>Brian Kraut wrote: I have two that I have adjusted to zero > then found that they were 100 FPM off later. The adjustment doesn't > really > wander much, but the needles are a bit sticky without the vibration and > changing air pressure in flight so you don't always get it right the first > time
So, would it be best to adjust while sitting still on the ground with the engine running? At least you would get the vibration which might help the sticky needle. Mark Jones (N886MJ) Wales, WI Visit my web site: www.flykr2s.com E-mail: flyk...@wi.rr.com