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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

Maintenance Matters

Dave Prizio - October 19, 2018 0

Differential compression test.

The Big Bearhawk

Paul Dye - November 30, 2020 1

Bearhawk 5: more room, more horsepower…more everything.

It’s Time to Start

Marc Cook - October 29, 2019 0

It’s said you don’t know where to begin until someone shines a light down...

Souls On Board: Two

Paul Dye - October 23, 2014 0

The FAA will soon allow an additional pilot during Phase 1 testing.