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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.


Reasons for including a voltmeter in your aircraft panel.

Troubleshooting poor connections to a CHT thermocouple.

Adapting the Radio Shack digital indoor/outdoor thermometer to read outdoor air temperature and carburetor temperature.

Make an expanded-scale voltmeter (8 to 16 volts DC) to monitor an aircraft electrical system.
KITPLANES Jun 1993 (v.10#6) pg. 6
Added Info KITPLANES Sep 1993 (v.10#9) pg. 2

Maintaining magnetic compass and directional gyros in aircraft. Tips on the roles of the pilot and the avionics shop in locating the source of difficulty.
KITPLANES Aug 1994 (v.11#8) pg. 97

Testing EGTs and CHTs. A primer on these important aircraft engine gauges.
KITPLANES Oct 1995 (v.12#10) pg. 36

Low-cost protection. Electronic gadgets provide state-of-the-art peace of mind for your aircraft. (1) Fail-safe engine fire detector. (2) Overvoltage protection circuit. (3) Fool-proof IFR timer.
KITPLANES May 1997 (v.14#5) pg. 82

How to construct a test box and apparatus to check the accuracy of altitude encoders via the KARMIC connector.
KITPLANES Apr 1998 (v.15#4) pg. 20

Angle of attack gauges. How they operate and a simple design for an ultralight aircraft.
KITPLANES Dec 1998 (v.15#12) pg. 96
Added Info KITPLANES Sep 1999 (v.16#9) pg. 5

Cockpit idiot lights (annunciator lights). Part 1. Low voltage and high voltage lights.
KITPLANES Jan 1999 (v.16#1) pg. 48

Cockpit idiot lights (annunciator lights). Part 2. Pressure and temperature sensor circuits.
KITPLANES Feb 1999 (v.16#2) pg. 86

Cockpit idiot lights (annunciator lights). Part 3. Circuit to monitor multiple warning lamps and summarize the status using a single green, yellow, or red LED.
KITPLANES Mar 1999 (v.16#3) pg. 81

Build a low-cost voice annunciator circuit which monitors existing annunciator lights (idiot lights) and issues an audio message whenever they turn on.
KITPLANES Jun 1999 (v.16#6) pg. 84

Simple test to determine the leanest (hottest) cylinder when installing a single-probe CHT (cylinder-head temperature) gauge.
LIGHT PLANE MAINTENANCE May 1987 (v.9#5) pg. 21

The engine clinic. How a GEM (Graphic Engine Monitor) would indicate a broken valve is described and illustrated.
LIGHT PLANE MAINTENANCE Jun 1987 (v.9#6) pg. 19

The engine clinic. How probe durability and response time affect EGT, CHT, and GEM readouts.
LIGHT PLANE MAINTENANCE Aug 1987 (v.9#8) pg. 23

Tip on locating the "hottest" cylinder when using a single-readout, multichannel (switchable) EGT.
LIGHT PLANE MAINTENANCE Nov 1987 (v.9#11) pg. 19

Determining the correct engine locations to install EGT probes.
LIGHT PLANE MAINTENANCE Dec 1987 (v.9#12) pg. 4

Possible reasons for high EGT readings with a newly-installed Graphic Engine Monitor on a Continental IO-520-BA engine.
LIGHT PLANE MAINTENANCE Dec 1987 (v.9#12) pg. 17
Added Info LIGHT PLANE MAINTENANCE Mar 1988 (v.10#3) pg. 4

How to calibrate your aircraft tachometer.
LIGHT PLANE MAINTENANCE Jan 1988 (v.10#1) pg. 20
Added Info LIGHT PLANE MAINTENANCE Apr 1988 (v.10#4) pg. 2, 3

Tip on matching the EGT indications on a twin engine aircraft's engines which do not display other problems (compression, oil consumption, major fuel use differences, etc.)
LIGHT PLANE MAINTENANCE Jun 1989 (v.11#6) pg. 20

How to check your airspeed indicator using a homemade manometer. Est. cost: $10.
LIGHT PLANE MAINTENANCE Sep 1989 (v.11#9) pg. 10

Pros and cons of using the Graphic Engine Monitor (GEM) on a simple engine, such as the Continental O-300.
LIGHT PLANE MAINTENANCE Mar 1990 (v.12#3) pg. 21

Advice on "normal" readings to expect during full power on a Graphic Engine Monitor wired to a 4-cylinder Lycoming O-360 engine.
LIGHT PLANE MAINTENANCE May 1990 (v.12#5) pg. 19

Cessna tail-feather inspection tips. Advice on three trouble spots involving the horizontal stabilizer and vertical fin that require careful inspection on older aircraft (2000+ hours).
LIGHT PLANE MAINTENANCE Jun 1990 (v.12#6) pg. 14

Tips on getting your airplane ready for the winter flying season.
LIGHT PLANE MAINTENANCE Oct 1993 (v.15#10) pg. 18

Horizon P-1000 Digital Tachometer. Tips on installation and use.
LIGHT PLANE MAINTENANCE Feb 1994 (v.16#2) pg. 8

Before the annual. How to make your annual inspection less expensive and more productive. A checklist of things the owner may do to help reduce the cost of an annual inspection.
LIGHT PLANE MAINTENANCE Mar 1994 (v.16#3) pg. 7

Instrument removal and replacement. (1) Tips on determining that an instrument is actually "dead". (2) Procedures for removing an instrument from the panel. (3) Installing the replacement.
LIGHT PLANE MAINTENANCE Nov 1994 (v.16#11) pg. 12

Fire is no fun. Some simple inspections to help avoid aircraft fires.
LIGHT PLANE MAINTENANCE Mar 1995 (v.17#3) pg. 8
Added Info LIGHT PLANE MAINTENANCE Apr 1995 (v.17#4) pg. 4

Installing Insight's Graphic Engine Monitor (GEM).
LIGHT PLANE MAINTENANCE Apr 1995 (v.17#4) pg. 11

Spring airplane cleaning, inspecting and light maintenance advice.
LIGHT PLANE MAINTENANCE Mar 1996 (v.18#3) pg. 3

HSI (horizontal situation indicator) troubleshooting.
LIGHT PLANE MAINTENANCE Mar 1996 (v.18#3) pg. 5

Troubleshooting position-based autopilots.
LIGHT PLANE MAINTENANCE Jun 1996 (v.18#6) pg. 6

Troubleshooting rate-based autopilots.
LIGHT PLANE MAINTENANCE Jul 1996 (v.18#7) pg. 5

Hard landings. Advice on doing a walk-around inspection and perhaps a detailed inspection following a hard landing.
LIGHT PLANE MAINTENANCE Sep 1996 (v.18#9) pg. 14

The annual inspection. A discussion about what actually constitutes an annual inspection and when is an aircraft considered airworthy.
LIGHT PLANE MAINTENANCE Dec 1996 (v.18#12) pg. 5
Added Info LIGHT PLANE MAINTENANCE Feb 1997 (v.19#2) pg. 4
Added Info LIGHT PLANE MAINTENANCE Apr 1997 (v.19#4) pg. 21

Spring flying, here it comes. How to do a thorough owner inspection of engine and airframe after a winter of aircraft storage.
LIGHT PLANE MAINTENANCE May 1997 (v.19#5) pg. 19

Engine monitoring. How to read and understand multi-point EGT/CHT (exhaust gas temperature / cylinder head temperature) indicators.
LIGHT PLANE MAINTENANCE Nov 1997 (v.19#11) pg. 15

Slipping directional gyros. Tips on cleaning and lubricating the adjusting knob shaft on a directional gyro.
LIGHT PLANE MAINTENANCE Oct 1999 (v.21#10) pg. 16

Hard landing damage. How to find out if a hard landing has bent something. An overview of all the places to look.
LIGHT PLANE MAINTENANCE Dec 1999 (v.21#12) pg. 12

A gyro instrument system. Tips on installing vacuum driven gyro instruments.
SPORT AVIATION Jun 1984 (v.33#6) pg. 27

Airspeed: What it is and how to measure it.
SPORT AVIATION Jan 1986 (v.35#1) pg. 63

How to test your pitot static system. Three different methods are described.
SPORT AVIATION May 1987 (v.36#5) pg. 37
Added Info SPORT AVIATION Aug 1987 (v.36#8) pg. 4

Aircraft instrument markings. What is required and tips on doing the marking.
SPORT AVIATION Aug 1987 (v.36#8) pg. 46

Develop a reliable pitot/static system for your homebuilt airplane. Also includes tips on installing an altitude encoder.
SPORT AVIATION Aug 1988 (v.37#8) pg. 27

Thermocouplings for measuring cylinder head temperature. How to put probes on each cylinder and use a rotary switch to select the cylinder to be checked.
SPORT AVIATION Jul 1990 (v.39#7) pg. 65

Upgrade that instrument panel. Advice on building and installing the Rocky Mountain microENCODER which combines a mode C altitude encoder with a graphic/digital vertical speed indicator, digital airspeed indicator, sensitive digital altimeter and digital outside air temperature.
SPORT AVIATION Apr 1991 (v.40#4) pg. 72

Altitude encoders. How to get something useful from them. Construct a transponder altitude-encoder read-out device which displays on a cockpit monitor. Plans must be ordered. Est. cost: $10 (plans) $82 (kit).
SPORT AVIATION Feb 1992 (v.41#2) pg. 66

Panel-mounted timer will turn on a red LED to remind you to change fuel tanks. The circuit shown lets you select a 30-minute or 60-minute interval.
SPORT AVIATION Nov 1992 (v.41#11) pg. 100

Inclinometer (slip/skid indicator) is made by modifying Edmund Scientific's "Lev-O-Gage".
SPORT AVIATION Mar 1993 (v.42#3) pg. 74

Mounting technique for adapting certain automotive instruments (engine gauges, voltmeters, fuel quantity,...) for sturdy aircraft panel mounting.
SPORT AVIATION May 1993 (v.42#5) pg. 96

Simple solution to the problem of securing instrument nuts in place during installation.
SPORT AVIATION Aug 1995 (v.44#8) pg. 96

Tips on relieving the high stress and vibration where electrical wires are attached to aircraft instruments.
SPORT AVIATION Dec 1996 (v.45#12) pg. 114

Checking your airplane's ammeter. Includes construction of a meter movement calibration test set.
SPORT AVIATION Jun 1999 (v.48#6) pg. 92

Getting your airplane ready for the winter flying season. Some tips.
VINTAGE AIRPLANE Mar 1994 (v.22#3) pg. 23

Are you legal. How to trace the documentary evidence of all repairs, alternations, installations and appliances that affect your aircraft prior to an annual inspection to help save time and money.
VINTAGE AIRPLANE Sep 1994 (v.22#9) pg. 21

Tip on checking the accuracy of your aircraft tachometer using a sodium or mercury vapor light and a piece of reflective tape.
VINTAGE AIRPLANE Jan 1995 (v.23#1) pg. 11