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Rudder Propeller

» Marine Equipment » Propulsion System » Rudder Propeller

Rudder Propeller

CATEGORY AND TAGS:
Propulsion System
enquiry
  • Specifications
  • The torque calculation and matching

Rudder and thruster in one.
Rudder propeller can steer in any direction of 360°above the water level. Provide all-around thrust.
Increase the operation flexibility of the vessel.
Installation：Well installation;Transom installation;Deck installation
Application：Large tugboat, harbor tug, drilling platform vessel, ocean engineering vessel

Type

Input power max.

Input rpm
[rpm]

Propeller rpm max.
[rpm]

Max. Dia.
[mm]

Weight[Kg]

KW

HP

No nozzle

With nozzle

No nozzle

No nozzle

SZP 5A

50

68

2400 / 2200 / 2000 / 1800

1350

450

420

65

SZP 5B

1500 / 1200 / 1000

78

SZP 8A

80

109

2200 / 2000 / 1800 / 1600

1055

580

550

115

SZP 8B

1500 / 1200 / 1000 / 900

138

SZP 10A

100

136

2200 / 2000 / 1800 / 1600

926

660

630

190

SZP 10B

1500 / 1200 / 1000 / 900

228

SZP 15A

150

204

2200 / 2000 / 1800 / 1600

764

836

800

770

280

SZP 15B

1500 / 1200 / 1000 / 900

336

SZP 20A

200

272

2000 / 1800 / 1600 / 1500

644

728

920

880

365

SZP 20B

1200 / 1000 / 900 / 800

438

SZP 25A

250

340

2000 / 1800 / 1600 / 1500

582

640

1050

1000

1170

SZP 25B

1200 / 1000 / 900 / 800

1405

SZP 30A

300

408

2000 / 1800 / 1600 / 1500

531

556

1150

1100

1370

SZP 30B

1200 / 1000 / 900 / 800

1645

SZP 35A

350

476

2000 / 1800 / 1600 / 1500

477

522.5

1230

1175

1735

SZP 35B

1200 / 1000 / 900 / 800

2082

SZP 40A

400

544

1800 / 1500 / 1200

463

489

1320

1250

2100

SZP 40B

1000 / 900 / 825 / 750 / 600

2520

SZP 50A

500

680

1800 / 1500 / 1200

413

436

1480

1400

2500

SZP 50B

1000 / 900 / 825 / 750 / 600

2750

SZP 60A

600

816

1800 / 1600 / 1500 / 1200

377

407

1620

1500

2800

SZP 60B

1000 / 900 / 825 / 750 / 600

3080

SZP 75A

750

1020

1800 / 1600 / 1500 / 1200

339

408.6

1800

1680

4500

SZP 75B

1000 / 900 / 825 / 750 / 600

4950

SZP 90A

900

1224

1800 / 1600 / 1500 / 1200

306

380

2000

1800

6000

SZP 90B

1000 / 900 / 825 / 750 / 600

6600

SZP 110A

1105

1503

1800 / 1600 / 1500 / 1200

278

360

2200

2000

7000

SZP 110B

1000 / 900 / 825 / 750 / 600

7700

SZP 130A

1325

1802

1800 / 1600 / 1500 / 1200

255

307

2400

2150

18000

SZP 130B

1000 / 900 / 825 / 750 / 600

SZP 150A

1500

2040

1800 / 1600 / 1500 / 1200

240

278

2550

2300

20000

SZP 150B

1000 / 900 / 825 / 750 / 600

SZP 170A

1765

2400

1600 / 1500 / 1200 / 1000

222

256

2750

2500

22000

SZP 170B

900 / 825 / 750 / 550

SZP 190A

1912

2600

1600 / 1500 / 1200 / 1000

210

246

2900

2600

24000

SZP 190B

900 / 825 / 750 / 550

SZP 220A

2206

3000

1600 / 1500 / 1200 / 1000

196

226

3100

2800

28000

SZP 220B

900 / 825 / 750 / 550

SZP 260A

2600

3536

1600 / 1500 / 1200 / 1000

180

213

3400

3000

41000

SZP 260B

900 / 825 / 750 / 550

SZP 300A

3000

4080

1600 / 1500 / 1200 / 1000

168

198

3650

3250

53000

SZP 300B

900 / 825 / 750 / 550

The power transmission capacity of propulsion depends on the Max input torque，the propulsion application，the prime mover type and the vessel type will affect the actual input torque，please check with us for propulsion selection
The prime mover （diesel，electrical motor or hydraulic motor ）MP(rated output torque)is vital to propulsion selection，below is the calculation formula：
Mp ≤ Sf * MR
Mp = N * 9549 / n
Sf = fz * fl * fs
Among：
Mp: Nm（Output torque of prime mover）
Sf: Rudder propeller service factors）
Mr: Nm (Max input torque of rudder propeller in Nm) N: KW（Output power of prime mover in Kw）
n: r/min (Input speed of rudder propeller in r/min)
The design torque is not the final basis of propulsion selection ，please adopt below Sf （torque safety coefficient）to calculate：
Sf=0.75: Full power continuous rating 24 hours service (container ships, push tugs)
Full power continuous rating 24 hours sevice (container ships, push tugs)
Sf=0.9: Intermittent service with eventual full load (harbor tugs, floating crane)
Intermettent service with eventual full load (harbor tugs, floating crane)
Sf=1.0: Auxiliary installations (tunnel thruster, DP-installations)
Auxiliary installations (tunnel thruster, DP-installations)
Sf‘s selection and calculation
Generally，the Sf of propulsion device meets the classification navigation specification. It should between 0.33-0.67 if Ice grade requested. For the propulsion selection with special installation requests should be determined by SJMATEK.

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