Tag: homebuilt aircraft kits
![A SubSonex personal jet in aerobatic flight. Thea design will expand with a two-place model kit in the months ahead. [Credit: Sonex Aircraft]](https://www.kitplanes.com/wp-content/uploads/2026/08/SubSonex_Acro.jpg?w=324&h=160&crop=1 "Sonex Reopens")
In Case You Missed It
The New Old Aero Engine!
ULPower takes a different approach to air-cooled, horizontally-opposed, direct-drive engines. By Steve Ells.
Build, Test, Refine and Fix—Part 6: High AoA Tail Effects
We explore how the tail design can improve pitch stability at high angles of attack.
What’s New
ShareZen eases shared plane ownership, and marking wires is made easier by Bogerts tool. Edited by Mary Bernard.