Nice!
But where I was impressed was by this!
DB-601 Engine sound simulator
for electric R/C planes
http://www.youtube.com/watch?v=7zAC_a4Gdcc&NR=1
Awesome
And this is how the sound system looks like:
http://www.youtube.com/watch?v=T3NQh...eature=related
300US$ for a sound system is a bit on the heavy side but, I decided BEFORE I spend money on a TrackIR5 (in order to get rid of this stupid "no gunsight" side view on the Bf109), I will buy one of these and connect it to my throttle