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Wind Tunnel Tests Of A Dual Rotating Propeller Having One Component Locked Or Windmilling
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Book Synopsis Wind-tunnel Tests of a Dual-rotating Propeller Having One Component Locked Or Windmilling by : Walter A. Bartlett
Download or read book Wind-tunnel Tests of a Dual-rotating Propeller Having One Component Locked Or Windmilling written by Walter A. Bartlett and published by . This book was released on 1945 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: The effect on the propulsive efficiency of locking or windmilling one propeller of a six-blade dual-rotating-propeller installation was determined in the Langley propeller-research tunnel. Tests were made of both pusher and tractor configurations, with the unpowered propeller both leading and following the powered propeller, which was set at a blade angle of 40°. The maximum propulsive efficiency of the powered propeller in combination with the locked or windmilling propeller was, in all cases, lower than that of the powered propeller operating alone. The locked propeller gave greater maximum propulsive efficiencies when used as a contravane to remove rotational energy from the slipstream than when used as a means for imparting initial twist to the air. The windmilling propeller, however, was equally efficient both leading and following the driven propeller. In the tractor installation, smallest losses in maximum propulsive efficiency were obtained when the unpowered following propeller was locked at a blade angle of 90° and when the unpowered leading propeller was allowed to windmill at a blade angle of 45°. In the pusher installation, equal losses in maximum propulsive efficiency were obtained when the unpowered following propeller was either locked at 90° or windmilling at 55°, but the unpowered leading propeller gave smallest losses when windmilling at 55°.
Book Synopsis Index of NACA Technical Publications by : United States. National Advisory Committee for Aeronautics
Download or read book Index of NACA Technical Publications written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1949 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis United States Government Publications, a Monthly Catalog by : United States. Superintendent of Documents
Download or read book United States Government Publications, a Monthly Catalog written by United States. Superintendent of Documents and published by . This book was released on 1946 with total page 1808 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Book Synopsis United States Government Publications Monthly Catalog by :
Download or read book United States Government Publications Monthly Catalog written by and published by . This book was released on 1946 with total page 1718 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind-tunnel Tests of a Dual-rotating Propeller Having One Component Locked Or Windmilling by : Langley Aeronautical Laboratory
Download or read book Wind-tunnel Tests of a Dual-rotating Propeller Having One Component Locked Or Windmilling written by Langley Aeronautical Laboratory and published by Hassell Street Press. This book was released on 2021-09-10 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis Wartime Report Release List by : United States. National Advisory Committee for Aeronautics
Download or read book Wartime Report Release List written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1947 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wartime Report by : United States. National Advisory Committee for Aeronautics
Download or read book Wartime Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wartime Report written by and published by . This book was released on 194? with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reproductions of reports, some declassified, of research done at Langley Memorial Aeronautical Laboratory during World War II. The order of reports does not represent when they were chronologically issued. Reference to the original version of each report is included.
Book Synopsis NACA Wartime Report by : United States. National Advisory Committee for Aeronautics
Download or read book NACA Wartime Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Contractor Report by : United States. National Aeronautics and Space Administration
Download or read book NASA Contractor Report written by United States. National Aeronautics and Space Administration and published by . This book was released on 1970 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by :
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by and published by . This book was released on 1949 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of NACA and NASA Published Information of Pertinence in the Design of Light Aircraft. Volume 3 - Propulsion Subsystems, Performance, Stability and Control, Propellers, and Flight Safety by : Clifford J. Moore
Download or read book A Study of NACA and NASA Published Information of Pertinence in the Design of Light Aircraft. Volume 3 - Propulsion Subsystems, Performance, Stability and Control, Propellers, and Flight Safety written by Clifford J. Moore and published by . This book was released on 1970 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Scientific and Industrial Reports by :
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1948 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cumulative Title Index to United States Public Documents, 1789-1976 by : Daniel W. Lester
Download or read book Cumulative Title Index to United States Public Documents, 1789-1976 written by Daniel W. Lester and published by . This book was released on 1982 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineering Index Annual written by and published by . This book was released on 1948 with total page 1610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Project Independence by : United States. Federal Energy Administration
Download or read book Project Independence written by United States. Federal Energy Administration and published by . This book was released on 1974 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Project Independence Blueprint by : United States. Federal Energy Administration
Download or read book Project Independence Blueprint written by United States. Federal Energy Administration and published by . This book was released on 1974 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
