<t> Hey all,<br/>
&nbsp;<br/>
I appreciate your input. Given the slowness of fixing damaged factories and the difficulty you describe to force the R&D to advance, have any of you found that spending the resources and time necessary to accomplish this in a real game is worth it?<br/>
&nbsp;<br ...

<t> I could not understand the Japanese aircraft R&D system and found only debates on how it actually worked. I therefore attempted to perform a test. I converted ALL Japanese planes to A6M5 Zekes and all engines to Nakajimas to support them. The data is shown below.<br/>
<br/>
What I found is ...