I buy mine from Aircraft Spruce...
Whoa... Aircraft Spruce? I oughta post some pics of my two projects with materials sourced from Aircraft Spruce (and others). Both powered by self-built VW Type-1 engines.
One fast at 190mph with a 60hp 1835cc. One pokey with a 40-ish hp 1600cc.
Airborne airheads rock [smiley=clap.gif]