1. Utilizing your notes and past knowledge answer the following questions: 1) Engine oil provides several important functions what are they? 2) What does the oil pressure gauge provide and in what unit of measurement? 3) Unlike oil pressure temperature changes occur how often? 4) What could be some causes of high oil temperature? 5) Where might we find the correct information for the type and weight of oil to use? Warm-Up – 1/27 – 10 minutes

2. Questions / Comments

3. Utilizing your notes and past knowledge answer the following questions: 1) Engine oil provides several important functions what are they? 2) What does the oil pressure gauge provide and in what unit of measurement? 3) Unlike oil pressure temperature changes occur how often? 4) What could be some causes of high oil temperature? 5) Where might we find the correct information for the type and weight of oil to use? Warm-Up – 1/27 – 10 minutes

4. Aircraft Systems Oil Systems The engine oil system performs several important functions: Lubrication of the engine’s moving parts Cooling of the engine by reducing friction Removing heat from the cylinders Providing a seal between the cylinder walls and pistons Carrying away contaminants

5. Utilizing your notes and past knowledge answer the following questions: 1) Engine oil provides several important functions what are they? 2) What does the oil pressure gauge provide and in what unit of measurement? 3) Unlike oil pressure temperature changes occur how often? 4) What could be some causes of high oil temperature? 5) Where might we find the correct information for the type and weight of oil to use? Warm-Up – 1/27 – 10 minutes

6. Aircraft Systems Oil Systems The oil pressure gauge provides a direct indication of the oil system operation. It ensures the pressure in pounds per square inch (psi) of the oil supplied to the engine.

7. Utilizing your notes and past knowledge answer the following questions: 1) Engine oil provides several important functions what are they? 2) What does the oil pressure gauge provide and in what unit of measurement? 3) Unlike oil pressure temperature changes occur how often? 4) What could be some causes of high oil temperature? 5) Where might we find the correct information for the type and weight of oil to use? Warm-Up – 1/27 – 10 minutes

8. Aircraft Systems Oil Systems Unlike oil pressure, changes in oil temperature occur more slowly. This is particularly noticeable after starting a cold engine, when it may take several minutes or longer for the gauge to show any increase in oil temperature.

9. Utilizing your notes and past knowledge answer the following questions: 1) Engine oil provides several important functions what are they? 2) What does the oil pressure gauge provide and in what unit of measurement? 3) Unlike oil pressure temperature changes occur how often? 4) What could be some causes of high oil temperature? 5) Where might we find the correct information for the type and weight of oil to use? Warm-Up – 1/27 – 10 minutes

10. Aircraft Systems Oil Systems High oil temperature indications may signal a plugged oil line, a low oil quantity, a blocked oil cooler, or a defective temperature gauge. Low oil temperature indications may signal improper oil viscosity during cold weather operations.

11. Utilizing your notes and past knowledge answer the following questions: 1) Engine oil provides several important functions what are they? 2) What does the oil pressure gauge provide and in what unit of measurement? 3) Unlike oil pressure temperature changes occur how often? 4) What could be some causes of high oil temperature? 5) Where might we find the correct information for the type and weight of oil to use? Warm-Up – 1/27 – 10 minutes

12. Aircraft Systems Oil Systems The oil filler cap and dipstick (for measuring the oil quantity) are usually accessible through a panel in the engine cowling. Placards near the access panel provide information about the correct oil type and weight, as well as the minimum and maximum oil quantity.

13. Questions / Comments

14.  January 27 1894 — Capt. B. F. S. Baden-Powel (the brother of the first Chief Boy Scout) makes a kite ascent from Pirbright Army Camp, England in what appears to be the first use of man-carrying kites outside China. THIS DAY IN AVIATION

15.  January 27 1942 — First Japanese warship sunk by a United States submarine.. THIS DAY IN AVIATION

16.  January 27 1967 — Astronauts Grissom, Chafee and White are killed in Apollo 1 fire. THIS DAY IN AVIATION

17.  January 27 2002 — Boeing's 737, the world's most widely use twin jet, becomes the first jetliner in history to amass more than 100 million flying hours. The 737 was launched onto the market in 1965. THIS DAY IN AVIATION

18. Questions / Comments

19. SUNDAYMONDAYTUESDAYWEDNESDAYTHURSDAYFRIDAYSATURDAY 123 45 Chapter 6 Powerplants 67 Chapter 6 Propellers 89 Chapter 6 Induction / Carb Systems 10 111213 Chapter 6 Carb Icing and Heating 1415 Chap 6 Test 1 st Semester 2 nd Quarter Ends Grades Due 16 NO SCHOOL 17 1819 NO SCHOOL 2021 Chapter 6 Ignition Systems 2223 Chapter 6 Oil Systems 24 252627 Chapter 6 Exhaust Starter Systems 2829 Chapter 6 Electrical Systems 3031 January 2015

20. Questions / Comments

21. 3 rd Semester Requirements (20 Class Meetings) All students will complete the following: Take notes - All In class quizzes and tests Complete Flight Sim. Student Pilot Syllabus Lessons 1 – 7 (Straight & Level Flight through First Solo) Must pass written with 80% Successfully complete 3 times on small sim Successfully complete 1 time on Main sim Complete ERAU Aviation 101 9 quizzes and 3 tests (Kut, Falcon, Not So Lonely & Relative Wind – only completers) Student will receive zero points for all incomplete work

22. Chapter 6 – Aircraft Systems FAA – Pilot’s Handbook of Aeronautical Knowledge

23.  Mission:  Identify in writing the primary systems found on most aircraft.  Describe the basic operation and characteristics of the primary aircraft systems.  EQ: Describe the importance of Aeronautical Knowledge for the student pilot learning to fly. Today’s Mission Requirements

24. Aircraft Systems Engine Cooling Systems The burning fuel within the cylinders produces intense heat, most of which is expelled through the exhaust system. Much of the remaining heat must be removed, or at least dissipated, to prevent the engine from overheating.

25. Aircraft Systems Engine Cooling Systems The extremely high engine temperatures can lead to loss of power, excessive oil consumption, detonation, and serious engine damage.

26. Aircraft Systems Engine Cooling Systems While the oil system is vital to the internal cooling of the engine, an additional method of cooling is necessary for the engine’s external surface. Most small aircraft are air cooled, although some are liquid cooled.

27. Aircraft Systems Engine Cooling Systems Air cooling is accomplished by air flowing into the engine compartment through openings in front of the engine cowling. Baffles route this air over fins attached to the engine cylinders, and other parts of the engine, where the air absorbs the engine heat.

28. Aircraft Systems Engine Cooling Systems The outside air enters the engine compartment through an inlet behind the propeller hub. Baffles direct it to the hottest parts of the engine, primarily the cylinders, which have fins that increase the area exposed to the airflow.

29. Aircraft Systems Engine Cooling Systems The air cooling system is less effective during ground operations, takeoffs, go- arounds, and other periods of high-power, low-airspeed operation. High-speed descents provide excess air and can shock cool the engine, subjecting it to abrupt temperature fluctuations.

30. Aircraft Systems Engine Cooling Systems Operating the engine at higher than its designed temperature can cause loss of power, excessive oil consumption, and detonation. It will also lead to serious permanent damage.

31. Aircraft Systems Engine Cooling Systems Monitoring the flight deck engine temperature instruments will aid in avoiding high operating temperature.

32. Aircraft Systems Engine Cooling Systems Under normal operating conditions in aircraft not equipped with cowl flaps, the engine temperature can be controlled by changing the airspeed or the power output of the engine. High engine temperatures can be decreased by increasing the airspeed and/or reducing the power.

33. Aircraft Systems Engine Cooling Systems The oil temperature gauge gives an indirect and delayed indication of rising engine temperature, but can be used for determining engine temperature if this is the only means available.

34. Aircraft Systems Engine Cooling Systems Most aircraft are equipped with a cylinder- head temperature gauge which indicates a direct and immediate cylinder temperature change.

35. Aircraft Systems Engine Cooling Systems This instrument is calibrated in degrees Celsius or Fahrenheit, and is usually color coded with a green arc to indicate the normal operating range. A red line on the instrument indicates maximum allowable cylinder head temperature.

36. Aircraft Systems Engine Cooling Systems To avoid excessive cylinder head temperatures, increase airspeed, enrich the mixture, and/or reduce power. Any of these procedures help to reduce the engine temperature.

37. Aircraft Systems Engine Cooling Systems On aircraft equipped with cowl flaps, use the cowl flap positions to control the temperature. Cowl flaps are hinged covers that fit over the opening through which the hot air is expelled.

38. Aircraft Systems Engine Cooling Systems If the engine temperature is high, the cowl flaps can be opened to permit a greater flow of air through the system, thereby decreasing the engine temperature.

39. Questions / Comments

40. 3 rd Semester Requirements (20 Class Meetings) All students will complete the following: Take notes - All In class quizzes and tests Complete Flight Sim. Student Pilot Syllabus Lessons 1 – 7 (Straight & Level Flight through First Solo) Must pass written with 80% Successfully complete 3 times on small sim Successfully complete 1 time on Main sim Complete ERAU Aviation 101 9 quizzes and 3 tests (Kut, Falcon, Not So Lonely & Relative Wind – only completers) Student will receive zero points for all incomplete work

41. Questions / Comments

42. Lesson Closure - 3 – 2 - 1 3. List 3 things you learned today. 1. Create (1) quiz question with answer about today’s lesson. 2. List 2 things you have questions about today’s lesson.

43. Class Summary Engine Cooling Carburetor heat is an anti-icing system that preheats the air before it reaches the carburetor, and is intended to keep the fuel/air mixture above the freezing temperature to prevent the formation of carburetor ice.