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Fixed Pitch vs. Constant Speed
...pitch of the blades, it can’t adjust the blade twist or planform. Why Constant Speed? Looking at Figure 1, we can see the primary reason to choose a constant-speed prop....
Tech-Built Skyotë
...years ago in the December 1976 issue of Sport Aviation. The Skyotë uses a biplane planform, with a swept wing that will remind you of a B cker B 133...
Rapid Prototyping and Experimental Design
...span) that give us planform area and thus lift, which is the job of a wing. In a world where wet wing fuel capacity is your primary interest though, you...
Wind Tunnel
...while the governor can change the pitch of the blades, it cant adjust the blade twist or planform.Why Constant Speed?See Figure 1 to appreciate the primary reason to choose a...
Remember When: The BD-5 Micro
...same tight radius, watching his tiny gray planform growing rapidly in my sights. We executed a classic scissors and yo-yo, and then circled once before I latched on to his...
Letters
...force due to a small difference of the blades in pitch, planform or both. If a two-blade propeller is mounted to a 6-inch flange with as little as 0.01-inch (ten-thousandths...
Tail Surfaces and Aerodynamic Effects
...arm. Tail Design Considerations The airplane designer must choose the right combination of tail arm, tail area and tail planform to provide the desired characteristics. The most fundamental trade-off is...
Sensenich Goes Composite, Introduces New Ground-Adjustable Prop
...internal-pressure-molded system. According to the company, this production process yields a durable, low-inertia propeller. The propeller is designed with a swept-blade planform for maximum efficiency. The EZ-pitch hub features a...
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
Gross Weights and “Destroyed” Airplanes
Where you you find the gross weight of an aircraft? And can you re-register an airplane that the FAA has deemed "destroyed?"
Keeping a Battery Current
“With an anxiety that almost amounted to agony, I collected the instruments of life...
The Ultimate Upgrade
As Martha and Wendell Solesbee near completion on their Lancair Evo, they encounter the minor setbacks that make the “90% done, 90% to go” expression ring true.