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a=chord, b=thickness, thickness-to-chord ratio = b/a The F-104 wing has a very low thickness-to-chord ratio of 3.36%. In aeronautics, the thickness-to-chord ratio, sometimes simply chord ratio or thickness ratio, compares the maximum vertical thickness of a wing to its chord.
The PA-28-161 Warrior II flying in the livery of the Singapore Youth Flying Club. At the time of the Cherokee's introduction, Piper's primary single-engined, all-metal aircraft was the Piper PA-24 Comanche, a larger, faster aircraft with retractable landing gear and a constant-speed propeller.
The PA-32 series was developed to meet a requirement for a larger aircraft than the four-seat Piper PA-28 Cherokee. [3] The first prototype PA-32 made its initial flight on December 6, 1963, with the type being publicly announced in October 1964, with Federal Aviation Administration (FAA) aircraft type certification following on March 4, 1965. [4]
The PA-31-350T1020 (or T1020) was a PA-31-350 Chieftain optimized for and marketed for the commuter airline market, without the 40 US gal (151 L) auxiliary fuel tanks in each wing. [8] Up to eleven seats could be fitted, and baggage capacity was reduced from 700 to 600 lb (318 to 272 kg) maximum. [ 8 ]
Proportional navigation (also known as PN or Pro-Nav) is a guidance law (analogous to proportional control) used in some form or another by most homing air target missiles. [1] It is based on the fact that two vehicles are on a collision course when their direct line-of-sight does not change direction as the range closes. PN dictates that the ...
In 1792, the Lehigh Coal Mine Company (LCMC) was founded. [3] It was incorporated the following year, in 1793, and the company also acquired 10,000 acres (4,000 ha) [3] in and around Panther Creek Valley and Pisgah Mountain, [3] and the aim of hauling anthracite coal from the large deposits on Pisgah Mountain near what is now Summit Hill, Pennsylvania, to Philadelphia via mule train to arks ...
The axe logo was applied at the Piper factory to many PA-38s delivered. The Tomahawk is a single-engined low-wing cantilever monoplane with a T-tail and an enclosed cabin for two. It has a fixed tricycle landing gear and is powered by a Lycoming O-235 four-cylinder piston engine with a twin-bladed tractor propeller. The Tomahawk has two front ...
Thickness may refer to: Thickness (graph theory) Thickness (geology), the distance across a layer of rock; Thickness (meteorology), the difference in height between two atmospheric pressure levels; Thickness planer a woodworking machine; Optical thickness in optics; Thickness, a concept in the game Go; Thickness of a fluid, an informal name for ...