Tweaking an Engine/Airframe For Efficiency
When an aircraft engine is tightly cowled without cowl flaps, running hot can be a problem. But there are solutions, as author Amy Laboda found out after much research and experimentation.
Engine Beat
UL Power of Belgium adds two new engines to its product line that are distinguished by the inclusion of Full Authority Digital Engine Control (FADEC). By Steve Ells.
Ask the DAR
Are computer software programs sufficient documentation of a build, and what do you do when a DARs request seems unreasonable?
Light Stuff
This years Sebring Expo was a harbinger of the future for Light Sport Aircraft, and it appears relatively steady. By Dave Martin.
Light Stuff
The flight-test program for Experimental Light Sport Aircraft (ELSAs) is much different from the one Experimental/Amateur-Built kit builders would employ, but they both require a plan. By Dave Martin.
What’s New
MGL extends its warranty, Grand Rapids introduces the Sport SX EFIS, Vertical Power has a new system, and more. Edited by Mary Bernard.
Product Review: J.P. Instruments EDM-740
JPI is offering a new compact, capable engine monitor that is built and priced for the homebuilt market. By Marc Cook.
Product Review: PS Engineering PMA5000EX
At its heart, the PMA5000EX is a four-place stereo intercom in an audio panel that supports two each of coms, navs, switching aux inputs, music inputs plus having five unswitched aux inputs and a front-panel input for a music source or cell. By Marc Cook.
What’s in Your Hangar
The FAAs Order 5190.6B has stirred ire in the hearts of many pilots, developers, aviation-related business owners and airpark residents who see further enforcement of land-use restrictions as unnecessary meddling by the feds.
Ask the DAR
What are the lighting requirements for homebuilt aircraft that will fly at night, and do you need a wet compass if you have an EFIS in your panel?
In Case You Missed It
Avionics Dropout
In this case, the non-builder owner stated that the avionics, including his EFIS, would...
Builder Profile: Orange Appeal
Marc Cook profiles a rookie Copperstate show winner: a spectacular F-1 Rocket with a distinct Harley vibe.