Plans★ Popular
Pietenpol Sky Scout plans (1932, public domain)
Bernard Pietenpol's original Sky Scout drawings & build articles — Public Domain via the Internet Archive. 1.5 MB PDF.
FREE download
The ClearProp store
Gear, picks & plans
ClearProp merchandise, avgeek favorites, and a special section for homebuilt & experimental plans — free downloads where the plans are public, official sources where they're for sale.
Vans Aircraft★ Popular
Vans RV-series plans (official, paid)
Official RV-12iS plans & manual — checkout routes to Van's Aircraft.
$95.00
Buy from official source ↗
Plans
Flying and Glider Manual 1930 (public domain)
1930 compendium of flying & glider plans — the roots of the homebuilt movement. 77 MB scan.
FREE download
Plans
Flying & Glider Manual 1931 (public domain)
Modern Mechanics & Inventions 1931 — the classic homebuilt/glider plans compendium (includes early Pietenpol drawings). 58 MB scan.
FREE download
Plans
Flying & Glider Manual 1933 (public domain)
Modern Mechanics & Inventions 1933 edition — homebuilt & glider plans compendium. 61 MB scan.
FREE download
Have plans to share or sell?
Designers can list homebuilt and experimental plans here — free community downloads or paid official sets, with links routed to your sales page. Reach out via the contact link in the footer.