Aero Products CR-6 Circular Wind Triangle T/S/D Computer by APR

hi guys it's Matt here from pilot practice exams comm where you can pass them after time so this is a quick video on using the Jefferson cr4 or you can use any of the similar ones doesn't have to be the cr4 on how to calculate your wind drift you were heading correction and therefore your ground speed so what we want to do is basically for the beginning policies we want to work out how far the wind is blowing us to one side which it really always is unless it's a direct headwind note our wind and also how that will affect our ground speed because that's going to affect the time intervals between each location and our fuel burn so let's take a quick look now please be a little bit forgiving with this the video is being shot upside down for me so if I do take a little while to explain it that's why so let's have a look so the outer scale the first thing you do is you set this is your true