Category Archives: Aviation

A Longer Look at the PT6A-34 Powered Viking 400

An airplane that can go virtually anywhere, do anything, and operate in the most extreme weather—and that could sell for twice what you paid for it after 30 years—might sound like a fantasy. But the iconic DHC-6 Twin Otter, which de Havilland Canada ­produced, fits that description. It helped launch the commuter and regional airline industry in North America, remains the backbone of maritime coastal patrols for many navies, and serves the mining and oil industries worldwide. It lands on wheels, big tundra tires, straight floats, amphibious floats, and skis. Runways are optional. Nice flat surfaces of any kind are kid stuff. When it’s 60 below in Antarctica and some scientist needs to be medevaced, this is the airplane they send.

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A Thrush is “Reborn” with Upgrades & a PT6A-41

It was in 2010 that Thrush Aircraft introduced a new engine mount design for the 510 series Thrush, specifically the then newly certified H80 GE turboprop engine. The extension was approximately 18 inches forward of the hopper, creating a mini-storage area and eliminating the lead-shot ballast ring. Not only did this improve flight characteristics by moving the CG, but removed nearly 300 pounds of “dead” weight.

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King Airs and Caravans Serve Special Mission Needs

When it comes to special mission aircraft, Textron Aviation has a deep lineup of airplanes suited to the task, ranging from the single-engine piston Cessna 172 to its most sophisticated Citation jets. But its most popular mission-oriented aircraft come in two turboprop types, the Caravan single-engine and the twin-engine King Air series. Both product lines are prime examples of dual-purposing, with a large following in the civil market for everything from owner-flown transport to commercial charter and business aviation flight departments. But these aircraft, when equipped for specific non-commercial or military operations, show their true mettle.

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Maintaining Floatplanes

As one might intuitively guess, maintaining floatplanes and amphibians – particularly those which routinely operate commercial charters or scheduled services and need to provide very high levels of operational reliability – is a rather more specialized and MRO-intensive business than is maintaining aircraft which fly only from runways on land.

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The History of the Pratt & Whitney R-985 & The List of Aircraft Powered by the Radial Engine

The Pratt & Whitney R-985 Wasp Junior is a series of nine-cylinder, air-cooled, radial aircraft engines built by the Pratt & Whitney Aircraft Company from the 1930s to the 1950s. These engines have a displacement of 985 in; initial versions produced 300 hp (220 kW), while the most widely used versions produce 450 hp (340 kW).

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The History of the P&W R-1340 Powered T-6 Texan

The North American Aviation T-6 Texan two-place advanced trainer was the classroom for most of the Allied pilots who flew in World War II. Called the SNJ by the Navy and the Harvard by the British Royal Air Force, the advanced trainer AT-6 was designed as a transition trainer between basic trainers and first-line tactical aircraft. It was redesignated T-6 in 1948.

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