Wind Tunnel

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Involved in the flight testing of a friends aircraft, Barnaby Wainfan contemplates the consequences (and wisdom) of designing an aircraft around an engine that may prove unsatisfactory or, worse, unavailable.

Wind Tunnel

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Youd think a V-tail would have much to offer over a conventional tail in both reduced drag and lower weight. But how does it really pan out?

Wind Tunnel

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How do the power-to-weight ratio, wing loading, drag effects and propeller choices affect an aircrafts climb rate and climb angle?

It Pays To Heed Convention

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Barnaby Wainfan looks at unconventional flight-control configurations in the cockpit and why they can throw even a seasoned pilot.

Tail Surfaces and Aerodynamic Effects

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Major aspects of tail design and how they affect the performance of an aircraft in flight.

Wind Tunnel

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When conducting aerodynamic testing related to airflow over an object, how do you ensure that you've matched the conditions from one test to another, and why does it matter?

Wind Tunnel

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Don your thinking caps, kids. Its time to learn about the value of nondimensionalized aerodynamic data.

Wind Tunnel

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Pilots, especially those in low-powered aircraft, must always know how much energy they have available to maintain flight.

Wind Tunnel

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Although we often consider maximizing airflow over the exterior of an aircraft, we sometimes neglect internal airflow design that can cause significant drag.

Mind the Gap

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An ill-fitting joint where the wing joins the fuselage doesn't leap to mind as a foremost source of induced drag, but the effects can be significant.

In Case You Missed It

Error Chain

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Departure Stall! Good aircraft design and a bit of luck made it survivable. By Gary Knight and James Wiebe.

Making Peace with the Jabiru Engine

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Keep it cool: That’s the secret to success with the Jabiru engine, which will reward your efforts by being a simple, powerful and smooth-running powerplant. Dave Prizio offers some suggestions for Jabiru care.

Light Stuff

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Columnist Dave Martin flies one of the best-selling Special Light Sport Aircraft (factory-built), the Flight Design CTSW. Although he encounters a few surprises, transition training for pilots new to the design would likely alleviate such things.

Round-Engine Revival

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A visit to Verner Motor in the Czech Republic. By John Christian.