Andrew Robinson
Andrew Robinson is an aerospace engineer who spent half his career in airplane and rocket design with the major aerospace companies before accidentally falling into telecom. He mentors EAA youth builds on Saturday mornings in conjunction with working to finish his Thorp T-18 so that he can get back to flying.
![Aircraft control surface designs may include counterweights to offset and eliminate flutter. The counterweights should not be eliminated to save weight. [Credit: Kitplanes Archive]](https://www.kitplanes.com/wp-content/uploads/2026/03/kitfox-s7-sti-04.jpg?w=324&h=160&crop=1 "Weight and Flutter")
![[Credit: Eric Powell]](https://www.kitplanes.com/wp-content/uploads/2026/02/AdobeStock_1043661239-scaled.jpeg?w=324&h=160&crop=1 "Weight In The Balance")
Case Parting Plates
A low-cost, effective method for separating stubborn Lycoming O-290 case halves using homemade parting plates and basic hardware.
Adding a Taillight to a Completed Rudder
A creative, low-impact solution for mounting a light without cutting up your rudder.
In Case You Missed It
Build It Better: Testing, testing, one, two, three
There's no substitute for real-world testing--;something homebuilders should keep in mind when moving from the theoretical to the actual application.
CAD for the Home Shop
Explore how EAA members use Solid Edge and 3D printing to design, model, and build aircraft parts—affordably and efficiently with modern CAD tools.
