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Barnaby Wainfan

Barnaby Wainfan
204 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.

Iterate, Modify and Fix

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Wind tunnel.

Magic Configurations

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Designers are continually trying to create new and better machines that will outperform and outsell what is currently available.

Marketability

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The manufacturer must be able to sell enough airplanes to stay in business and make some money.

Manufacturing Considerations

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The designer must consider all three factors: Mission, Manufacturing and Marketing.

Choosing the Configuration

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Most of our recent discussions on the process of designing an airplane were based on the assumption that the airplane has a generally conventional...

Design Innovation

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A designer must make a large number of decisions in the process of designing an airplane. These range from top-level decisions, like the overall...

Secondary Flows

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Cooling within the engine compartment—oil and accessories.

Variable Geometry Cooling System

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The way to reduce or eliminate excess cooling drag in cruise is to use a variable-geometry cooling system that can change shape to control the amount of air flowing through the cowling.

Cooling Outlet Design

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The design must focus on sufficiently cooling the engine while minimizing drag.

Cooling: Internal Flow

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Cooling the engine and its accessories requires a continuous flow of air to come in from outside the airplane to absorb heat from the...

In Case You Missed It

Checkpoints

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Changes.

Metal Magic: Fixing Mistakes and Making Adjustments

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No airplane project is perfect. You are human and you're going to make mistakes....

Gyroplane Safety

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by Ralph Taggart Most sport gyroplanes aren't beautiful or even cute, but there is no...

Take a Lap!

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Exhaust valve lapping, in place!