Brian[_1_]
March 14th 17, 07:27 PM
Was playing with an old variometer the other day, actually was looking into re-balancing the needle so it reads at 0 instead of 200ft up. As a test I put drop of water on the needle, here a youtube video of what happens..
https://youtu.be/3J76lSd68lg
Brian
https://youtu.be/3J76lSd68lg
Brian