In Case You Missed It
![sideview shows the Better Half with the full VW case. [Credit: Legal Eagle Airplane]](https://www.kitplanes.com/wp-content/uploads/2026/02/Milholland-V-Twin_Side-View-324x160.jpg "Better Half VW")
Small-bottle O2: Aithre, Aerox Compacts
Personal-sized oxygen bottles save space and weight, while serving as belt-and-suspender backup. But go bigger if you use O2 regularly.
Alternative Energies
Dean Sigler checks in on the Green Flight Challengers of 2011 who didn’t make it to the competition to see what they’re up to now.
Project Management for Builders
Sometimes you need tools you wont find in your toolbox. By Lynne Wainfan, Ph.D.