For those of you who always wanted to try out TrackIR but could never get to dishing out the money for it .. here's an alternative..

http://facetracknoir.sourceforge.net/home/default.htm

It's a FREE .. yes FREE application.

I have it installed BUT didn't get to play with it in War Thunder yet.

Here's a video tutorial on how to set it up and configure it : https://www.youtube.com/watch?v=DlQRQFFDdU0
Here's a forum thread about it : https://forum.warthunder.com/index.php?showtopic=14395

Enjoy!