Brushless DC Ring Motor delivers 122 kW of shaft power.

Press Release Summary:

Delivering power to weight ratio of 6.4 hp/lb, compact TG14090 allows ducted-fan to generate 600 lb of thrust, depending on fan blade design. Low profile unit provides quiet operation and low power consumption. Utilizing cantilever fan blade design, hub can be designed for either open- or closed-operation. Motor configuration weighing 25.6 lb can produce shaft output of 163 hp.


Original Press Release:

ThinGap Announces: DC Ring Motor Powers 600-lb. Thrust Ducted-Fan

VENTURA, CA - ThinGap LLC, a leader in high power density DC motors, today announced a TG14090 Brushless DC Ring Motor that delivers 122 kW of shaft power, allowing a ducted-fan to generate 600 pounds of thrust, depending on the fan blade design. The motor provides an exceptional power to weight ratio - 6.4 HP per pound; a compact package that fits the control inside the motor and low thermal load characteristics. "ThinGap's 14-inch electric ring motor allows a ducted fan to develop as much thrust as with a gas engine, which is a game-changing milestone," said Rean Pretorius, president, ThinGap, LLC. "At 6.4 HP per pound, its power to weight ratio has not been achieved by any electric motor currently in production and exceeds the aerospace engineering threshold of 5 HP per pound. The advantage is much quieter operation for stealth, and less weight, which can be critical for UAV surveillance and close support tactical applications." The TG14090 design provides a low profile platform that is quiet, cool running, and saves power. By utilizing a cantilever fan blade design, the hub can be designed for either open or closed operation. An open hub provides additional surface area that increases cooling, allowing higher input voltage and shaft output power. A closed hub design fits the control can within the hollow space of the motor for a compact and more aerodynamic package. Based on physical tests, the operating characteristics of four design configurations for the TG14090 have been calculated. The projections indicated that 70 to 122 kW of continuous shaft output power is possible. This allows a TG14090 configuration, weighing 25.6 lbs. and producing shaft output of 163 HP, to deliver 6.4 HP per pound of motor weight. For the data sheet on the commercially available TG14010 ring motor, please visit: thingap.com/pdf/tg14010ds.pdf For more information, please visit www.ThinGap.com. About ThinGap LLC ThinGap designs and manufactures an innovative line of standard and custom brushless and brush motors. Applications include those that require high power, efficient, low weight and small package size. The technology helps OEM's innovate more responsive, controllable and precise products not possible with the use of conventional motors. ThinGap has been granted seven patents and has thirteen patents pending. The technology allows high copper-packing density and higher copper-to-total stator-volume ratio than motors with conventional wire windings. By replacing the iron core/laminations and wire windings used by conventional motors with a precision thin copper sheet, the motors provide higher power-to-weight ratios, a wider range of speed and torque capabilities, improved heat dissipation and lower electrical resistance. For more information, please visit: www.thingap.com

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