Re: MEMS

[Brian Rauchfuss - PCD <brauchfu@pcocd2.intel.com>]

> The Navaid uses a macro-size gyro, mounted in a normal gimbal.
> 
> The problem with the cheap MEMS gyros I have looked at is poor stability 
> of their zero output.  They work well for damping rapid changes in 
> attitude (e.g., model helicopters) or for holding a heading reference 
> briefly (e.g., during a GPS dropout), but they would drift excessively 
> if used for something like a traditional gyroscopic heading indicator.
> 
> Dave DeFord

But they would be ideal for a turn-coordinator or a wing-leveler.  In that 
case all you need to know is that you are not turning.  

Brian