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.
Pilot Institute
JULY 11, 2025
Since it’s a ratio, it doesn’t matter if you measure speed in knots, miles per hour, or meters per second. At sea level on a standard day (15 °C or 59 °F), sound travels about 661 knots (approximately 761 mph or 1,225 km/h). Here, Mach 1 is roughly 573 knots (about 659 mph). The Mach value stays the same.
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Photographic Logbook
MAY 25, 2025
I cancelled the flight to my hometown due to a combination of strong winds aloft, surface winds forecast at 20-something knots gusting to 30-something knots, and potential for IFR conditions and icing to boot. Both were immediately on board, but the weather was not. Too many strikes.
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%.
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.
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?
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.
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