Propulsion
Motors
 

 

Diesel-Electric
Marine Propulsion
Systems and Accessories

 

OSSA POWERLITE®
Synchronous Permanent Magnet Propulsion Motors
 

 

 

 


OSSA Powerlite® propulsion motors are the result of over 14 years of research in advanced permanent magnet motor technology by our parent company, Glacier Bay, Inc..  They have been developed specifically for use in yacht propulsion and do not require the use of a transmission or other gear reduction.  Furthermore, they are available in a wide power range (20 hp - 800 hp) which eliminates need to use multiple motors and controllers on a single shaft to obtain the high power required for larger vessels.  The motors have a flat torque curve, developing the rated torque from startup to maximum RPM.  With efficiencies reaching 98.9%, OSSA Powerlite motors are among the most energy efficient rotating machines in the world.

Of course, any brushless DC motor is only as good as the the electronic controller which powers it.  We are one of the few motor manufacturers to also design and build our own motor controllers.  Since 1999, Glacier Bay has developed advanced BLDC motor controllers for the Defense Advanced Research Projects Agency (DARPA), Westinghouse, Northrop-Grumman, United Defense, Tecumseh Products and other high technology companies and governmental institutions.   All OSSA Powerlite propulsion motor controllers use Digital Signal Processors (DSPs) to implement a space-vector commutation control strategy.  Space-vector control represents the leading edge of motor control technology and has the advantage of maximizing motor torque and efficiency while minimizing acoustical noise.

OSSA Powerlite motor stators are hand-wound and individually tested before being 100% encapsulated in ceramic-epoxy.   This encapsulation ensures that your motor will retain its high electrical integrity in every possible environment.  This is just one of the differences in a motor that is designed from the ground-up to be at sea.

As part of the OSSA Powerlite family, our propulsion motors and controllers have been carefully designed to seamless integrate with all the other components in your OSSA Powerlite diesel-electric system through the OSSA-CAN communication network.  Using our touch-screen displays and helm controls, you'll have detailed information and control capability available at your fingertips - anywhere on the vessel.
 

 
 
 
 
Standard Motor Specifications
(Includes integral torque vector controller.  Custom motors are also available)
Continuous Output
Horsepower (kW)
Torque
lb-ft (Nm)
Peak
RPM
Voltage
(DC)
Dimensions
(HxWxL in inches)
Weight
lb (kg)
20  (15)95  (129)1,10012014x17x13 (drawing)146  (66)
35  (26)167  (226)1,10024014x17x13 (drawing)162  (74)
35  (26)102  (138)1,80024014x17x13 (drawing)162  (74)
70  (52)334  (453)1,100240 315  (143)
70  (52)204  (277)1,800500 288  (131)
100  (75)477  (647)1,100240 426  (194)
134  (100)472  (640)1,50075023x15x21 (drawing)508  (231)
150  (112)716  (971)1,100800 832  (378)
200  (150)2,626  (3,560)400800 1740  (791)
250  (186)1,194  (1,619)1,100800 918  (417)
400  (300)1,910  (2,590)1,100800 1,044  (475)
600  (448)2,865  (3,884)1,100800 1,491  (678)
800  (597)3,820  (5,179)1,10080029x31x40 (drawing)1,740  (791)

 Note:  Specifications are subject to change.

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