Quote:
Originally Posted by Sidious  Everything that I have read says the aneroid wafers are "partially evacuated"
However, sources aside it doesn't matter what the pressure inside them is. As long as the entire mechanism is calibrated correctly to sense the change in pressure then it will work no matter what the pressure on the inside is. |
ok, so if I understand, partially evacuated means means vacuum
so when a fresh new altimeter comes off the factory, its vacuum. question is, where did you see this 'partially evacuated'?
edit: just searching that word with addition of altimeter I came up with this:
http://www.freepatentsonline.com/4255970.html
still looking into it.