Wednesday 20 May 2009

Question time # 49

What is the meaning of these numbers ?
Where are you likely to find them ?
What sort of aircraft are you likely to find it on. (Several options).

New rules this time;

Have as many guesses as you like.
I will not be responding to any questions until Sunday.

1 comment:

  1. Firing order of a nine cylinder radial piston engine.
    On the engine data plate.
    Harvard, Beech Staggerwing, Ag Cat