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Mirage III Stall and Spin testing

A rather nice video of a Mirage III being put through spin and stall tests:

http://www.youtube.com/watch?v=6LWvt5eoM4g

About 4 minutes 15 seconds in you can see a large spherical instrument on the top left of the instrument panel, what is it?

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By: lince - 19th September 2006 at 06:25

The Instrument was one of the many rarituies that “Plancheta” has (Mirage III) had. And well the title temembers me that stall and Mirage II were dangerous words, if you talk of vertical Stall, it was an invitation to fall like a brick.

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By: Fedaykin - 18th September 2006 at 23:23

The spherical instrument in the top left hand corner is a combined Directional indicator and Artificial Horizon. If you look very carefully you will see the top half of the sphere is blue and the bottom is brown. When not spinning, one glance should give both the aircraft attitude and magnetic bearing.

This instrument type never really caught on because of it’s pretty complex & costly mechanics(twin coupled gyro…ehhh!).

The Mirage goes round like a top but seems to come out quite reliably.

It reminded me of the “Eight Ball” used in the Apollo space capsule’s. Any other aircraft use this type of artificial horizon?

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By: FMK.6JOHN - 18th September 2006 at 20:57

How after all that can the pilot climb out stand straight and sign his name!!!!!!!.

Two minutes on a fairground ride and I am kissing the ground 😮 😮 .

John.

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By: Vega ECM - 18th September 2006 at 20:53

The spherical instrument in the top left hand corner is a combined Directional indicator and Artificial Horizon. If you look very carefully you will see the top half of the sphere is blue and the bottom is brown. When not spinning, one glance should give both the aircraft attitude and magnetic bearing.

This instrument type never really caught on because of it’s pretty complex & costly mechanics(twin coupled gyro…ehhh!).

The Mirage goes round like a top but seems to come out quite reliably.

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By: FMK.6JOHN - 18th September 2006 at 20:36

Pass the sick bag!!!! 😮 .

The instrument looks to me like an artificial horizon, it is certainly behaving like one but it has lots more markings on it (maybe for experimantal purposes), sat next to it is the accellerometer (g-meter) and below it it looks like an altmeter.

John.

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