take-off
Effects of body size on take off flight performance in the Phasianidae (Aves)
... spp.) take off vertically while swans (Cygnus spp.) take off in a laboured manner, with a shallow initial angle of ...for take-off, teal may utilize smaller ponds with less open ...
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Aerodynamic consequences of wing morphing during emulated take off and gliding in birds
... during take-off (low J ) but not during gliding (high J ...regularly take off vertically from the ground and may thus have slotted feathers to increase C V at low ...
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PERFORMANCE OF A BUTTERFLY IN TAKE OFF FLIGHT
... of take-off flight of a ...during take-off flight is mainly due to the pressure drag generated by the wings in ‘near fling’ ...to take off ...
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Optimum take off techniques and muscle design for long jump
... Several experimental investigations of the long jump can be found in the literature (e.g. Luhtanen and Komi, 1979; Lees et al., 1994; Stefanyshyn and Nigg, 1998). The limiting factors for attaining greater jumping ...
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Effectiveness and efficiency of two distinct mechanisms for take off in a derbid planthopper insect
... at take-off (Sunada et ...achieve take-off (Bimbard et ...moths, take-off is propelled by movements of the middle and hind legs while the wings remained closed (Burrows and ...
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Kinematics and mechanics of ground take off in the starling Sturnis vulgaris and the quail Coturnix coturnix
... of take-off (for reviews, see Norberg, 1990; Padian and Chiappe, 1998), since ideas of how a proto-flier supports itself in the air are strongly linked to proposals of how it got into the ...the ...
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Transition from leg to wing forces during take off in birds
... birds, take-off has an important function in predator–prey interactions, foraging, mate finding and many other ecologically pertinent ...addition, take-off is also a key component of the ...
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Impact of Ground Effect on Airplane Lateral Directional Stability during Take Off and Landing
... Aircraft aerodynamic characteristics and dynamic behaviour are subjected to changes in proximity to the ground during landing approach and take-off flight [3]. An increase in the lift force, reduction in ...
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Whiteflies stabilize their take off with closed wings
... perform take-off jumps with closed wings, the abrupt push against the ground sends the insect into the air rotating forward in the sagittal ( pitch) ...and take-off in insects with removed ...
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Modal Analysis of Power Take Off Gearbox
... In any given situation, there are always three factors: Source-where the dynamic forces are generated Path-how the dynamic forces are transferred Receiver-how much noise/vibration can be tolerated One of the ...
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Problems and Barriers Impeding the Implementation of MagLev Assisted Aircraft Take Off and Landing Concept
... The second part of the paper defined and analysed the development of the radically new technologies, including the 1) definition of the revolutionary new, so called disruptive technologies, 2) methods of technology ...
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Take off and landing forces in jumping frogs
... Anurans take off by extending their hindlimbs and using their forelimbs for ...phase take up during saltatorial locomotion in frogs? By recording the GRFs we can answer: (2) are peak landing forces ...
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Superconducting and conventional electromagnetic launch system for civil aircraft assisted take off
... The engine size of modern aircraft is principally determined by take-off conditions, since initial acceleration requires maximum engine power. An Electromagnetic Launch (EML) system could provide some or ...
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Preparing a solar take off: solar energy demonstration and exhibitions in Japan, 1945–1993
... as a central piece of energy technology. Furthermore, the first half of the 1980s was a time when Japan’s electric power companies strengthened their PR effort, using public exhibitions at museums. Kyūshu Electric Power ...
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Take off speed in jumping mantises depends on body size and a power limited mechanism
... the platform to which a mantis would jump. This maximal distance for eliciting jumps depended on the age and hence size of the mantis: for a sixth instar mantis the target was 60 – 80 mm (1.5 to 2 body lengths) from the ...
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The landing–take off asymmetry of human running is enhanced in old age
... At each running step the muscle-tendon units are subjected to a stretch–shorten cycle as the body bounces off the ground. Muscle-tendon units are composed of two structures in series having a very different ...
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Implementation of multiphase piezoelectric composites energy harvester on aircraft wingbox structure with fuel saving evaluation
... The hybrid FEM/analytical model has been imple- mented to perform energy harvesting simulation of a notional civil jet aircraft wingbox. The multiphase composites with various compositions have been ap- plied the wingbox ...
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Study on Flight Safety Risk Evaluation Model Based on Flight Exceedance Events
... and take-off are the ...taking off phase contributed greatly to high pitch rate at rotation, low speed at rotation, high speed at rotation and low pitch rate at ...
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Take-home physics experiment kit for on-campus and off-campus students
... if students did not have these items, replacements could be found. The internet has software timing devices available for free use, while the known masses were replaced with coins. As mass sets can be expensive, the use ...
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The ‘technological take off’ and the 'critical mass' A trial conceptualization
... If the critical year ( is not identified, henceforth the conditions specified in Eq.(7) are not satisfied, and this implies that the emergence of ‘technological take- off’ has been held. Technically, it ...
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