This video shows how to calculate the Center-of-Gravity (CG) of aircraft using only the weight and position of its constituent components (e.g. wing, fuselage, engines, etc.). Additionally, weight and CG related concepts are discussed.
Please note a mistake at time 11:23 in Step 3. Denominator is shown as 1400, but should be 140.
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The video uses excerpts from Dr. Gudmundsson’s textbook, “General Aviation Aircraft Design – Applied Methods and Procedures,” published by Elsevier in 2013.
The book is available from multiple outlets. Among those are:
and
http://store.elsevier.com/product.jsp?isbn=9780123973085&pagename=search