keskiviikko 5. syyskuuta 2018 8.22.14 UTC+3 2G kirjoitti:

What I know is I don't have a Kalman filter going in my head: but I do have a butt which feels vertical acceleration. If it doesn't tell me I am going up, I discount the screaming vario.

Tom

The wing transforms horizontal gust into vertical, and your butt gets it wrong.