Air Mechanic

The Senior Scout Air Mechanic Badge

 1.       Know the basic principles of operation of:
a.        Piston Engine
b.       Turbo-Jet Engine
and understand how the power of these units is adapted to propel an aircraft.
2.       Be able to recognise and name the main components, i.e. Crankshaft, piston, compressor, turbine, reduction gear. 
3.       Have a knowledge of methods used for cooling the various components, and know the reason for this cooling. 
4.       Drill and tap a hole and fit a stud in metal, or drill and ream a hole to a good finish with a hand reamer. 
5.       Show correct use of spanners, and demonstrate 2 methods of tightening and locking nuts. Understand the importance of properly locked nuts on an aero engine. 
6.       Be able to read a simple engineering drawing of not more than 4 views, properly dimensioned and projected.
Alternative
1.       Have an elementary knowledge of the principles governing the theory of flight.
2.       Drill and tap a hole and fit a stud in metal, or rivet 2 small plates together by hand.
3.       Have an elementary knowledge of aircraft controls and of the main airframe components.
4.       Have a knowledge of the approved methods of supporting, towing, picketing and ground handling of aircraft. Demonstrate aircraft marshalling signals.
5.       Show a knowledge of simple fabric repairs.
6.       Be able to read a simple engineering drawing of not more than 4 views, properly dimensioned and projected.