This site is dedicated to the acquisition and dissemination of digital material for the aviation educator. The site includes pictures, movie clips, and presentation aids that are designed to enhance aviation education. This site is a work in progress so please visit often and view the improvements.

If you would like to contribute digital materials to this library, please mail your materials to leasurem@purdue.edu. You may also send your materials to: Department of Aviation Technology, 1401 Aviation Dr.  Attn: Michael Leasure, West Lafayette, IN, 47907-2015. All materials must be original works that may be copied or altered for educational purposes.


 Right click your mouse and select "save target as" to download.  Search this site by holding the Ctrl key and typing "F".  These are original works for educational purposes.  Please feel free to download and use any resource on this site.  Credit is appreciated but not required.   



 Study material: Training and certification textbook – a definitive guide to assist with FAA operator certification

Picture:  Hexacopter arming, proper operator position UNDER rotors

Picture:  Headwall Nano Hyperspectral camera download from UAV

Picture:  geo-tagged image of sorghum providing location and altitude

Picture: transmitter binding button for linking to receiver – common for binding and range check

Picture: training quad with controls Tx, Tx with legend, airframe – Inexpensive quadcopter with camera

Picture: video downlink wiring harness – Yellow, red, white, black, video FPV transmitter

Picture:  video Downlink connector – useful for showing guide pins and orientation

Picture: X8 flying wing on catapult – ready to release

Picture: UAV two stroke fuel – specific fuel for unmanned use

Picture: Skew-planar antenna for omnidirectional reception – 4 lobes in the wind

Picture: power distribution board for multirotor – getting power to each motor (quad)

Picture: lithium polymer battery – shows balance connector and ratings

Picture: old UAV based on Kadet Senior model aircraft – covered with heat shrink fabric

Picture: HUD screen – heads up display for autonomous flight telemetry

Picture: ESC programming card – alleviates insanity of beeps and chirps when programming

Picture: EMI conduit through wing – aluminum foil shielding built into large UAV

Picture: mode select switches – 3D Robotics Iris manual flight transmitter

Picture: wing structure – built up wing with transparent plastic covering

Picture: brushed and outrunner unmanned electric propulsion

Picture: aluminum tubular spar for UAV – removable wing panel

Picture: Mission Planner Firmware – autonomous algorithm selection

Picture: KK2 flight stability board 1, 2, 3 – Various screens

Picture: two stroke engine – single cylinder inverted

Picture: two stroke twin – dual electronic ignition, 5.5 HP

Picture: two stroke – AGX Brazil Arara engine installation

Picture: agricultural UAV – 6 foot span, hand launch

Picture: agricultural UAV – with tricycle gear in grass

Picture: UAV hand launch – agricultural imaging

Picture: agricultural mission plan – back and forth for hyperspec

Picture: telemetry radio – AGX Brazil Arara wingtip mounted radio

Picture: AGX team UAV – Purdue Beck ag center

Picture: quadcopter voltage regulator – powering the autopilot

Picture: large ag UAV – Research aircraft for heavy lift, Purdue

Picture: altitude and flight path – KML file on Google earth

Picture: ATTOpilot autopilot – early autopilot with airspeed input

Picture: ATTOpilot autopilot 2 – 2nd. Gen. with hardcase, autopilot evolution

Picture: Bixler basic training UAV – autonomous flight trainer

Picture: ag imaging cameras – then and now for low cost NDVI

Picture: UAV fuselage -  semimonocoque construction

Picture: UAV on field stand – ag ops

Picture: UAV fiberglass shell – construction of successful UAV

Picture: UAV foam wing core – light, repairable, and strong

Picture: dipole type antenna – UAS telemetry

Picture: AR drone with ipad – beginner FPV quadcopter

Picture: airship UAS – not all are fixed or rotary wing

Picture: EMI Shielding – keeping the magnetism from your compass

Picture: manual RX and FCB – flight control for basic multirotor

Picture: NANO Hyperspectral Image – Purdue agriculture

Picture: 3DR Iris – fully autonomous quadcopter

Picture: Iris stability test – 2 ounce microphone on tether below quadcopter

Picture: KK2 FSB – gel mounting for vibration isolating

Picture: manual flight transmitter – Turnigy 9XR with video record/preview screen

Picture: Headwall NANO – Hyperspec camera for ag with IMU mounted

Picture: NANO vibration isolating mount – holding it in, but isolated

Picture: patch antenna for telemetry and video – on tripod for aiming

Picture: power distribution board – Quadcopter power distribution

Picture: quadcopter kit – training quad Purdue University

Picture: various propellers used for UAV, multirotors – includes adapter bushings

Slides and Video

PP slide: field map with pics – mission planner with resultant gopro images

Video:  3DR Solo quadcopter, GoPro 4K, brushless stabilized gimbal

Video:  Testing GoPro ability to read license plates, no gimbal, jello

Video: Iris quadcopter flown for testing bat sound equipment – Purdue Research

Video:  “Bad GPS Health” rotorcraft crash due to insufficient GPS

Video:  Hexacopter testing control response and tuning DJI NAZA

Video: CALMAR Condor 1 – early agricultural imaging UAS

Video: CALMAR Condor 2 – early agricultural imaging UAS (muted)

Video: Arducopter autonomous flight – hexacopter with gopro over rough terrain

Video: large UAV test flight – first flight of 47 pound research UAV

Video: DJI S800 with gopro – video vibration mitigation flight

Video: manned helicopter lift off – Lifeline Lafayette IU

Video: NANO hyperspec moongel mount – how to isolate vibration UAV

Video: Multirotors filming 3D aerobatic aircraft – Converse Eagles Fly-in

Video: X8 flying wing catapult launch – no control, cameras rolling RFI interference


Presentation: Intro to unmanned aircraft – Purdue unmanned





Picture: Goodyear Brakes - Larger aircraft brake assembly

Pictures: LR 35 and 55 Cockpit Control Panels 1-2-3-4-5

Picture:  Cleveland Brake Parts - Light aircraft brake assembly

Picture: Cleveland nose or tail wheel assembly - light aircraft

Picture:  747 Tire rupture 20 minutes after landing

Picture: Landing Gear Bay - Grob G120

Picture:  Squat Switch - Cessna Citation

Picture:  Squat Switch - King Air

Picture:  Wing Icing - King Air

Picture:  Windshield Icing - King Air

Picture:  Crows Foot Wrench - Tool for limited access work

Picture:  Speed Wrench - Offset tool for removing and installing fasteners

Picture:  Air Chuck Nozzle - Fitting used to control compressed air for blowing

Picture:  Valve Core - Core removed from stem to show seals

Picture:  Tire in Safety Cage - Cage used for inflation and deflation safety

Picture:  Continental Crush Plate - Used with wood propeller to distribute bolt loads

Picture:  Innovative anti-chafe with nylon straps - Ignition leads routed and secured

Picture: Matco Brakes - Brake with plastic line on homebuilt (Steve Wittman, Buttercup)

Spreadsheet:  Weight and Balance Form - Stinson 108-1, 108-2 (educational use only)  

Spreadsheet:  Weight and Balance Form - 1976 Cessna 172M (educational use only)

Video:  727 being towed on ramp - towbar, tug, and Boeing 727

Picture:  Wheel Balance Patch - Aircraft wheel balancing patch

Picture:  Solder Applied to Wire - Smoke, solder, and a wire being tinned

Picture:  Ground Terminal Connections - Terminals attached to crankcase ground source

Picture:  Corroded Electrical Terminal - Terminal and stud with signs of typical corrosion

Picture:  Landing Gear Indicator Lights - Cessna 310 light disassembled with bulb

Picture:  Flap switch and Speeds - Cessna 310 Flap switch and speed ranges

Picture:  Circuit Breaker Popped - Circuit protection, trip free

Picture:  Control Quadrant - Cessna 310 engine controls 

Picture:  Indicator Light - Press to test

Picture:  Wire Soldering Fixture - Wire ready for solder in clamp

Picture:  Special Connector - Solder type strip connector

Picture: Solder Sucker - desoldering tool

Picture:  Solder and Braid - Spool of solder and desoldering braid

Picture:  Wheel Balance Tool - Testing a wheel for static balance

Picture:  Screw Balance Weight - Screw on balance weight on wheel

Picture:  Wheel Weight Options - Selecting a balance weight

Picture:  Tail stand and weight - Jacking stand used to balance engine weight

Picture:  Landing Gear Up Lock - Military Jet landing gear 

Picture:  Trailing Link Landing Gear - Complete military jet landing gear assembly

Picture:  Sealant on Landing Gear Nut - Sealant to prevent corrosion on exposed gear nut

Picture:  Smoked Rivet - Rivet that is loose and fretting with tail

Picture:  Piper APU Plug - External shot of APU plug on twin Piper, 12V

Picture:  Aircraft Lead Acid Battery - Gill 35 amp hour battery overall view

Picture:  Nickel Cadmium Battery  - Corroded terminal and strap

Picture:  Hydrometer in use - Specific Gravity test of Lead Acid battery

Picture:  Battery Vent Cap - Cap removed with view of bottom vent

Picture:  Nicad Cell Thermal Runaway - Results of excess heat on cell

Picture:  Aircraft Starter - Beechcraft Musketeer starter

Picture:  727 Generator Panel - Flight Engineers electrical control panel

Picture:  727 Landing Gear Selector - Cockpit view of gear retract lever

Picture:  727 Radio Console - Old radio panel with switches and knobs

Picture:  727 Control Stick - Left side of yoke with autopilot controls

Picture:  727 Rotary Dimmer - Cockpit dimmer switch example

Picture:  727 Overhead Breaker Panel - One of many circuit breaker panels

Picture:  727 Fuel Dump and Static Wicks - Shot from standing on wing

Picture:  727 Flap Bonding Jumper - Static jumper on leading edge

Picture:  727 Null Field Static Discharge - Wingtip Static Discharge 

Picture:  Cooper Vane - D.B. Cooper's legacy, cannot open stair in flight

Picture:  737 Gear Door Ground - Service ground for aircraft

Picture:  727 Potted Electrical Bus - Bus in rear along stairwell

Picture:  Battery Box - Battery box of TH-55 Helicopter

Picture:  Ignition Switch - View of the connections on the back of ign. switch

Picture:  Crimper/Stripper Tool - Inexpensive electrical wire tool

Picture:  Ring Terminal - Solderless, crimp type ring terminal

Picture:  Breadboard - Board for teaching basic circuits, series parallel

Picture:  Circuit Breaker Panel - Three, five amp breakers in panel

Picture:  Wire Stripper - Common hand stripper

Picture:  Ratchet Crimper - Side view of aircraft ratchet crimper

Picture:  Solenoid - Typical 12V solenoid for master or starter

Picture:  Fuse Plugs - In the wheel of a large aircraft

Picture:  727 Flap - Flap in the deployed position, under-wing view

Picture:  O-rings and packings - general selection

Picture: Aeroshell 22 Grease - close-up of grease in can

Picture: Assorted Aviation Oils - selection of common greases and oils

Picture: Aviation Hydraulic Fluids - three types in jars (color)

Picture: Skydrol - Skydrol in a jar with obvious color tint

Picture: Bungee Cord Stripes - Landing gear bungee cord 

Picture: Cracked strut -  View of massive crack in Landing gear strut

Picture: Ball end, Fork, Shackle - control system parts

Picture:  Anti-servo Tab - Horizontal stab of Beechcraft model 19

Picture:  Rudder Counterweight - Beechcraft model 19 rudder

Picture:  Stabilizer Counterweight - Beechcraft model 19

Picture:  Turnbuckle - Single wrap

Picture:  Turnbuckle - Double wrap

Picture:  Rudder Torque Arm - Nice view of rudder actuation lever

Picture:  Slotted Flap - Retracted and Extended

Picture:  Rod End with Witness Hole - Clear view of terminal hardware for controls

Picture:  Tomahawk Bellcrank and Stops - Adjustable stops shown

Picture: Tomahawk Slipstream Demo - Tape depicting swirl of slipstream

Picture:  Multiple Swage - Improper swaging of cable 

Picture:  Torque Tube - Rudder control torque tube example

Picture: Cable Splice - Double swage on a control cable splice

Picture:  Cable and Pulleys - Mock-up of control system cable installation

Picture:  Bellcrank and stop - Mock-up of control system with bellcrank

Picture: Turn Limit Marks - Markings to indicate maximum turn radius 

Picture: PA-38 Instrument Panel - Overall view of Tomahawk panel

Picture: C-152 Cessna Nose Gear - Side view of complete assembly

Picture: Scissor Link - Scissor disconnected for service or towing

Picture:  Helicopter in flight - View of tilt and coning of main rotor

Picture: Helicopter Main Rotor - TH55 main rotor head

Picture:  Helicopter tail rotor - TH 55 tail rotor side view

Picture: Airscoop - Piper Tomahawk lower cowl including airscoop and exhaust outlets

Picture: Cowl Flap - Piper cowl flap bottom view including actuating rod

Picture: Cooling Inlets - Front view of Beechcraft Musketeer cowl

Picture: Boeing 727 - Right, front view of 727-100 series

Picture: aileron - Left aileron of Beech Musketeer

Picture: Flap - Kruger type leading edge flap of a Boeing 727

Picture: Rudder and stabilator - Beech Musketeer

Picture: Corrosion - Corroded Canon plug

Picture: Airfoil - Beech Musketeer with tip removed showing airfoil

Picture: Flap screw fairing - Boeing 727 

Picture:  Damaged Bearings - Roller bearings with serious flat spots

Picture: Stall Switch - Cessna 310 stall warning switch

Picture: Aileron tab - Cessna 310

Picture: Static discharge - Cessna 310

Picture: Vacuum pump - Cessna 310

Picture: Pitot Tube - Side view 

Picture: Propellor Deice Boot - Electric prop deice boot installation

Picture:  Damaged Mooney from a bird strike

Picture:  Damaged Piper Archer after contact with propeller of runaway aircraft

Picture:  Voltage Regulator Back - View depicting potting compound 

Picture:  Voltage Regulator Top - Top view showing data and specifications

Picture:  Avionics Bay - Typical business jet nose avionics bay

Picture:  Avionics Nose Bay - Box side view of avionics installed

Picture:  Avionics Wiring - Close-up of wiring in avionics bay

Picture:  Aircraft Electrical - Connectors and wiring

Picture:  Connector Safety Wire - Correct safety on aircraft connector

Picture:  Avionics Wiring and Plugs - View of typical wiring and plugs

Presentation: Helicopter lead, lag, and coning - PowerPoint animation

Presentation:  Boeing 747 Cargo Version - PowerPoint of concept and parts








Movie:  Impulse coupling - An impulse coupling being rotated 

Movie:  Checking a piston engine pushrod for bending  Lycoming Overhaul Manual

Movie:  Deglazing a piston engine cylinder with ball hone

Movie:  Piston, Rod, Crankshaft, Camshaft - This is 15 sec. of a cutaway rotating

Movie:  Planetary Gears - PT6 Planetary gears in operation

Movie:  Crankshaft runout check - Crankshaft on roller stand with dial indicator

Movie: Crankcase splitting - video clip of a crankcase half being lifted free

Movie:  Camshaft runout check - Camshaft on roller stand with dial indicator

Movie:  Lycoming engine running - Engine running normally with sound, side view

Movie: Lycoming Aeroshell Instrument calibration and importance

Movie: Lycoming Aeroshell oil temperature calibration and importance

Movie: Lycoming Aeroshell baffles and seals inspection

Movie: Lycoming Aeroshell oil cooler notes

Movie: Lycoming Aeroshell publications and procedures

Movie: Lycoming Aeroshell test flight of newly overhauled engine

Movie:  Lycoming Aeroshell correct oil selection

Movie:  Lycoming Aeroshell oil consumption topics

Movie:  Lycoming Aeroshell seven functions of oil

Movie:  Lycoming Aeroshell air oil separator

Movie:  Lycoming Aeroshell oil specifications

Movie:  Lycoming Aeroshell importance of oil

Movie:  Lycoming Aeroshell leaning and temperature CHT EGT

Movie: General Electric 90115B Ultra High Bypass Turbine Engine Intro

Movie:  Continental C-85  - Start attempt while timed to the exhaust stroke

Movie:  Continental C-85 - Running with one ignition lead removed

Movie:  Piston engine cutaway - Side view with piston, rings, pin, crank throw

Virtual Tour:  Slides taken inside G&N Aircraft Engine Overhaul Facility

Calculator:  Engine Volumetric Efficiency - JAVA Calculator to determine efficeincy

Animation:  Piston engine cutaway in motion - Shockwave animation

Picture:  Lycoming Rocker Arm pitting and flaking at valve contact area

Picture:  Crankshaft and Camshaft Gears - Case open, orientation shown O-470

Picture:  Oil pressure fitting - Lycoming restrictor type oil pressure line fitting

Picture:  Air Cooled Turbine Blade - Blade showing cooling holes

Picture:  Oil Pressure relief valve - Lycoming adjustable relief valve

Picture:  Lycoming 0-320-H2AD Rocker Assembly -  Shows stamped rocker

Picture:  Fuel Injector Manifold - Fuel distributor for multipoint injection 

Picture:  Turbine Oil Filter and Housing - Small APU metal filter, housing, seal

Picture:  Annular Combustion Chamber - Turbine engine combustor 

Picture:  Two Compressor Blade Mounts - Fir tree and bulb mounts

Picture:  Turbine Blade Internal Cooling - View of hollow blades

Picture:  737 Blow-in doors - Turbine cowl with doors

Picture: 737 Exhaust - View of turbine exhaust and reverser

Picture: 85 series APU - Combustion section outside view

Picture: 85 series APU - Exhaust outlet overall view with probes

Picture:  85 series APU - Ignition system with exciter box

Picture:  85 series APU - Shaft end view incl. PAC and Gen. 

Picture:  Honeycomb Labyrinth Seal - Both parts of a turbine engine seal assembly

Picture:  Bellmouth Inlet - Inlet for turbine test cell installations

Picture:  Corroded exhaust stud and port - View of damage from corrosion

Picture:  Oil filter paper element - Removed and unfolded oil filter paper element

Picture: Compression tester - Common aircraft differential compression tester

Picture:  Cooling Fin Damage - Continental Cylinder with repairable fins

Picture:  Magneto Flange Damage - Result of not properly aligning gears

Picture: Cylinder Head - View of Continental cylinder head and barrel separated

Picture: Timing Marks - Front view of Lycoming ring gear and timing marks

Picture: Connecting Rod - Side view of a Lycoming connecting rod

Picture: Magneto Observation Window - Bendix magneto installed but with plug removed

Picture: Intercooler - Turbocharger intercooler installed on Continental GTSIO-520

Picture: Compressor - Turbocharger compressor from Continental GTSIO-520

Picture: Broken Tab on Oil Housing - Lycoming oil screen housing with tab damage

Picture: Checking Piston Pin OD - Micrometer being used to measure OD

Picture: Thickness Gage - End gap measurement of ring with thickness gage

Picture: Side Clearance - Measurement of piston ring side clearance on piston

Picture: Piston Pin Boss ID - Measurement of piston pin boss inside diameter

Picture: Vernier Caliper - Side view of vernier measurement tool

Picture: Micrometer and Gage - Micrometer measuring telescoping gage

Picture: Oil Pump Measurement - Depth micrometer measuring oil pump

Picture: Dial Indicator - Clamps and supports with dial indicator

Picture: Small Hole Gage - Gages used with micrometer to measure small hole ID

Picture: Bore Gage - Bore gage used for cylinder taper and out-of-round

Picture: Crankcase Side View - Six cylinder crankcase view showing cylinder mounts

Picture: Dynamic Dampener - Crankshaft with dynamic dampener installed

Picture: Piston Diameter - Micrometer used to measure piston diameter and cam

Picture: Thickness Gage - Thickness gage side view with gages spread open

Picture: Spark Plug tray - 8 sparkplugs in a standard aviation tray (massive and fine)

Picture: Engine mount - Cradle type engine mount from Continental O-300

Picture: Ignition harness - 4 cylinder harness including leads and caps

Picture: Magneto drive - Gear, impulse coupling, corrosion damaged

Picture: Engine mount - Dynafocal, shows rubber Lord mount 

Picture:  P lead connection - D2000 magneto P lead connection

Picture: Pressurized Magneto - Pressure line connected to magneto (Navajo)

Picture: Radial engine connecting rods - Master and articulating rod example

Picture: Mixture adjustment - Bendix injection mixture adjustment wheel

Picture: Mixture adjustment - Float carburetor idle mixture screw

Picture: Magneto timing pin - Slick magneto with timing pin inserted

Picture: EGT Probe - EGT probe installed in exhaust stack

Picture:  Timing Marks - Continental C85

Picture: Ignition Lead - Shielded ignition lead terminal hardware on Lycoming

Picture:  Rocker box - Lycoming rocker box cover and screws

Picture: Cold Cylinder check - Using a crayon to test for a cold cylinder

Diagram: Hot and Cold Sparkplug - Cut-away view of hot vs. cold sparkplugs

Diagram:  Hydraulic Lifter Cutaway - Picture from Lycoming overhaul manual

Picture: Rod bolt failure - Lycoming HIO-360-D1A

Picture:  Valve grinding machine - Kwik way valve grinder

Picture:  Fuel Servo - Bottom view of Lycoming engine showing fuel unit installed

Picture:  Magneto Coil - Coil as removed from magneto, modern style

Picture:  Updraft Carburetor - Typical light aircraft carburetor inlet side view

Picture:  Carburetor venturi - Closeup of venturi and jet inside Carburetor

Picture:  Carburetor Exterior - Nice overall view of light aircraft carburetor

Picture:  Diaphragm Fuel Pump - AC style fuel pump installed on Lycoming

Picture:  Ignition Harness Cap - View of cap details

Picture:  Ignition Lead Terminal End - Details of sparkplug end, shielded type

Picture:  Back of Engine - Includes battery, mount, accessories, etc.

Picture:  Installed Magneto - Close-up of installed magneto with cap and wires

Picture:  Exciter Box - Turbine ignition exciter box, Unison

Picture:  Fuel Control - External view of turbine fuel control

Picture:  Fuel Injector Servo - Airflow and fuel metering for piston engines

Picture:  Controls Quadrant - Turboprop aircraft engine controls in cockpit

Picture:  Shroud Segments - Engine turbine shroud segments

Picture:  Shroud and Ring - Turbine shroud segments with ring

Picture:  Turbine Diameter - measurement of turbine wheel diameter

Picture:  Shroud and Vanes - PT-6 turbine shroud segments and IGV's

Picture:  Blades and Segments - Turbine blades and shroud segments

Picture: Clearance Measurement - Turbine blades and shroud clearance measurement

Presentation: AT262 Introduction - Engine Theory, Types, Otto cycle, Calculations

Presentation:  Piston Engine Parts, Materials, Bearings, and Gearing - Powerpoint





General Materials:


Presentation: Mechanical Aspiration - Lecture outline on the subject of turbocharger systems

Video:  Ultralight in Flight - A two stroke powered, belt reduced,  Quicksilver flyby

Presentation: Receiving Inspection - Slides describing the overhaul receiving inspection

Conversion software:  Liters to Quarts etc - very handy

Picture:  Stinson 108-1 Schematic - Simple, real aircraft, schematic for electrical systems

Picture:  Jack under wing hard point - Light aircraft wing jack in position

Picture:  Sight hole in jack - Hole for observing jack extension

Picture:  Locking pin for jack - Pin inserted with warning placard

Picture:  Jack capacity - Placard showing jack capacity 

Picture:  Hand position -  View of improper hand placement during jack positioning

Picture:  Leveling point and level - Position of leveling point and digital level

Presentation:  Model Scaled Structures - Tools and techniques used in models and UAV's

Picture:  Aerial Photo - Aerial photo from a UAV, 2 Megapixel, Overcast, Oblique

Form:  FAA Form 337 Major Alteration and Repair



http://www.lycoming.textron.com/support/training/videos.html Lycoming engine video clips - oil, break-in, baffles, etc.



   Thank you for your support!!!  (This site updated November 2015)