Tag: shop tips
![SR-1 cowl being integrated with spinner and cooling ducts. The cowl is assembled to itself/to the fuse primarily with countersunk #8 screws. [All images credited to Eric Stewart]](https://www.kitplanes.com/wp-content/uploads/2026/09/1KP.jpg?w=324&h=160&crop=1 "Custom Cowl Fabrication: Building the SR-1 Composite Cowl")
In Case You Missed It
Buzz Words: Understanding Dihedral Effect
While certified airplanes have to meet Part 23 requirements for positive dihedral, amateur-built airplanes are exempt. Ed Kolano looks into the details of dihedral, and how you can use it to your airborne advantage.
Wind Tunnel
Stall flutter is the result of the elastic axis of a wings surface being aft of the aerodynamic center, resulting in instability. A vicious cycle of lift, twist, stall and lift may ensue.
Viewfinder
Vertical Power’s VP-400 stands ready to locate the nearest airports and help you plot and execute an emergency landing—welcome assistance for the pilot experiencing an in-flight failure. By Marc Cook.