Hi,
I thought it was an issue with just the A2A P-51D but it seems to be an issue with all aircraft with props.
When on the ground it appears that half of the propellor is 'invisible' - you can't see it! Once you are off the ground it re-appears. I've tested and it seems that when you approach the ground at various angles, the prop effect somehow interacts with the ground and the ground makes the prop disappear, if that makes sense?
I'm happy to perform any tests required.
Thanks,
James