AlphaSim B-24 Liberator Procedures Note: Use the Fuel and Payloads feature under the Aircraft Menu to adjust fuel and payload. The 8,000 lb. bomb load is simulated by the central station load of 8,000 pounds. _____________________________________ REFERENCE SPEEDS (46,500 lbs) STALL, CLEAN 106 MPH IAS STALL, FULL FLAPS 79 MPH IAS FLAPS EXTEND MAX 155 MPH IAS GEAR EXTEND MAX 150 MPH IAS VNE (Never Exceed) 280 MPH IAS _____________________________________ ENGINE START/PRE-TAKEOFF CHECKLIST 1. Brakes SET/CHECK 2. Cowl Flaps FULLY OPEN 3. Elevator Trim SET 4. Mixture RICH 5. Propeller HIGH SPEED 6. Fuel BOTH 7. Throttle IDLE POSITION 8. Engines START IN SEQUENCE 9. Run-up 2000 RPM AND HOLD 10. Hydraulic Press CHECK WARN LIGHT OFF 11. Flaps SET AS DESIRED 12. Throttle IDLE POSITION _____________________________________ TAKEOFF (MAX WEIGHT OF 60,000 LBS) 1. Cowl Flaps 1/3 OPEN 2. Prop set to 2,700 rpm 3. Flaps 1/2 DOWN (20 DEGREES) 4. Throttle 49 in. Hg. 5. Brakes RELEASE Rotate at 130 mph IAS. Retract gear after establishing 135 mph IAS and positive rate of climb. Retract flaps before reaching 155 mph IAS. Takeoff Distance: 6,000' to clear 50' obstacle. _____________________________________ NORMAL CLIMB Cowl Flaps 1/3 OPEN Max CHT Temp 260 deg C Prop set to 2,400 rpm Throttle 42 in. Hg. Airspeed 165 mph (IAS) Fuel to 10,000' MSL 112 Gallons Distance covered 53 Naut. miles Time to 10,000' MSL 21 min. 42 sec. Average fuel burn 300 Gal/hr Fuel to 25,000' MSL 332 Gallons Distance covered 192 Naut. miles Time to 25,000' MSL 65 min. 18 sec. Average fuel burn 300 Gal/hr _____________________________________ MAXIMUM PERFORMANCE CLIMB Cowl Flaps 1/3 OPEN Max CHT Temp 260 deg C Prop set to 2,550 rpm Throttle 45.5 in. Hg. Airspeed 155 mph (IAS) Fuel to 10,000' MSL 90 Gallons Distance covered 35 Naut. miles Time to 10,000' MSL 15 min. Average fuel burn 340 Gal/hr _____________________________________ CRUISE (LOW LEVEL, BEST RANGE) Altitude 2,000' MSL Max CHT Temp 232 deg C Throttle 32 in. Hg. Prop set to 1800 rpm Fuel consumption 166 Gal/hr Airspeed (IAS) 160 mph Airspeed (True) 163 mph Economy (this setting) 0.98 miles/gallon Range (this setting) 2,940 miles Note: Range assumes a usable fuel load of 3,000 gallons, no reserve. _____________________________________ CRUISE (MID LEVEL, BEST RANGE) Altitude 10,000' MSL Max CHT Temp 232 deg C Throttle 33 in. Hg. Prop set to 1900 rpm Fuel consumption 180 Gal/hr Airspeed (IAS) 154 mph Airspeed (True) 178 mph Economy (this setting) 0.98 miles/gallon Range (this setting) 2,940 miles Note: Range assumes a usable fuel load of 3,000 gallons, no reserve. _____________________________________ CRUISE (HIGH LEVEL, BEST RANGE) Altitude 25,000' MSL Max CHT Temp 232 deg C Throttle 35.5 in. Hg. Prop set to 2100 rpm Fuel consumption 210 Gal/hr Airspeed (IAS) 150 mph Airspeed (True) 222 mph Economy (this setting) 1.05 miles/gallon Range (this setting) 3171 miles Note: Range assumes a usable fuel load of 3,000 gallons, no reserve. _____________________________________ CRUISE SETTINGS, HIGH LEVEL BOMB RUN Altitude 25,000' MSL Throttle 37.5 in. Hg. Prop set to 2100 rpm Airspeed (IAS) 160 mph _____________________________________ CRUISE SETTINGS, LOW LEVEL BOMB RUN Altitude 300' AGL Throttle 45 in. Hg. Prop set to 2500 rpm Airspeed (IAS) 225 mph _____________________________________ OPERATIONAL LIMITATIONS Takeoff/Emergency power 49 in. Hg. Rated power (1 hour) 45.5 in. Hg. Max g 3.0 g _____________________________________ PRE-LANDING CHECKLIST 1. Cowl Flaps 1/3 OPEN 2. Mixture RICH 3. Propeller HIGH SPEED 4. Fuel BOTH _____________________________________ LANDING (50% FUEL, NO AMMO) Prop set to 2,700 rpm Gear Down below 155 mph (IAS) Flaps 1/2 down at 155 mph (IAS) Flaps Fully down at 125 mph (IAS) Touchdown 95-100 mph IAS