They benefit from a few examples of the temperature chart of certain words how from a datum line these have risen or sunk in the estimate of history : words such as silly, cunning, intellectual or King James on St Paul s Cathedral : amusing, awful and artificial, that is, pleasing, awe-inspiring, and skilfully done.
12.
If a general MAC is not given but a LeMAC ( leading edge mean aerodynamic chord ) and a TeMAC ( trailing edge mean aerodynamic chord ) are given ( both of which would be referenced as an arm measured out from the datum line ) then your MAC can be found by finding the difference between your LeMAC and your TeMAC.