Thrustmaster of Texas Equipment
L-Drive Azimuthing Thrusters Bottom Mounted
Thru-hull L-drive azimuth thrusters with vertical variable-speed electric motor input, fixed-pitch propeller, open or nozzled, 250 to 10,750 HP (180 kW to 8.0 MW) for DP vessels.
Description
Thrustmaster L-Drive azimuthing thrusters are bottom-mounted, thru-hull azimuth thrusters with fixed-pitch propellers, configured for vertical variable-speed electric motor input. They can be supplied complete with electric motors and variable frequency drives, or made to fit the flange and shaft end of a customer- or shipyard-supplied motor.
Key features
- Sizes from 250 to 10,750 HP (180 kW to 8.0 MW)
- Wide choice of reduction ratios and propeller/nozzle diameters; open propeller or nozzle
- Feedback systems interface with dynamic positioning systems; continuous azimuth at up to three revolutions per minute without returning to a home position
- Holds position within 1 m or less under DP control
Technical data (selected models)
| Model | Motor | Propeller | Thrust | Dry weight |
|---|---|---|---|---|
| TH300ML | 250 kW / 335 HP | 36 in | 46 kN | 3,400 kg |
| TH500ML | 400 kW / 536 HP | 44 in | 72 kN | 4,800 kg |
| TH1000ML | 800 kW / 1,072 HP | 57 in | 135 kN | 7,900 kg |
| TH1500ML | 1,250 kW / 1,676 HP | 78 in | 224 kN | 13,500 kg |
| TH2000ML | 1,500 kW / 2,011 HP | 83 in | 263 kN | 14,700 kg |
| TH3000ML | 2,500 kW / 3,352 HP | 105 in | 433 kN | 27,200 kg |
Applications
- Offshore supply vessels holding station alongside rigs
- Dive support and ROV support vessels requiring precise DP tracking
Specifications
| Model | Motor kW | Motor HP | Motor RPM | Propeller cm | Propeller in. | Propeller RPM | Thrust | Dry Weight kg | Dry Weight lbs. |
|---|---|---|---|---|---|---|---|---|---|
| TH300ML | 250 kW | 335 HP | 1800 RPM | 92 cm | 36 in. | 600 RPM | 46 kN | 3,400 kg | 7,495 lbs. |
| TH400ML | 300 kW | 402 HP | 1200 RPM | 107 cm | 42 in. | 545 RPM | 57 kN | 3,400 kg | 7,495 lbs. |
| TH500ML | 400 kW | 536 HP | 1200 RPM | 112 cm | 44 in. | 486 RPM | 72 kN | 4,800 kg | 10,582 lbs. |
| TH750ML | 600 kW | 804 HP | 1200 RPM | 140 cm | 55 in. | 420 RPM | 109 kN | 6,300 kg | 14,000 lbs. |
| TH1000ML | 800 kW | 1,072 HP | 1000 RPM | 145 cm | 57 in. | 432 RPM | 135 kN | 7,900 kg | 17,416 lbs. |
| TH1250ML | 1,000 kW | 1,341 HP | 1200 RPM | 175 cm | 69 in. | 358 RPM | 177 kN | 11,050 kg | 24,294 lbs. |
| TH1500ML | 1,250 kW | 1,676 HP | 900 RPM | 198 cm | 78 in. | 290 RPM | 224 kN | 13,500 kg | 29,762 lbs. |
| TH2000ML | 1,500 kW | 2,011 HP | 900 RPM | 218 cm | 83 in. | 273 RPM | 263 kN | 14,700 kg | 32,341 lbs. |
| TH2500ML | 2,000 kW | 2,682 HP | 720 RPM | 236 cm | 93 in. | 235 RPM | 344 kN | 20,000 kg | 44,092 lbs. |
| TH3000ML | 2,500 kW | 3,352 HP | 720 RPM | 266 cm | 105 in. | 220 RPM | 433 kN | 27,200 kg | 59,745 lbs. |
| TH3000ML | 2,700 kW | 3,620 HP | 720 RPM | 266 cm | 105 in. | 235 RPM | 456 kN | 27,500 kg | 60,627 lbs |
| TH4000ML | 3,000 kW | 4,023 HP | 720 RPM | 300 cm | 118 in. | 194 RPM | 529 kN | 37,000 kg | 81,570 lbs. |
| TH5000ML | 3,500 kW | 4,693 HP | 720 RPM | 335 cm | 132 in. | 177 RPM | 631 kN | 47,000 kg | 103,617 lbs. |
| TH5000ML | 3,800 kW | 5,095 HP | 720 RPM | 335 cm | 132 in. | 177 RPM | 667 kN | 47,000 kg | 103,617 lbs. |
| TH5000ML | 4,000 kW | 5,364 HP | 720 RPM | 335 cm | 132 in. | 187 RPM | 689 kN | 48,000 kg | 105,822 lbs. |
| TH6000ML | 4,200 kW | 5,632 HP | 720 RPM | 391 cm | 154 in. | 146 RPM | 789 kN | 60,000 kg | 132,277 lbs. |
| TH6000ML | 4,500 kW | 6,034 HP | 720 RPM | 391 cm | 154 in. | 153 RPM | 825 kN | 60,000 kg | 132,277 lbs. |
| TH6000ML | 5,000 kW | 6,705 HP | 720 RPM | 391 cm | 154 in. | 146 RPM | 888 kN | 63,000 kg | 138,891 lbs |
| TH6000ML | 5,500 kW | 7,375 HP | 720 RPM | 391 cm | 154 in. | 156 RPM | 945 kN | 64,000 kg | 141,096 lbs |
| TH8000ML | 6,000 kW | 8,046 HP | 720 RPM | 427 cm | 168 in. | 133 RPM | 1062 kN | 71,500 kg | 167,630 lbs. |
| TH8000ML | 6,500 kW | 8,716 HP | 720 RPM | 427 cm | 168 in. | 133 RPM | 1120 kN | 73,000 kg | 160,937 lbs. |
| TH8000ML | 7,000 kW | 9,387 HP | 720 RPM | 427 cm | 168 in. | 140 RPM | 1177 kN | 74,000 kg | 163,141 lbs. |
| TH10000ML | 7,500 kW | 10,057 HP | 720 RPM | 452 cm | 178 in. | 133 RPM | 1281 kN | 85,000 kg | 187,500 lbs. |
| TH10000ML | 8,000 kW | 10,728 HP | 720 RPM | 452 cm | 178 in. | 139 RPM | 1337 kN | 88,000 kg | 194,006 lbs. |
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