Flying Magazine
MAY 1, 2024
The majority of the lift generated by an unstalled airfoil is always concentrated near the front, and moving a trailing-edge flap up or down changes the flow conditions at the leading edge. The FW-190 rolled 151 deg/sec at 226 knots, the Spitfire 150 at 176, and the P-40 134 at 315.
AV Web
JULY 23, 2024
The three-blade “Polaris” prop for the Diamond DA-40NG not only increases cruise speed by three knots, but cuts noise output to 74 dB – an important consideration for a trainer. The four-blade carbon-fiber scimitar prop decreases weight by 20 pounds (compared with a metal prop) and cuts takeoff distance by 25%.
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Pilot Institute
MARCH 28, 2025
When air flows over the aircraft wing, the shape of the airfoil creates low pressure above the wing and relatively higher pressure below the wing. This lateral movement takes place at a speed of about two or three knots. Wake turbulence can cause severe roll and structural damage to smaller aircraft. How Are Wingtip Vortices Formed?
Vintage Aviation News
OCTOBER 18, 2024
“Coming back around, I’m usually at about 60 knots. This was a characteristic of the Mk II and Mk III Bulldogs, but was eliminated in the Mk IV when the airfoil was changed, enclosing the tanks entirely. In this fighter, you don’t make square turns, so to speak. of Great Britain, built 443 of the type.
Aerotime
FEBRUARY 14, 2025
Every leg of the trip was awarded a speed record, with the jet flying at 536 knots (Mach 0.935) at 39,000 feet. It came to the market with Rolls-Royce AE 3007 high bypass turbofans, large engine intakes, and a highly swept wing with supercritical airfoil. This solidified its place as the fastest business jet in the world at the time.
Air Facts
JULY 22, 2024
irplane controls work per the Lever Principle, and a wing’s airfoil shape increases lift via the Bernouilli Principle and Coanda Effect. five hours at 150 knots vs. five weeks at 5 knots). The oldest is Archimedes’ Law. The Four Forces of Flight (Lift, Thrust, Drag & Gravity) obey Newton’s Three Laws of Motion.
Plane and Pilot
AUGUST 3, 2024
As North American discovered with the Sabreliner, Lear soon realized that the real expense in designing a new aircraft are the hours spent perfecting the airfoils, landing gear, and major systems. Thus, the search for a suitable design led to Switzerland and the orphaned P-16 lightweight fighter project.
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