Fabricated an air filter box to fit the stock Glasair cowl-mounted element. The cover is aluminum with a 3" hole in the middle that feeds the snorkel that was made out of epoxy over a foam mold. A scat tube connects the snorkel to the aluminum tube that leads to the throttle body.

Devised an interesting way to jig my new Quinti spinner that guarantees that it will be straight when I drill the mounting holes. I set the spinner nose down into a large roll of tape.  I set the back plate into place as close as I could get it to center.  I clamped the back plate into place.  I used a digital level to level the back of the back plate.  I jigged a string and plumb-bob perfectly centered hanging from the back plate.  I then adjusted the back plate until the plumb-bob pointed directly at the inside of the tip of the spinner at the same time that the back plate was perfectly level.  This took a couple of tries at moving, leveling and re-clamping the back plate to the spinner to get it just right.  When everything lined up, I added more clamps, rechecked everything and drilled the holes.  Note: I had already drilled the holes into the back plate as a guide for drilling the spinner.  The final holes in the spinner were drilled from the backside of the back plate outward.

Fabricated and installed two cowl flaps for cooling test purposes. The cowl flaps will be used to determine the final cowl opening size needed for optimal cooling.