The Theory and Practice of Model Aeroplaning
CHAPTER XIII.
MODEL FLYING COMPETITIONS.
§ 1. A few general details concerning such. § 2. Aero Models Association's classification, etc. § 3. Various points to be kept in mind when competing 119
The Theory and Practice of Model Aeroplaning
MODEL FLYING COMPETITIONS.
§ 1. A few general details concerning such. § 2. Aero Models Association's classification, etc. § 3. Various points to be kept in mind when competing 119