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iPad Chiller
...might divert some airflow from a cabin vent. My theory was that, at 115 knots, both the volume and velocity of air available for chilling the iPad would be way...
Build a POH
...in the 1990s, I had few documents. The plans and the assembly instructions, along with manuals for the engine and accessories, were it. Now aircraft manufacturers are doing a much...
Home Away from Home… Thanks Dynon!
...going. Who is invited? Well pretty much anyone who wanders in, the “big tent” theory being that if you’ve made it down in to the pits, you are interested enough...
Potpourri
...The $10 Glideslope Splitter This one is going to save you big bucks. Short theory: antennas are generally based on the “quarter-wave” principle. That’s the way you make antennas a...
Under Pressure
...single-engine small aircraft engines have to have cooling airflow, the FWF area isn’t pressurized, so that means that the firewall has to be beefed up and, since it is a...
Being Cool
Despite Newton’s claims, those of us who have been upside down, under the panel, with sweat dripping uphill, know that there are sopping exceptions to the theory of gravity. We’ve...
Prop Job
...on takeoff. Combined with the brass fittings of the Model A engine and the vertical radiator limiting the forward view, it conjured up a time when aircraft were more mystical...
In Search of the Perfect (Oil) Temperature
...with the valve is about $80. It’s not nothing, but a small fraction of what the overall engine replacement cost, so there’s that. In theory, the oil-cooler bypass valve (the...
Cowl Flapped
...engine monitor were confusing, with the engine running cooler than I’d expected, though changing flap position did have an influence on CHT and, to a lesser degree, oil temp. But...
Going for Gold
...a brand-new Lycoming IO-390 engine. This offer turned out to be exactly what Darwin had been looking for: a brand new engine yet assembled with all of the special BPE...
In Case You Missed it
Wooden Props
While composite props are making inroads, the century-old technology of wood more than holds its own. By Paul Bertorelli.
Light Stuff
Dave Martin makes the case for the FAA revisiting its policy on residential airparks so that they can remain a vital home location and useful national resource.
2012 Plansbuilt Buyer’s Guide
The 2012 Plansbuilt Buyer’s Guide features 138 designs for those who prefer the challenge of building an aircraft from scratch.
Whimsy
There’s no reason to participate in the hobby—for that matter, any hobby—unless it’s underpinned by fun.