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"Courtesy Sandia National Laboratories, SUMMiT™ Technologies, mems.sandia.gov"
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Transmission Driving "Large" Gears
Here a transmission drives two of our largest gears – each is more than a millimeter in diameter.
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Quicktime (336K)
AVI (792K)
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Transmission Driving "Large" Gears - Clip Two
The two large gears are being driven by a microengine operating at 6000 RPM. The transmission has been driven at speeds as high as 60,000 RPM.
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Quicktime (283K)
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Spring Device
Here a spring device is wound and unwound. Perhaps one day a micro-clock can be made with this type of mechanism.
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Quicktime (218K)
AVI (600K)
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Spring Device - Clip Two
In this video, the spring is wound and unwound by a microengine operating at 6000 RPM.
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Quicktime (198K)
AVI (588K)
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Linked Gears
Here, a transmission drives two linked gears while the microengine runs at 60,000 RPM.
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Quicktime (153K)
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Torque Demonstration
This is a microengine driving a gear approximately 40 times its own diameter, demonstrating the large torque it can produce.
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Quicktime (708K)
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Microengine and Gears
This microengine's drive gear is turning a 250-tooth gear more than 10X as large as itself. The speed of the drive gear is 600 RPM, and it has been operated as fast as 60,000 RPM.
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Quicktime (887K)
AVI (1483K)
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Microengine, Transmission, and Spring Device
This video pans from the microengine driving the device, through a transmission that multiplies the torque, to a spring that winds-up and drives additional gears.
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