![Has anybody played around with something like this? I grabbed it randomly for cheap and thought it might be fun to do pre-flight calculation in an old-school way. I first have to Has anybody played around with something like this? I grabbed it randomly for cheap and thought it might be fun to do pre-flight calculation in an old-school way. I first have to](https://i.redd.it/wl2f7hbeypma1.png)
Has anybody played around with something like this? I grabbed it randomly for cheap and thought it might be fun to do pre-flight calculation in an old-school way. I first have to
![Amazon.com: E6B Aviation Round Shape Circular Flight Computer E6B Flight Computer Calculator E6B Ruler : Electronics Amazon.com: E6B Aviation Round Shape Circular Flight Computer E6B Flight Computer Calculator E6B Ruler : Electronics](https://m.media-amazon.com/images/I/61o3xeHJS6L._AC_UF894,1000_QL80_.jpg)
Amazon.com: E6B Aviation Round Shape Circular Flight Computer E6B Flight Computer Calculator E6B Ruler : Electronics
![How to Use an E6B Flight Computer for Ground Speed and Time En Route - AeroGuard Flight Training - YouTube How to Use an E6B Flight Computer for Ground Speed and Time En Route - AeroGuard Flight Training - YouTube](https://i.ytimg.com/vi/zPUKCzg8bdU/maxresdefault.jpg)