For Returning Visitors
Recent
Additions
A short guide to meaningful changes across Jon's Hangar. These are signposts, not duplicate articles: every notice leads to the permanent aircraft chapter or working room where the full story belongs.
November 2026
What changed in the hangar
October 2026
Power and packaging studies
Choosing the L-4 Electric Power System
A matched 24×10 BadAss–Scorpion comparison incorporates battery mass into the modeled airplane weight. A later 24×8 study is identified separately.
Review the eCalc comparison →The Battery Bay Rabbit Hole
Full-size mockups exposed the pack-width and extraction constraints behind the 12S battery shortlist. Final batteries, restraint and CG remain open.
Follow the bay investigation →September 2026
What changed in the hangar
Service Hatch Hinge Refinement
The L-4 rear-fuselage chapter now documents the received large pin hinges, the smaller replacement direction, hinge counts and the approximately 198 mm hatch—while keeping final installation explicitly open.
Open the L-4 chapter →Designing Around the Real Hardware
Owned L-4 equipment was measured on the bench so packaging work can include connectors, wire exits, bend radius, strain relief, access and removal—the real installation envelope, not just a catalog box.
See the L-4 packaging work →From the Airplane to the Archive
A proposed QR and NFC/RFID identity trail would connect physical components to readable website explanations and deeper Project Bible records. The concept is documented; no installed tag system is claimed.
Explore the Plans Room concept →