>>7760984One part thinner to two parts paint is probably around the low end of thinner use for me. Depends on the paint though. A new bottle of Mr Paint or an old pot of Mr Surfacer have very different ideas about how much thinner they want.
>>7760986So your airbursh has rabies. That seems like it could cause issues, yes.
Deep cleaning, as has been suggested, should be a good idea.
>>7760988Yep, it's the Russian destroyer Boevoi. On the left is the Japanese battleship Mikasa.