VW 4 Cyl and also HALF VW 2 Cyl Aero Engine conversion plans

VW 4 Cyl and Half VW 2 Cyl Aero Engine Conversion Plans

Detailed Plans and Instructions on How To convert VW engines for Airplane use. Pictures, parts lists, tips and more.

Full 4-Cylinder and Half VW 2-Cylinder Conversions

Covers both the full VW 4-cylinder conversion (40-60 hp) and the popular “half VW” 2-cylinder (25-35 hp). The air-cooled VW is one of the most popular powerplants in homebuilt aviation – widely available, inexpensive, well-understood, and parts are stocked by auto parts stores worldwide.

Pairs With These Aircraft Plans

The VW 4-cylinder suits designs like the J1-B Ultralight, while the half VW is ideal for lighter aircraft like our powered ultralight gliders.

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