I don't see the problem with 'overheating', it's just a warning let it overheat till you feel like cooling it down again.
I myself am starting to enjoy this engine managed more and more. You actually have to enter a fight with a cooled down engine so it doesn't overheat instantly when you power it up. Whistelingdeath, I can't tell but perhaps you are cruising on the edge of overheating.
About the prototype planes, I know TD doesn't want to model engine reliability because of the frustration it might evoke. But planes like the I-185 suffered so much from it in real life that IMO it just isn't right how it performes in game. Same for the ki84 C version. There are alot of 'all planes enabled' servers out there, with these types in a dominant role. Prototype planes remained in that fase because they had issues, model them
