The Economical Conditions for Long Flight Open PDF Document Details Document Type Technical Report Publication Date Jun 01, 1919 Accession Number ADA955838 Entities People H. Glauert Tags Communities of Interest Energy and Power Technologies DTIC Thesaurus Topics Aircrafts Airframes Airplanes Equations Flight Fuel Consumption Joule Thomson Effect Level Flight Model Tests Revolutions Slipstream Wind Wind Velocity