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
Unusual Attitude
On his way home from an unexceptional summer jaunt, author Bill Repucci got a most exceptional call from the tower.
The Owner Assisted Interior
Working with an upholstery expert can save you money and time when designing and installing an interior in an Experimental aircraft. By Mike Manning.
Case Parting Plates
A low-cost, effective method for separating stubborn Lycoming O-290 case halves using homemade parting plates and basic hardware.