In Case You Missed it
DIY Firewall Penetration
Properly seal the firewall penetrations to keep fumes from entering the aircraft cabin.
Unlimited Oil Cooling
Building a carbon fiber cooling duct for Czech Mate, the Unlimited class pylon racer.
Viewfinder
Editor-at-Large Marc Cook flies the RANS S-7LS at the U.S. Sport Aviation Expo in Sebring, Florida, and hears encouraging news from vendors.