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Barnaby Wainfan

Barnaby Wainfan
198 POSTS 1 COMMENTS
Barnaby is a Technical Fellow for Northrop Grumman’s Advanced Design organization. A private pilot with single-engine and glider ratings, Barnaby has been involved in the design of unconventional airplanes including canards, joined wings, flying wings and some too strange to fall into any known category.

Design Process: Aileron Types

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The size and planform of the ailerons are set by the roll-control power needed to meet flying qualities and maneuvering requirements. Once the designer...

Design Process: Ailerons

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Last month we looked at roll control schemes for airplanes where high lift or other requirements do not leave enough room on the wing’s...

AirVenture Hail Shields

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With thunderstorms and possible hail predicted for Wednesday night, AirVenture exhibitors and visitors found a new use for bubble wrap and moving blankets. Thunderstorms did...

Flaperons, Spoilers and Drooping Ailerons

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There are some situations where there isn’t enough room on the wing’s trailing edge to split the functions cleanly between an inboard flap and...
rv-14 aileron

Design Process: Roll Control

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The primary function of the wing is to generate lift, but it must also incorporate control surfaces to control the airplane in roll.

Design Process: Slots and Slats

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Opening a properly shaped slot between the lower and upper surface of the wing near the leading edge can greatly increase the angle of...

Design Process: Droops and VGs

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In general, there are two ways to increase the maximum lift of a wing. The first, as we have been discussing the past couple...

Design Process: Flap Types

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Last month we took a look at the trade-offs the designer should consider when defining the flap system for the airplane. The choice comes...

Design Process: Flaps

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Flaps change the geometry of the wing to allow the pilot to change the aerodynamic characteristics of the airplane to match the needs of...

Laminar- vs. Turbulent-Flow Airfoils

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Airfoils break down into two general classes based on the behavior of the boundary layer.

In Case You Missed it

Expanding Current Technology

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The Fourth Annual Electric Aircraft Symposium gathered an elite group of movers and shakers who are doing some exciting things with electric motors and other fuel-efficiency technologies. By Marc Cook.

Completions

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Builders share their successes.

Ask The DAR

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DAR Mel Asberry answers a reader’s question regarding the Experimental/Amateur-Built eligibility of an airplane he’s building with parts salvaged from a Cessna 175.

Building the ‘Beater – Part 2

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Installing the control system.