drgondog,All my stats invite you to try and test for yourself as I provide exactly what I did to get the result. Also they are based on the plane as modeled in this game, i.e. not exactly as it was in WWII.In this case:Testing Parameters:* Altitude 100-200 feet for all tests.* Droptank (if equipped) dropped on runway before take off for tests.* Plane internal fuel was 25% fuel.* Smallest gun package used in tests unless indicated otherwise.* Speed measured at edge of radar ring (some planes can go a few mph faster after radar ring).* Wep used from start if plane had it. You can set this up and check the weights for yourself or any other property you like.Please share your findings! X15