Approximate Calculation of the Static Longitudinal Stability of Airplanes (1926)
NASA Technical Reports Server (NTRS) · leaf 23
Figs.1,2 & 3. N.A.C- A. Technical Memorandum No.38 7 … Fig.l Biplane replaced by equivalent monoplane i h 1 T / <vi l-ean chord line Fig.2 Airplane measurements and quantities required for computation. / ."lean 'jnord lira Fig.3. Airplone in steep glide.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
