L-Drive Azimuthing Thrusters Bottom Mounted

Name: L-Drive Azimuthing Thrusters Bottom Mounted
Brand: Thrustmaster of Texas

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)

|---|---|---|---|---|

| 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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