Black Checkered Flag WWI Propeller 31.5″ Aeromarine. This decorative airplane Black Checkered Flag WWI Propeller 31.5″ Aeromarine is a replica and brand new. The aircraft wooden propeller is handcrafted of solid Mahogany wood. Hand sanded, varnished and hand painted. The propeller has a varnished finish and black checkered flag tips with a historical “Aero Marine” emblem label applied. A wall mounting bracket is included. It is sure to become a decorative & conversational addition to your aviation wall decor whether hanging over the mantel or leaning against the wall in a corner. Size: 31.5″ length x 5″ width x 2.5″ deep, Weight: 2.18 lbs, Material: Solid Mahogany wood, Handcrafted, Includes: Wall mounting bracket Aeromarine Propeller Black Checkered Flag WWI Propeller 31.5″ Aeromarine This decorative airplane Black Checkered Flag WWI Propeller 31.5″ Aeromarine is a replica and brand new. The aircraft wooden propeller is handcrafted of solid Mahogany wood. Hand sanded, varnished and hand painted. The propeller has a varnished finish and black checkered flag tips with a historical “Aero Marine” emblem label applied. A wall mounting bracket is included. It is sure to become a decorative & conversational addition to your aviation wall decor whether hanging over the mantel or leaning against the wall in a corner. Size: 31.5″ length x 5″ width x 2.5″ deepWeight: 2.18 lbs Material: Solid Mahogany wood HandcraftedIncludes: Wall mounting bracket Free shipping within the continental 48 U.S. States Aircraft propellers convert rotary motion from piston engines or turboprops to provide propulsive force. They may be fixed or variable pitch. Early aircraft propellers were carved by hand from solid or laminated wood with later propellers being constructed from metal. The most modern propeller designs use high-technology composite materials. The twisted airfoil (aerofoil) shape of modern aircraft propellers was pioneered by the Wright brothers. They found that a propeller is essentially the same as a wing and so were able to use data collated from their earlier wind tunnel experiments on wings. They also found that the relative angle of attack from the forward movement of the aircraft was different for all points along the length of the blade, thus it was necessary to introduce a twist along its length. Their original propeller blades are only about 5% less efficient than the modern equivalent, some 100 years later. The article “Propeller (aircraft)” is part of the Wikipedia encyclopedia. HTTPS://en.wikipedia.org/wiki/Propeller_(aircraft) More Decorative WWI Aircraft Wooden Propellers Are Available. Please buy with confidence-100% money-back guarantee Please browse CaptJimsCar-go for more Aviation Home Decor, Nautical Furniture, Museum Quality Ship Models, Old World Style Globe Bars and Low Priced Nautical Gifts! To browse more items – Click on the Logo below (close the new window to return to this item)! 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