Hummingbird wing efficacy depends on aspect ratio and compares with helicopter rotors

Hummingbirds are the only birds that can sustain hovering. This unique flight behaviour comes, however, at high energetic cost. Based on helicopter and aeroplane design theory, we expect that hummingbird wing aspect ratio (AR), which ranges from about 3.0 to 4.5, determines aerodynamic efficacy. Pre...

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Udgivet i:J R Soc Interface
Main Authors: Kruyt, Jan W., Quicazán-Rubio, Elsa M., van Heijst, GertJan F., Altshuler, Douglas L., Lentink, David
Format: Artigo
Sprog:Inglês
Udgivet: The Royal Society 2014
Fag:
Research Articles
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC4233735/
https://ncbi.nlm.nih.gov/pubmed/25079868
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rsif.2014.0585
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