Not by itself. Although it is possible to approximately gauge orientation by measuring gravity it's not fine enough to stabilize something that's naturally so much unstable. Plus it would be impossible to measure yaw rates.
You'd need to be able to know exactly what forces (e.g. wind, centripetal forces, vibrations) are acting upon your craft, calculate the accelerations they generate, and subtract them from whatever the accelerometre measures. The result would be your down vector.
I'm not sure if it's even mathematically possible to get both orientation and acceleration from a single acc - I think's it's one of those A or B but not both deals.
Go get yourself three axes of gyros and put together an IMU, it'll be easier.
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You'd need to be able to know exactly what forces (e.g. wind, centripetal forces, vibrations) are acting upon your craft, calculate the accelerations they generate, and subtract them from whatever the accelerometre measures. The result would be your down vector.
I'm not sure if it's even mathematically possible to get both orientation and acceleration from a single acc - I think's it's one of those A or B but not both deals.
Go get yourself three axes of gyros and put together an IMU, it'll be easier.