LC-130 takes off for Operation Deep Freeze

Master Sgt. Joseph Sinatra checks the air spring pressure on an LC-130 Hercules during a stop Oct. 18, 2010, at Hickam Air Force Base, Hawaii. The springs are used to absorb the shock of landing the ski-equipped aircraft on the Antarctic ice. Sergeant Sinatra and the rest of his LC-130 aircrew stopped at Hickam while en route to Antarctica to support Operation Deep Freeze, the Defense Department’s logistical support to U.S. research activities at the southernmost continent. Sergeant Sinatra is an LC-130 crew chief assigned to the New York Air National Guard’s 109th Airlift Wing at Stratton Air National Guard Base, N.Y. (U.S. Air Force photo/Tech. Sgt. Kerry Jackson).
US Air Force Link (www.af.mil) courtesy

LC-130 taking off with JATO from Greenland
LC-130 taking off with JATO from Greenland – Photo © Søren Wedel Nielsen (Copyright 2005)
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Sea King helicopter blade

Sea King helicopter blade cutaway view
Rotary-wing blade - Figure 1-17 © www.tpub.com

The main rotor or rotary wing on the H-3 has five identical wing blades. Other helicopters may have two, three, or four blades. A typical wing blade is shown in figure 1-17. The rotary-wing blade is made of aluminum alloy, except the steel cuff by which the blade attaches to the rotor hub. The main supporting member of the blade is a hollow, aluminum alloy extruded spar, which forms the leading edge. The steel cuff is bolted to the root end of the spar. Twenty-three individual pockets constructed of aluminum ribs, aluminum channels, and aluminum skin covering are bonded to the aft edge of the spar.

Text and cutaway view: www.tpub.com courtesy

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X3 concept – experimental compound helicopter

The Eurocopter X3 concept is a High-speed long-range Hybrid Helicopter (H3 concept) which flies up to 220 knots or 410 km/h. Special thanks to Xavier – http://passiondesavions.blogspot.com webmaster – who stumbled upon this French-subtitled video:

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Pre-flight Walk Around Inspection

Please visit www.ussportplanes.com

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Commentary on plane that lost wing in Argentina

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