Single-blade propeller
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![](https://upload.wikimedia.org/wikipedia/commons/f/f1/Single-blade_propeller_drawing.gif)
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Asingle-blade propellermay be used on aircraft to generatethrust.Normallypropellersare multi-blades but the simplicity of a single-blade propeller fits well onmotorized gliders,because it permits the design of a smaller aperture of the glider fuselage for retraction of the power plant. The counterbalancedteeteringmono-blade propeller generates fewer vibrations than conventional multi-blade configurations.[citation needed]Often, single blade propeller configurations are touted as having a much greater efficiency than multi-blade propellers, but this is a falsehood outside the inertial losses in spinning a heavier propeller, and the minimal additional drag from added blades.[citation needed]Single bladed propellers are principally used to fulfill engineering requirements that fall outside the scope of efficiency.
Patents
[edit]- US Patent 2742095 Mechanism for balancing single blade aircraft rotor
- US Patent 6619585 Helicopter single-blade rotor
- US Patent 5971322- Propeller propulsion unit for aircraft in general
See also
[edit]- Samara (fruit)single blade-like seed which autorotates in nature.
Sources
[edit]- https://web.archive.org/web/20070418051732/http://www.glidingmagazine.com/FeatureArticle.asp?id=368
- https://web.archive.org/web/20070202111444/http://www.alisport.com/eu/images/img_news/Volaresett04/VOLARE_SETT04.htm