Just look at the complexity (and size/weight) of this mechanical gyro! Now that functionality (times nine--three gyros, three accelerometers, three magnetometers) is performed by a $15 chip smaller than your fingernail.
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Maxime, many professionals still use them to stabilize their video and still cameras on all sorts of moving platforms. Here's an example:
http://www.heliphoto.net/services-video.php
Kenyon Labs is a major supplier to the industry:
http://www.ken-lab.com/
Thanks for your response Don. I read somewhere that ISS still use mechanical gyro (maybe because of old conception, I don't know what about recent satellite). So I means imagine saved weight on modern air/spacecraft, just amazing.
Right, but the question (I think) was whether there are applications where MEMs gyros won't perform as well as mechanical gyros. And, why.
Don, it's not *that* type of gyro.
The spinning mass of a mechanical gyro resists movement of the object to which it is attached. Its response is instantaneous. A MEMs gyro simply provides the information to a stabilization system that then has to react to that information.
Do you know why ?
Yes, stabilizing a camera.
Is there anything where MEMs underperform comparing to mechanical gyro ?
Is there any reason to still use mech gyro for some specific application ?
It got us to the moon.
I love it, the old F-16 use to have a mechanical one too...imagine that!
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