Prop Momentum Theory
Proper selection and design of the propeller is one of the keys to airplane performance.
Wind Tunnel
Last month we took a look at using hinge-line offset to aerodynamically balance control surfaces. Offset hinge balances are effective, but they were not...
Stressing Structure Series Reference Library
The engineering publications referenced in the KITPLANES series "Stressing Structures" by David Paule.
In Case You Missed It
Vroom!
Months of repair work netted Bill Repucci a new, more powerful engine for his RV-9. The increase in horsepower brings with it a shift in CG and handling characteristics.
Flight Testing: Static System Error – Theory and Practice, Part 2
In Part 2 of the series, Kevin Horton shows you how to gather and interpret flight-test data to identify static system error (spreadsheets included).
One Step Drill and Tap
We use quite a few small machine screws in our homebuilt projects. These small...