(9) Operating Limits and Charts  (a) Operating Limits for Wright Engine  (K-3 thru K-8 A1rships)."See page 59.  (b) Operating Limits for  Pratt-~hitney  Engines  (K-9 and Subsequent Airships).  See page 60  (c) Power Output of Wright Engine at Sea Leveland  1500 Ft. Altitude.  See pages 61 and 62  (d) Power Output of Pratt-V>lhitney Engines at Sea  Level and 1500 ft. Altitude. See pages 63 & 64  (e) Fuel Consumption of Wright Engine.  See page 65  (f) Fuel Consumption of Pratt-Whitney Engines.  See page 66  (g) Most Economical Air Speed.  See page 67.  (h) Mechanic’s Check Chart for Pratt-Whitney  Engines.  See page 68.  -58- CAUTION: 