Edmund Dulac’s Tanglewood Tales: Jason Choosing Tiphys for the Voyage of the Argo Edmund Dulac’s illustration...
Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
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- Regular price
- $23.42
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Direct Lift Aircraft, U.S. Patent No. 1,994,488 (granted 1935) presents a pioneering rotary-wing aircraft design that laid the groundwork for the modern helicopter. Rendered as detailed black-and-white technical drawings, the patent illustrates a single main lifting rotor combined with a vertical tail rotor to counteract torque. The schematic style emphasizes airflow, mechanical clarity, and balance, capturing the moment when vertical flight shifted from theory to practical engineering. As an artwork, it reflects the elegance of early aeronautical problem-solving through precise industrial linework.
The inventor, Igor I. Sikorsky, was one of the most influential aviation engineers of the 20th century. Born in Russia and later working in the United States, Sikorsky revolutionized flight by successfully developing the first practical helicopters. His career bridged fixed-wing aircraft and vertical-lift innovation, and his patents remain iconic symbols of technological progress. This work solidified his legacy as the father of the modern helicopter.
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Paper Finishing: Matte, smooth, non-reflective surface.
Paper Weight: 200 gsm (80 lb), thickness: 0.26 mm (10.3 mils).
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Paper Finishing: Matte, smooth, non-reflective surface.
Paper Weight: 200 gsm (80 lb), thickness: 0.26 mm (10.3 mils).
Sustainable Paper: FSC-certified or equivalent paper for sustainability.
Matte paper, recognized for its non-shiny finish, is often favored for its elegant aesthetic.
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