Q-SPD 4 Surface Drive

Name: Q-SPD 4 Surface Drive
Brand: Hypro Marine

Model Q-SPD4

Q-SPD 4 surface drives (QSPD402, QSPD450) for 750–2,240 kW per drive, max torque up to 15,000 Nm, 1170 mm max propeller; composite housing, SAF2205 shaft, Nibral rudders.

Description

The Q-SPD 4 is an integrated surface drive series for larger high-speed vessels.

Materials

Main housing: E-glass and carbon fibre in epoxy matrix
Main propeller shaft: stainless steel SAF2205
Rudders and tillers: Nibral
Thrust housing, coupling, fasteners and fittings: stainless steel 316
Shaft and rudder bearings: water-lubricated polymer
Main shaft seal: single rotary lip seal
Exhaust diameter: 304 mm (12 in) or 356 mm (14 in)

Technical data

QSPD402: 480 kg nominal weight; max torque 12,000 Nm (8,900 lbft); 750–1500 kW (1000–2000 bhp) per drive; max vessel weight 33,000 kg per drive; 102 mm (4.00 in) shaft; max propeller 1170 mm (46 in)
QSPD450: 520 kg; max torque 15,000 Nm (11,100 lbft); 1120–2240 kW (1500–3000 bhp) per drive; max vessel weight 35,000 kg per drive; 114 mm (4.50 in) shaft; max propeller 1170 mm (46 in)

Weights are nominal for the drive only, excluding propeller. Ratings are guidelines; actual limits depend on shaft speed, power-to-weight ratio, vessel speed and mission.

Specifications

Main Housing	Eglass and Carbon Fibre in Epoxy Matrix
Main Propeller Shaft	Stainless Steel SAF2205
Rudders and Tillers	Nibral
Thrust Housing and Coupling	Stainless Steel 316
Fasteners and Fittings	Stainless Steel 316
Shaft and Rudder Bearings	Water Lubricated Polymer
Main Shaft Seal Type	Single Rotary Lip Seal
Exhaust Diameter	304mm (12 inch) or 356mm (14 inch)

Models	(1) Nominal Weight	(2) Max Torque	Nomial Power Range per drive*	Nominal Max Vessel Weight per drive	Propeller Shaft Diameter	Max Prop Dia.
QSPD402	480kg 1,055lb	12,000Nm 8,900lbft	750-1500kW 1000-2000bhp	33,000kg 73,300lb	102mm 4.00 inch	1170 mm 46 inch
QSPD450	520kg 1145lb	15,000Nm 11,100lbft	1120-2240kW 1500-3000bhp	35,000kg 77,000lb	114mm 4.50 inch	1170 mm 46 inch

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Equipment

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