Tag: Stephen Osborne
![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
Aero ‘lectrics
How do you condition a battery not in regular use to extend its lifetime? Run it down and then charge it back up. Jim Weir explains how to achieve this with about $10 worth of parts.
Building and Flying an RV-8
For pilots brought up with standard certified aircraft, the RV-8 will plaster a grin on their face that can’t be washed off and rarely fades.
Ask the DAR
Is replacing one panel with another considered a major modification? And what is a “significant” change to weight and balance?