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Warm-Up – 1/29 – 10 minutes Utilizing your notes and past knowledge answer the following questions: What are the four forces of flight? What are the 3.

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Presentation on theme: "Warm-Up – 1/29 – 10 minutes Utilizing your notes and past knowledge answer the following questions: What are the four forces of flight? What are the 3."— Presentation transcript:

1 Warm-Up – 1/29 – 10 minutes Utilizing your notes and past knowledge answer the following questions: What are the four forces of flight? What are the 3 axis of flight? What axis of flight is from tip of the nose to tip of the tail? What axis controls the flight action yaw? Describe center of gravity?

2 Questions / Comments

3 Warm-Up – 1/29 – 10 minutes Utilizing your notes and past knowledge answer the following questions: What are the four forces of flight? What are the 3 axis of flight? What axis of flight is from tip of the nose to tip of the tail? What axis controls the flight action yaw? Describe center of gravity?

4 Four Forces of Flight Determine whether an airplane rises or falls through the air: Thrust Drag Lift Gravity (Weight) Thrust Lift Drag Weight

5 Warm-Up – 1/29 – 10 minutes Utilizing your notes and past knowledge answer the following questions: What are the four forces of flight? What are the 3 axis of flight? What axis of flight is from tip of the nose to tip of the tail? What axis controls the flight action yaw? Describe center of gravity?

6 Three Axis of Movement

7 Warm-Up – 1/29 – 10 minutes Utilizing your notes and past knowledge answer the following questions: What are the four forces of flight? What are the 3 axis of flight? What axis of flight is from tip of the nose to tip of the tail? What axis controls the flight action yaw? Describe center of gravity?

8 Three Axis of Movement

9 Warm-Up – 1/29 – 10 minutes Utilizing your notes and past knowledge answer the following questions: What are the four forces of flight? What are the 3 axis of flight? What axis of flight is from tip of the nose to tip of the tail? What axis controls the flight action yaw? Describe center of gravity?

10 Three Axis of Movement

11 Warm-Up – 1/29 – 10 minutes Utilizing your notes and past knowledge answer the following questions: What are the four forces of flight? What are the 3 axis of flight? What axis of flight is from tip of the nose to tip of the tail? What axis controls the flight action yaw? Describe center of gravity?

12 Center of Gravity Range

13 Questions / Comments

14 THIS DAY IN AVIATION January 29
1908 — The “Imperial All-Russia Aero Club” is founded and raises money through public subscription by Imperial decree.

15 THIS DAY IN AVIATION January 29
1920 — President Woodrow Wilson appoints Orville Wright to the National Advisory Committee for Aeronautics (NACA).

16 THIS DAY IN AVIATION January 29
1959 — The first jet passenger service across the United States is begun by American Airlines using Boeing 707 jet airliners.

17 Questions / Comments

18 January 2018 Quiz Test Curtiss Vin Fiz Progress Rpts Due
Sunday Monday Tuesday Wednesday Thursday Friday Saturday 1 2 3 4 5 6 7 8 Welcome to Aviation 9 Parts of an Aircraft Forces of Flight 10 Flight Control Surfaces Syllabus Due 11 Aircraft Review 12 Flight Line Friday Quiz 13 14 15 HOLIDAY 16 Quiz Review Chapter 1 Intro 17 Developing the Airplane 18 Wright Brothers 19 Test 20 21 22 Chapter 2 Development of Aviation in U.S. 23 Curtiss 24 Vin Fiz Progress Rpts Due 25 Progress in Europe 26 QUIZ Progress Rpts Sent Home 27 28 29 AERY Software Balsa Glider Construction 30 31  1 2  Glider Challenge 3 

19 AVIATION ACES High Shooter (Score) 100% Black Hawk Dre Bulldog Big Red
Pilots (A – 90 & above) 3B Co-Pilots (B – ) Black Hawk Dre Bulldog Big Red Big Bird O-Cam Ryder Big Dawg JD Top Gun Apache High Shooter (Score) 100%

20 Questions / Comments

21 Stability for Straight and Level Flight
Gliders in Flight Stability for Straight and Level Flight Aerospace Engineering © 2011 Project Lead The Way, Inc.

22 Today’s Mission Requirements
It is expected that students will: Describe the requirements for a glider to remain stable in flight. EQ: What factors affect lift and drag?

23

24 Glider in Flight

25 Gliders As Long Distance Fliers

26 Gaining Altitude Gliders do not have an engine
Gliders use rising air to gain altitude

27 Balsa Glider Flight Straight and Level = Maximum Distance

28 Three Axis of Movement

29 Movement in Yaw

30 Movement in Roll

31 Movement in Pitch

32 Lateral Stability: Roll
High wing aircraft are naturally stabilizing

33 Avoiding the Stalling

34 Center of Gravity Range

35 Questions / Comments

36 Aery Glider Design

37 Today’s Mission Requirements
It is expected that students will: Describe the requirements for a glider to remain stable in flight. Design and construct a glider that meets the design requirements provided by the instructor. EQ: What factors affect lift and drag?

38

39 AERY Model Glider Software
Design and analysis of simple gliders Center of gravity Neutral point determination Stabilizer and vertical tail volume coefficients Stabilizer angle of incidence determination Creation of plan for glider construction Prints dimensioned drawings of glider

40 Validity of Design Analysis
Comparison of output to expected results Construction of test gliders Insufficient directional stability Required lateral balancing Center of gravity determination based on materials used

41 Main Interface Tab

42 Wing Design Tab

43 Stabilizer (Horizontal) Design Tab

44 Vertical Tail Design Tab

45 Will it Fly? Analysis AND it is stable Press F3 or under Analysis
Once you get an AERY number AND it is stable Raise Hand

46 Building on a Single Sheet
90 cm or 36 inch Fuselage Wing Vertical Tail Horizontal Stabilizer Leave extra space at these locations if material allows 7.5 cm or 3 inch Notice the grain direction: Always spanwise! NOTE: Fuselage can be no LONGER than 35 cm or 12 inch Can be no WIDER than 2.5 cm or 1 inch

47 Once it is Stable Print your plans Exit to Lab room Safety Glasses
Model Kit – for Knife Go to table with cutting board Ruler Balsa wood

48 Aery Software Activity Worksheet
Login to Computer Go to website – petrucciaviation.weebly.com Intro to Aviation Class Materials Classroom Worksheets Aery Glider Software Go to Search bar – bottom of computer Type in AERY Launch software

49 Questions / Comments

50 Balsa Glider Construction
Presentation Name Course Name Unit # – Lesson #.# – Lesson Name Balsa Glider Construction

51 Familiarize Yourself with the Plan
Components Dimensions Materials Outlines vs. cuts

52 Building on a Single Sheet
90 cm or 36 inch Fuselage Wing Vertical Tail Horizontal Stabilizer Leave extra space at these locations if material allows 7.5 cm or 3 inch Notice the grain direction: Always spanwise! NOTE: Fuselage can be no LONGER than 35 cm or 12 inch Can be no WIDER than 2.5 cm or 1 inch

53 Marking the Fuselage Wing Location Center of Gravity Neutral Point
Cut for Length Wing Location Center of Gravity Neutral Point Horizontal Stabilizer Vertical Tail

54 Cut Out Pieces Cut the wing with extra span if material allows (see later note for reason) Cut out stabilizers Sand leading and trailing edges with minimal rounding

55 Finish Trailing Edge Trailing edge imperfections most often occur at wingtips If material allows, finish trailing edge then make final cuts for span and/or leading edge curvature

56 Shaping the Wing Profile
Leading edge should have minimal rounding Trailing edge needs taper on top only Use sanding block and edge of a solid surface for uniform sanding

57 Adding the Wing Center the wing on the fuselage
Glue it on straight and square to the fuselage this is critical

58 Making a Strong Bond Avoid typical novice method of applying excessive glue on an edge and sticking material together Light bond with reinforcing fillets increases the glue surface area and bond strength

59 Add Horizontal Stabilizer
One piece stabilizer Stronger Only possible if mounted somewhere away from vertical stabilizer Two piece stabilizer Weaker Mount anywhere else

60 Check Alignment Hold stabilizer on wedge
Ensure from front or back that stabilizer is parallel to wing If not, sand wedge slightly and recheck

61 Vertical Stabilizer Side Mount
Requires tail at a completely different location on fuselage from horizontal stabilizer Glue onto side of fuselage flush with bottom edge and front edge even with vertical tail mark Front Back Side of Fuselage VT VT Top View VT

62 Vertical Stabilizer Top Mount
Can be used no matter where tail is located Draw line down center of fuselage top starting at vertical tail mark Glue on vertical tail straight and square Front Back Side of Fuselage VT Top View VT VT VT

63 Balance the Glider Place pencil on table top and put glider on top of it with center of gravity directly over pencil Add clay to nose until glider balances at the center of gravity

64 Balance the Glider Hold glider on fingertips placed at nose and tail
Add clay to wingtips until glider balances at fuselage

65 Questions / Comments

66 Static Stability

67 Dynamic Stability

68 Stability for Straight and Level Flight
Gliders in Flight Stability for Straight and Level Flight Aerospace Engineering © 2011 Project Lead The Way, Inc.

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