MGL Infinity Singles
MGL Avionics/Stratomaster has cut a nice swath through the EFIS and discrete-electronic-instrument world. The company’s ALT-1, from its Infinity Singles line, makes a good, low-cost backup altimeter with a surprising list of features. By Marc Cook.
25th Anniversary: Engines of Change
In the days of the Wright brothers, the Flyer would have been impossible had the boys not endeavored to develop their own powerplant. While the Experimental/Amateur-Built movement has been carried aloft by versions of certified aircraft engines, the alternative engine movement has provided viable options for builders. By Marc Cook.
Challenger Enjoys a Birthday
250 enthusiasts gathered at Erie Airpark, in Illinois, to celebrate a major milestone: The 25th anniversary of the Quad City Challenger line of aircraft. By Bryan Quickmire.
Taking Care of Old Pushy and Pulley
Modern propellers do a good job of converting engine horsepower into thrust, and are generally tough and sturdy. But every prop needs care. Steve Ells looks at the top prop-care tips.
Ask the DAR
A reader asks if he can use his Experimental/Amateur-Built aircraft for instruction. DAR Mel Asberry’s answer: It’s not a problem, but charging for transition training of a non-owner pilot requires a specific operational exemption.
Light Stuff
Although Van’s has been a top-selling kit manufacturer for years, the company’s foray into the SLSA (factory-built Light Sport Aircraft) market with the RV-12 has proven to be challenging—and the airplane may not ever be sold ready-to-fly. By Dave Martin.
Contributors
Steve EllsAnd so we welcome another one from the “dark side” of general aviation, Steve Ells. Formerly a West Coast staffer at AOPA’s Pilot...
Letters
Is Your Engine Missing? I read every issue with extreme interest, but this year’s edition of the engine buyer’s guide did not contain any...
Home Machinist
Let’s take it to the edge. Where is the edge? If, up to now, all you’ve done is scribe a target and eyeball the position of the drill bit, this is for you. By Bob Fritz.