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Design Process: Twist Effects
For the last few months, we have been looking at how the planform affects both the distribution of lift and the distribution of lift coefficient (Cl) along the span of...
Design Process: Distribution of Lift Coefficient
...the choice of wing planform, but we are not done yet. Up until now we have been discussing characteristics that are purely due to the planform shape of the wing....
Design Process: Planform Effects on Structure and Weight
Last month we took a look at how the planform of the wing affects the spanwise distribution of lift along the wing. The shape of this span loading has a...
Design Process: Planform Effects on Span Loading and Drag
Last month we started our discussion of wing planforms with a look at the various planform shapes in use. We now turn our attention to the effects of differing planforms...
Design Process: Planform Shape
...is the shape of the wing planform. There is a lot to consider here. The planform of the wing affects its span efficiency, stall characteristics, structural layout and weight. The...
Design Process: Span and Aspect Ratio
...turn our attention to details of the planform. The most fundamental design decision at this point is the choice of span and aspect ratio. These two parameters are mathematically linked...
Backcountry Cruzer
...and the Sonex weighed 600 pounds with its 80 hp AeroVee engine. The mass was pretty close, but the wing planform was not.” The Cruzer’s high-wing design provides good ground...
Design Process: Cantilever Wings
...changes in wing planform, wing sweep or airfoil shape to move the position of the spar at the wing root forward or aft relative to the aerodynamic center of the...
Design Process: Wing Design
...(high, mid or low) Wingspan and aspect ratio Planform shape Airfoils Flaps and other high-lift devices Wing twist Wing structural layout At this point in the design, wing area and...
Biplane Gold
...the late spring of 2003. Robbie Grove says Phantom’s wings are basic, “hot wire, blue foam” constructions. Robbie started with airfoils and planforms specified by the Phantom team, then calculated...
In Case You Missed It
Ask the DAR
Mel Asberry clarifies the requirements for a builders log. The bottom line? The requirements are minimal: It should show that you actually built the aircraft, but its helpful to show as much detail as you can. And make sure you're in the photos, doing the work.
