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Designer's Notebook

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aerodynamics of tail surfaces and strakes

Build, Test, Refine and Fix—Part 6: High AoA Tail Effects

Barnaby Wainfan - August 10, 2025

BAC 1-11 to illustrate pitch characteristics

Build, Test, Refine and Fix—Part 5: High AoA Pitch Characteristics

Build, Test, Refine and Fix—Part 4: Stall Characteristics

Taildragger aircraft at the point of transition from taxiing to flight.

Build, Test, Refine and Fix—Part 3: High-Speed Taxi Testing

Build, Test, Refine and Fix—Part 2: Taxi Testing

Stressing Structure

David Paule - July 16, 2015 0

Load distributions, part 2.

Wind Tunnel

Barnaby Wainfan - July 16, 2015 0

Getting it wrong.

Stressing Structure

David Paule - June 19, 2015 0

Load distributions, part 1.

Stressing Structure

David Paule - May 6, 2015 0

Axial stresses and the stress strain diagram.

All-moving Tails

Barnaby Wainfan - May 6, 2015 1

All-moving tails.

Stressing Structure

David Paule - April 16, 2015 0

Cable-operated aileron control system.

Wind Tunnel

Barnaby Wainfan - April 16, 2015 0

Horizontal tail design.

Stressing Structure

David Paule - March 20, 2015 1

Algebra and the elevator control system.

Wind Tunnel

Barnaby Wainfan - March 20, 2015 0

Spring systems.

Stressing Structure: Margins of Safety

David Paule - February 19, 2015 1

Margins of Safety.

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In Case You Missed It

The Airfoil Adventures of Harry Riblett

Scott Spangler - July 19, 2013 2

Finishing the work NACA started.

Adding Direct Air/Fuel Ratio Monitoring

Reinhard Metz - January 18, 2019 0

An easy way to optimize engine operation.

Light Stuff

Dave Martin - May 21, 2009 0

A bit of Brazil: Dave Martin flies the Paradise P-1 SLSA at the Sebring LSA Expo show.

Firewall Forward: Lycoming Engine Service School

Dave Prizio - April 17, 2012 0

Dave Prizio attends the Lycoming Engine Service School in Williamsport, Pennsylvania, and comes away from the experience with many lessons.