The Scale Aviators
Tharwa, Canberra The National Capital of Australia
Past events @ TSA
Body of Knowledge (BOK)
TSA Pilots Area
AMA 520-A the American large model process starts at 55 lds which is around 25 kgs. The first level goes up to 77lds (35kg)
They also adopt a spped limit for their categories which is interesting.
There are some good check lists and a good section on calculating servo torque requirments.
520-A also has a interesting section on accrediting the inspectors.