Propeller animation

I have rotated the X-axis through 180 degrees to get opposite rotation, but it does not work.
Can somebody help please ?
The aircraft is a Shackleton built with FSDS2. It has four engines with contra-rotating props. It's a real nightmare to keep track of all the names.
Can somebody help please ?
The aircraft is a Shackleton built with FSDS2. It has four engines with contra-rotating props. It's a real nightmare to keep track of all the names.