Manual Header


  1. Name engine type and horsepower?
  2. Allison 1710 - 111 R.H. Rotation )
           1450 H.P.
               1710 - 113 L.H. Rotation )
  3. Maximum RPM and boost for take-off?
  4. 3,000 RPM 54" boost

  5. What are the relative positions of the fuel selector switches?
  6. Left is the forward switch - right is the rear

  7. Draw fuel selector switch and mark pointer position for each tank?
  8. Fuel Switches

    Stan Wood comments: The top of the selector switch is MAIN TANK. The bottom quadrant is OFF or DROP TANKS. The left quadrant is OUTER WING TANKS. The right top quadrant is CROSS FEED and the right bottom quadrant is RESERVE.

  9. Explain the reason for the red knob beside the aircraft levers and describe how it is used?
  10. Solenoid for emergency raising of u/c or if selector fails to move then roll red knob counter clockwise at same time apply selector.

  11. Explain the steps for the emergency lowering of the undercarriage?
  12. 1. Aileron boosters off.

    2. Break doors on main system if possible.

    3. Move source selector to down position and pump wheels down.

  13. Has the P.38 an emergency method for lowering flaps?
  14. No emergency system for flaps (some flap may be acquired by selecting back to main system and pumping).

  15. What are desired operating ranges of oil temperature oil pressure, fuel pressure, glycol temperature?
  16. Oil temperature (75-90) min. 40

    Oil pressure (60-70 mm. 55 (idling 15)

    Fuel pressure (16-18 mm. 12 (idling 9) 24 - 25 on emergency

    Glycol temp. (100-120) desired

  17. What are the positions of the electric pitch switches in relation to one another?
  18. Left switch is rear and right switch is forward

  19. What two.positions can these switches be put in?
  20. Automatic and manual toggling

  21. What position are they in normally?
  22. Automatic constant speed

This material is courtesy of Stan Wood WW2 P-38 Pilot in the Pacific.

More about Stan Wood and his P-38 experiances: Click Here