Q-SPD 2 Surface Drive

The Q-SPD 2 is an integrated surface drive series for high-performance recreational boats, workboats and commercial vessels. All critical mechanics are located inboard, protected from the environment. It is offered in three power ratings for engines from 450 hp to over 1500 hp.

Key features

• Water-cooled, oil-lubricated thrust bearing
• Exhaust provisions with optional flange fittings
• Supplied with intermediate shaft, a custom propeller specified by Q-SPD, and manual or power steering to suit the vessel

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: 204 mm (8 in) or 254 mm (10 in)

Technical data

• QSPD220: 180 kg; max torque 4,200 Nm (3,094 lbft); 450–660 kW (600–800 hp) per drive; max vessel weight 11,000 kg per drive; 70 mm (2.75 in) shaft; max propeller 815 mm (32 in)
• 76 mm shaft version: 190 kg; max torque 5,200 Nm (3,830 lbft); 520–900 kW (700–1200 hp); max vessel weight 11,000 kg; 76 mm (3.00 in) shaft; max propeller 815 mm (32 in)
• 82 mm shaft version: 220 kg; max torque 5,800 Nm (4,275 lbft); 600–1120 kW (800–1500 hp); max vessel weight 12,000 kg; 82 mm (3.25 in) shaft; max propeller 815 mm (32 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.