This is why we didn't have DIY Drones in the 1970s. (Mechanical gyro teardown)

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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Comment by Don LeRoi on July 18, 2012 at 5:52am

Right, but the question (I think) was whether there are applications where MEMs gyros won't perform as well as mechanical gyros.  And, why.

Comment by Maxime Carrier on July 18, 2012 at 1:28pm

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.

Comment by Don LeRoi on July 18, 2012 at 6:04pm

Maxime, many professionals still use them to stabilize their video and still cameras on all sorts of moving platforms.  Here's an example:

Kenyon Labs is a major supplier to the industry:




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