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Phone: +371 22-33-0100
Email: dotan@dotan.com
Dotan Maritime Industries Ltd.
Gailu 4a, Ulbroka, Stopini,
Latvija, LV-2130
Rudder Construction
Rudder Construction
Rudder Drawing
Rudder box 25 assembly
For Blade by thickness 25 mm
Rudder box 20 assembly
For Blade by thickness 20 mm 
Rudder box 14 assembly for Optimist
For Blade by thickness 14 mm
Rudder Description
| Part № | Description |
| Rudder assembly 25 | |
| 001 R 25 - BL1 | Rudder 25, fiberglass blade 1 |
| 002 R 25 - BL1A | Rudder 25, fiberglass blade 1A |
| 003 R 25 - BL2 | Rudder 25, fiberglass blade 2 |
| 004 R 25 - BL7 | Rudder 25, fiberglass blade 7 |
| 005 R 25 - BL/FD | Rudder 25, fiberglass blade FD |
| Rudder assembly 20 | |
| 010 R 20 - BL1 | Rudder 20, fiberglass blade 1 |
| 011 R 20 - Bl2 | Rudder 20, fiberglass blade 2 |
| Rudder assembly 14 | |
| 021 R 14-P/BL-W | Dotan's Kick-Up Rudder for Optimist, racing version, with a wooden blade, all the fittings and tiller. |
| 021 R 14-8/BL-W | Dotan's Kick-Up Rudder for Optimist, club version, with a wooden blade, all the fittings and tiller. The gudgeon have holes of 8 mm. |
| 024 R 14-P/BL-FRP | Dotan's Kick-Up Rudder for Optimist, racing version, with a fiberglass blade, all the fittings and tiller. |
| 025 R 14-8/BL-FRP | Dotan's Kick-Up Rudder for Optimist, club version, with a fiberglass blade, all the fittings and tiller. The gudgeon have holes of 8 mm. |
| 027 R14-BL CADET | Rudder 14- Cadet |
| 028 R 14-BL2 | Rudder 14/BL2 |
| Rudder Box assembly | |
| 030 RB 25/8AS | Rudder box 25/AS with holes Ø8mm |
| 030 RB 25/10AS | Rudder box 25/AS with holes Ø10mm |
| 031 RB 25/P8AS | Rudder box 25/AS with pins Ø8mm |
| 031 RB 25/P10AS | Rudder box 25/AS with pins Ø10mm |
| 032 RB 20/8AS | Rudder box 20/AS with holes Ø8mm |
| 033 RB 20/P8AS | Rudder box 20/AS with pins Ø8mm |
| 034 RB 14/P6AS | Rudder box 14/AS with pins Ø6mm |
| 035 RB 14/8AS | Rudder Box 14/AS with holes Ø8mm |
| Rudder Box | |
| 040 RB 25/8 or 10 | Rudder box 25 with holes Ø8mm or Ø10mm |
| 041 RB 25/P8 or 10 | Rudder box 25 with pin Ø8mm or Ø10mm |
| 042 RB 20/8 | Rudder box 20 with holes Ø8mm |
| 043 RB 20/P8 | Rudder box 20 with pins Ø8mm |
| 044 RB 14/P6 | Rudder box 14 with pins Ø6mm |
| 045 RB 14/8 | Rudder box 14 with holes Ø8mm |
| Tiller Housing assembly | |
| 050 TH 25AS | Tiller Housing 25 asembly |
| 051 TH 20AS | Tiller Housing 20 asembly |
| 052 TH 14AS | Tiller Housing 14 assembly |
| Blade | |
| 060 BL 25/1 | Fiberglass blade 25-1 |
| 061 BL 25/1A | Fiberglass blade 25-1A |
| 062 BL 25/2 | Fiberglass blade 25-2 |
| 063 BL 25/7 | Fiberglass blade 25-7 |
| 064 BL 25/FD | Fiberglass blade 25-FD |
| 065 BL 20/1 | Fiberglass blade 20-1 |
| 066 BL 20/2 | Fiberglass blade 20-2 |
| 067 BL 14/Q-W-PA | Wooden blade for Optimist with polyamide adapter. |
| 068 BL 14/Q-W-PC | Wooden blade for Optimist with with transparent adapter |
| 069 BL 14/Q-FRP | Fiberglass blade for Optimist |
| 070 BL 14/2 | Fiberglass blade 14-2 |
| 071 BL 14/C | BL 14/Cadet plywood |
| Gudgeon | |
| 080 G 25R/8 or Ø10 | Gudgeon R25 hole Ø8 or Ø10 |
| 081 G 25R/P8 or /P10 | Gudgeon R 25 pin Ø8 or ØP10 |
| 082 G 25/8 or Ø10 | Gudgeon 25 hole Ø8 or Ø10 |
| 083 G 25/P8 or /P10 | Gudgeon 25 pin Ø8 or ØP10 |
| 084 G 20/8 | Gudgeon 20 hole Ø8 |
| 085 G 20/P8 | Gudgeon 20 pin Ø8 |
| 086 G 20/P6 | Gudgeon 20 pin Ø6 |
| 087 G 14/8 | Gudgeon 14 hole Ø8 |
| 088 G 14/P6 | Gudgeon 14 pin Ø6 |
| Coulisse | |
| 090 C 25 | Coulisse 25 |
| 091 CB 25 | Coulisse -Bolts 25 |
| 092 CN 25 | Coulisse -Nut 25 |
| 093 C 20 | Coulisse 20 |
| 094 CB 20 | Coulisse -Bolts 20 |
| 095 CN 20 | Coulisse -Nut 20 |
| 096 C 14 | Coulisse -14 |
| Details | |
| 100 D-AD20/PA | Adapter 20 Polyamide |
| 101 D-AD20/PC | Adapter 20 Transparent |
| 102 D-L25 | Lock 25 |
| 103 D-L20 | Lock 20 |
| 104 D-ER | Elastic silicone rubber |
| 105 D-LP | Lock plate |
| 106 D-BU | Bushing |
| 107 D-EC | End cup |
| 108 D-RO | Roller |
| 109 D-RV | Rivet |
| 110 D-WA | Washer |
| Tiller | |
| 201 T-0.7 | Tiller Ø 28x1.5x0.7 m |
| 202 T-0.8 | Tiller Ø 28x1.5x0.8 m |
| 203 T-0.9 | Tiller Ø 28x1.5x0.9 m |
| 204 T-1.0 | Tiller Ø 28x1.5x1.0 m |
| 205 T-L* | Tiller Ø 28x1.5xL* m |
| Bolts | |
| 210 B-M6/53 | Bolt M 6x53+Nut Nylstop M 6 |
| 211 B-M6/45 | Bolt M 6x45+Nut Nylstop M 6 |
| 212 B-M6/40 | Bolt M 6x40+Nut Nylstop M 6 |
| 213 B-M5/20 | Bolt M 5x20+Nut Nylstop M 5 |
| 214 B-M5/16 | Bolt M 5x16+Nut Nylstop M 5 |
| 215 S-M4/12 | Screw |
RELATED PRODUCTS
Dotan`s rudder benefits
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Flick-of-the-Wrist Magic
Dotan's conceptually brilliant rudder mechanism enables you to set the blade with a simple flick of the wrist. This action takes less than a second.
Say goodbye once and for all to ropes, elastic bands, fly-nut, screw-in rudder systems and multi-step setting and lifting actions. -
Rudder Box: Constructed of Non-Corrosive
Incomparably strong and matchlessly durable, using non-corrosive, composite materials which make the Dotan rudder box more steadier against dynamic loadings than aluminum boxes. -
Rudder Blade
The rudder blade is lightweight and yet durable thanks to the integrated spar and special know-how of high-pressure technology with thermal shock.
The Dotan rudder blade's profile is designed on the basis of the STEINER and NACA 0009 hydrodynamic profile (National Advisory Committee for Aeronautics). The Dotan rudder blade's shape minimizes wave and inductive resistance (more info.) -
Rudder Adjustment
The design makes it easy to adapt the rudder box to a variety of sailing boats and catamarans. The rudder box provides the ability to adjust the distance between the gudgeons. -
Encountering obstacles
When hitting underwater obstacles such as rocks, sandbanks, jellyfish, etc., the blade automatically kicks up.
