Air Core Electric Motors

Over the past 20 years we have developed the most advanced air core motors in the world. Striking a balance between what is possible in efficiency and commercially practical.


8 Patents & Pending Patents

Covering motor & drive

(domestic & international)

Technology Benefits

We tested our most recent motor, rated at 5 HP and 3600 RPM, against a standard name brand induction motor and made the following comparisons.

81% Weight Reduction

All in, our motor weighs 18.9 lbs. (8.6 kg).

84% Less Laminated Steel

Uses 2.7 lbs. (1.2 kg) of laminated steel.

92% Reduction in Copper

Uses 0.7 lbs (0.3 kg) of copper.

60% Smaller

Same standard shaft height, just shorter.

7% Increase in Efficiency

94.5% efficient at rated speed and load.

Standard Frame Size

NEMA 184T Frame.

Performance Comparison

Below are the results from our dynamometer efficiency tests. The Revolution motor dramatically outperforms the standard induction motor at all speeds and loads.

100% Load
75% Laod
50% Load
25% Load
5hp 3600 rpm 18 Pounds

18.9 lbs. (8.6 kg)