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Harken Racing Winches Tech Info
harken sailboat yatch equipment
Go to: Harken Winches | Winch Use Chart | Winches Tech Info
Harken Racing Winches Technical Information
  - Quattro Racing Winches - Two & Three Speed Racing Self Tailing

Quattro: harken quattro racing winches
Part
No.
Drum Lower
Drum Upper
Base
Max Line
Fasteners
(FH)
in
mm
in
mm
in
mm
in
mm
in
mm
B40Q
5 11/16
145
3 3/16
80
7 5/16
185
-
-
5 X 1/4
5 X 6
B40STQ
6 1/16
154
3 3/16
80
7 1/2
190
1/2
12
5 X 1/4
5 X 6
B44STQ
6 7/8
174
3 5/8
92
8 7/16
214
9/16
14
5 X 5/16
5 X 8
B45STRQ
6 7/8
174
3 5/8
92
8 7/16
214
9/16
14
5 X 5/16
5 X 8
B50STRQ
7 1/2
190
4 1/2
114
8
203
9/16
14
6 X 5/16
6 X 8
     
   
 
Gear Ratio
Power Ratio
LE
Lower
LE
Upper
 
1
2
1
2
3
4
in
mm
in
mm
B40Q
1:1
6.1:1
3.5:1
21:1
6.7:1
40:1
5/8
15
2 3/4
70
B40STQ
2.2:1
6.1:1
3.5:1
21:1
6.7:1
40:1
5/8
15
2 3/4
70
B44STQ
2.5:1
8.2:1
7.3:1
23.3:1
13.8:1
44:1
3/4
20
3 3/16
80
B45STRQ
2.5:1
8.2:1
7.3:1
23.3:1
13.8:1
44:1
3/4
20
3 3/16
80
B50STRQ
3.8:1
11.4:1
10.3:1
30.4:1
17.1:1
50.7:1
1/2
13
2 9/16
65
 
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Two- & Three- Speed Self- Tailing Racing: harken racing winches
Part
No.
Drum
Base
Max Line
Line entry
height (LE)
in
mm
in
mm
in
mm
in
mm
B45.2STR
3 5/8
92
6 11/16
170
9/16
14
3 3/8
85
B40.2STR
4
102
7 1/2
190
9/16
14
3 15/16
100
B50.2STR
4 1/2
114
7 1/4
184
9/16
14
2 9/16
65
B53.2STR
4 7/16
112
8 11/16
220
9/16
14
4 3/16
105
B55.2STR
5 7/8
149
10
255
5/8
16
2 13/32
61
B55.3STR
5 7/8
149
10
255
5/8
16
2 13/32
61
B65.2STR
5 7/8
149
10
255
5/8
16
2 13/32
61
B65.3STR
5 7/8
149
10
255
5/8
16
2 13/32
61
 
 
Fasteners(FH)
Gear ratio
Power ratio
 
in
mm
1
2
3
1
2
3
B45.2STR
5 x 5/16
5 x 8
2.5:1
8.2:1
-
13.8:
44:1
-
B40.2STR
6 x 5/16
6 x 8
2.5:1
10:1
-
12:1
48:1
-
B50.2STR
6 x 5/16
6 x 8
4:1
10:1
-
20:1
50:1
-
B53.2STR
6 x 5/16
6 x 8
3:1
12:1
-
13:1
53:1
-
B55.2STR
6 x 3/16
6 x 8
4.5:1
16.2:1
-
15.2:1
55:1
-
B55.3STR
6 x 5/16
6 x 8
1:1
4.5:1
16.2:1
3.4:
15.2:1
55:1
B65.2STR
6 x 3/16
6 x 8
4.5:1
19.2:1
-
15.2:1
65:1
-
B65.3STR
6 x 5/16
6 x 8
1:1
4.5:1
19.2:1
3.4:1
15.2:1
65:1

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Harken Racing Winches

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