10. ENGINE OPERATING LIMITS   Previous Main page

Lockheed 1049G/C121G Super Constellation
Operations Manual Synopsis

Gauge Markings (Section V, pages 5-1 to 5-16)
RPM Band Explanation
1600 to 2500 blue Auto/manual lean
2500 to 2600 green Auto-rich required
2900 red line Maximum
 
MAP In. Hg.    
20 to 43 blue Auto/manual lean
43 to 52 green Auto-rich required
59.5 red line Maximum
 
BMEP    
277 red line Maximum
 
CHT °C    
+145 to 215 blue Auto/manual lean
+215 to 245 green Auto-rich required
+260 red line Maximum
 
Carb Air °C    
+30 red line Maximum low blower, carb heat applied
+22 red line Maximum high blower, carb heat applied
+15 to +30 green Normal
-10 to +15 yellow Danger of ice
 
Oil Inlet °C    
+70 to +85 green Continuous operation
+40 red line Minimum operating temp.
+104 red line Maximum operating temp.
 
Oil Pressure psi    
65 to 90 green Continuous operation
65 red line Minimum operating pressure
100 red line Maximum operating pressure
 
Fuel Pressure psi    
24 to 28 green Normal
19 red line Minimum for flight
35 red line Maximum for flight
 
IAS in Kts    
155 yellow line Maximum for 100% flaps
295 red line Maximum permissible airspeed

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