Franklin O-500 Explained

The Franklin O-500 (company designation 6AL-500 and 6A8-215) was an American air-cooled aircraft engine that first ran in the mid-1940s. The engine was of six-cylinder, horizontally-opposed layout and displaced 500abbr=onNaNabbr=on. The power output was 215abbr=onNaNabbr=on.

Variants

6AL-500:(alternative designation) 215abbr=onNaNabbr=on at 2,500 rpm, with crankcase/prop-shaft extension for pusher installation.

6A8-215-B8F:215abbr=onNaNabbr=on at 2,500 rpm, with crankcase/prop-shaft extension for pusher installation.

6A8-215-B9F:same as B8F but with different ignition components.

Applications

• Convair 106 Skycoach
• Piaggio P.136
• Republic RC-3 Seabee
• Waco Aristocraft

Further reading

• Book: Gunston . Bill . World encyclopaedia of aero engines . 1986 . P. Stephens . 9780850597172 . 57.
• Book: Gunston, Bill . World Encyclopaedia of Aero Engines . Sutton Publishing . Stroud . 2006 . 5th . 978-0-7509-4479-3 .
• Book: Gunston, Bill . World Encyclopaedia of Aero Engines . 1989 . Patrick Stephens Limited . Cambridge, England . 978-1-85260-163-8 . 2nd .