LWD Aircraft
LWD may refer to: * Large woody debris * Logging while drilling, on oil wells * Lotnicze Warsztaty Doświadczalne, a Polish aerospace manufacturer * Leigh Warren and Dancers, now Dance Hub SA Dance Hub SA, formerly Leigh Warren & Dancers or Leigh Warren + Dancers (LWD) and then LWDance Hub, is a contemporary dance company based in the South Australian capital of Adelaide. Formed in 1993 by Leigh Warren, the company toured i ...

Large Woody Debris
Large woody debris (LWD) are the logs, sticks, branches, and other wood that falls into streams and rivers. This debris can influence the flow and the shape of the stream channel. Large woody debris, grains, and the shape of the bed of the stream are the three main providers of flow resistance, and are thus, a major influence on the shape of the stream channel. Some stream channels have less LWD than they would naturally because of removal by watershed managers for flood control and aesthetic reasons. The study of woody debris is important for its forestry management implications. Plantation thinning can reduce the potential for recruitment of LWD into proximal streams. The presence of large woody debris is important in the formation of pools which serve as salmon habitat in the Pacific Northwest. Entrainment of the large woody debris in a stream can also cause erosion and scouring around and under the LWD. The amount of scouring and erosion is determined by the ratio of the ...
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Lotnicze Warsztaty Doświadczalne
''Lotnicze Warsztaty Doświadczalne'' (LWD) was the Polish aerospace manufacturer and construction bureau, located in Łódź, active between 1945 and 1950. The name meant Aircraft Experimental Workshops. It was the first Polish post-war aerospace construction bureau. History The World War II and German occupation destroyed the whole Polish aviation industry. As soon as eastern part of Poland was liberated, in October 1944 a group of designers gathered in Lublin in a Design Bureau of Ministry of Communication. It was directed by Aleksander Sułkowski, but the main designer became Tadeusz Sołtyk. In primitive conditions, the bureau started works upon a utility aircraft Szpak-1. In early 1945 the construction bureau moved to liberated Łódź and on April 1, 1945 there were created the Aircraft Experimental Workshops (LWD), subordinated to the Ministry of Communication. The Szpak-1 was not built, but there was designed and built its development variant, the LWD Szpak-2 utilit ...
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