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Barnaby Wainfan

Barnaby Wainfan
200 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.

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...

Cooling Inlets, Part 2

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As we saw last month, an ideal cooling air inlet system should ingest air from the free stream and bring it to rest or...

Cooling Inlets

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The cooling air inlet serves two functions: First, and most important, the inlet must ingest enough air to properly cool the engine and accessories...

Cooling

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As we saw in last month’s edition of Wind Tunnel, only about one-third of the energy released by burning the fuel in an internal...

Power and Heat

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The cooling system is a major component of the airplane. It has a large impact on the performance and reliability of the machine. The...

In Case You Missed it

Kit Stuff

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Error Chain

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The demise of the Cosmic Fish.

Do-It-Yourself Ejection Seat

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Adding lift to the seat allows a builder to exit his Fly Baby easily (plus it’s virtually undetectable to bystanders).

Stressing Structure

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Bending.