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In Case You Missed it

Homebuilt O2

Do-it-yourself oxygen systems for when the air gets thin.

Engine Theory: Forced induction

Putting super into the intake equation.

Geared Drives Remembered

The innovative work of Bud Warren contributed much to the homebuilt community and saved many an engine from being relegated to the scrap heap. By Rick Lindstrom.

Maxing Out the Fun Factor

For those who have experienced it, the fun of going on a flying trip...