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Help needed for VSI problem


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Bah. It's still an instrument. :P

 

It's an odd thing, really. Where is your static sensor? For the VSI to indicate a descent, the pressure on the static port has to be steadily higher than the restricted hole in the case - as when you're descending. How is your altimeter behaving?

 

Of course it could be the needle is bent or something similar. Does the indication vary at all? -300fpm when you're doing a 100fpm descent, -100 when you're climbing at 100fpm?

 

If it's been dropped, perhaps that'd do it.

 

 

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