![[Credit: Lisa Credit]](https://www.kitplanes.com/wp-content/uploads/2026/10/Experimental.jpg?w=265&h=198&crop=1 "Have You Seen Your Oplims?")
![[Credit: Andrew Robinson]](https://www.kitplanes.com/wp-content/uploads/2026/10/737_VGs2.jpg?w=265&h=198&crop=1 "Vortex Generators")
![[Credit: Van's Aircraft]](https://www.kitplanes.com/wp-content/uploads/2026/10/Vans_RV14A.jpg?w=265&h=198&crop=1 "Something New On The Horizon")
![[Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/10/Chute-Topaz-Gigapixel-2x-scale.jpg?w=265&h=198&crop=1 "Should You Consider A Whole Aircraft Parachute?"){kind=tracking}
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.
Letters
Expletive Not Deleted (Best Letter)Dagnabbit! Tarmac is a material, not a place. Are you fed up with the medias ignorance? Places on airports have...
Vacuum-Bagging for Homebuilders
The first installment of a new series introduces you to the materials and equipment you'll need to tackle vacuum-bagging projects at home.
Aero ‘lectrics
Its important to understand the fundamentals before you can be conversant in electrical theory, so lets revisit Georg Simon Ohm and James Watt to see how their laws factor in to aircraft applications.
Wind Tunnel
This month well look at another complex interaction between aerodynamics and aircraft structures that can cause structures to fail: fabric flutter.
In Case You Missed It
Around the Patch
Recent casualties in the kit-aircraft universe including AirlinkTECH, Pillar Point Avionics and Superior Air Parts reduce services available to builders and potentially eliminate some healthy competiton. By Marc Cook.
