Flying Ham -like you I am concerned about the typical African 'ways'-no doubt the fact that the engine for AKD was left out in the open in the back of a vehicle without much regard for security doesn't surprise me at all.
Forget about takeoff performance charts and figures- this is all a waste of time. If the Botswana CAA conduct a thorough investigation they will use their own methods and if they don't- well hey ho as they say!
Cavorting Cheetah-dude take some English lessons-seriously! Whenever I read your posts I think you must be on some pretty strong sh*t!!