Vetus BOW7512 - Technical Specifications; Motor and Transmission Data; Propeller and Tunnel Dimensions

20 020536.03
Operation manual and installation instructions Bow thruster 75 kgf, ø 185 mm
Technical data
Type : BOW7512 BOW7524
Electric motor
Type : reversible DC motor
Voltage : 12 V DC 24 V DC
Current : 550 A
1
) 315 A
2
)
Rated output : 4,4 kW
No. of revolutions : 2900 rpm
Rating : S2 - 2 min.
1
) S2 - 3 min.
2
)
Protection : IP20
Motors conform to CE (80/336/EEC, EMC - EN60945)
Transmission
Gears : Bevel gear
Gear ratio : 1,3 : 1
Lubrication : oilbath, approx. 0.25 litre outboard gear oil EP 90
Housing : bronze
Propeller
Diameter : 178 mm (7 ”)
No. of blades : 3
Blade area ratio Fa/F : 0.55
Profile : symmetrical
Material : polyacetal (Delrin
®
)
Rated thrust : 750 N (75 kgf, 165 lbf)
Control circuit
Fuse : 5 A
Current solenoid switches : 2,8 A 1,4 A
Control circuit wires : 1.5 mm
2
(14 AWG)
Extension cable : 6 m (20’), 10 m (33’), 16 m (53’), 18 m (59’) or 20 m (66’)
Thrust-tunnel
Steel model
dimensions : O.D. 193,7 mm, wall thickness 5,6 mm
treatment : blasted, coated with: ‘International’ Interplate NFA760/NFA761 primer
Washprimer, suitable for all kinds of protection systems.
Plastic model
dimensions : I.D. 185 mm, wall thickness 5,3 mm
material : glass fibre reinforced polyester
Aluminium model
dimensions : I.D. 185 mm, wall thickness 5,5 mm
material : aluminium, 6061T6 (AlMg1SiCu)
Weight
Excl. thrust-tunnel : 26 kg (57 lbs)
Length of usage:
1
) 2 min. continuously or max. 2 min. per hour at 550 A (12 Volt).
2
) 3 min. continuously or max. 3 min. per hour at 315 A (24 Volt).