 3.12 (51) 7.2 (118) 8.3 (136) 10.2 (167) 13.7 (225) 8.3 (136.2) 8.3 (136.2) 8.3 (136.2) 8.3 (136.2 8.3 (136.2) 6.25 (102.4) 17.7 (290.0) 10.2 (167.0)
125-6.5EM BA175-9TM 150-7EM
9 (229) 7 (178)
Table 8-9.
8.3.10
BayStar helm pumps quick reference turns chart
GOOD
OPTIMAL
BAYSTAR HELM DISPLACEMENT (in 3 /rev)
OUTBOARD CYLINDERS
1.1
1.4
DISP. (in 3 )
5.2
HC4645-3 – Single
7.17
6.6
INBOARD CYLINDERS
DISP. (in 3 )
4.8 2.5
BA125-6.25
6.7
6.1 3.2
BA100-6
3.53
Table 8-10.
8.3.11
SeaStar helm pumps quick reference turns chart
GOOD
OPTIMAL
SEASTAR HELM DISPLACEMENT (in 3 /rev)
FRONT MOUNT, OUTBOARD PIVOT CYLINDERS ***
DISP. (in 3 )
1.4 5.9 5.0 11.9
1.7 4.9 4.2
2.0 4.2
2.4
3.0
Single
8.3
3.5
2.8
3.5
Single (stroke reduced)
7.02
2.92
2.34 5.5 *
6.9
Dual ** Triple ** Quad **
16.6 24.9 33.2
9.8
8.3
8.3 *
17.8 23.7
14.6 19.5
12.5 16.6
10.4 13.8
11.1 *
INBOARD CYLINDERS
DISP. (in 3 )
5.1
4.2 4.8 6.0
3.6 4.1 5.1 6.9 6.6 8.9 9.5
BA125-7 BA135-7 BA150-7 BA175-7 BA150-9 BA175-9 BA200-7 BA200-9 BA200-11 Table 8-11.
7.2 8.2
3
2.4* 2.7* 3.4* 4.6* 4.4 * 5.9 * 6.3 *
5.9
3.4 4.3 5.7 5.5 7.4 7.9 8.9
10.2 13.7 13.1 17.7 18.9
7.3 9.8 9.4
8.1
7.7
12.6 13.5 15.2 18.6
10.4
11.1
7.1 *
21.25
12.5 15.3
10.6 13.0
26.0
10.8
8.6
* Any system using a helm greater than 2.4 in 3 /rev. and Power Assist, requires dual SPA’s in parallel. ** Displacement is total effective cylinder volume (assumes cylinders are plumbed in parallel not series). *** Includes Tournament series and -3 outboard cylinders.
8-17
EN
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