Index of NACA Technical Publications

Index of NACA Technical Publications PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 734

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Index of NACA Technical Publications

Index of NACA Technical Publications PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 734

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Book Description


A Selected Listing of NASA Scientific and Technical Reports for ...

A Selected Listing of NASA Scientific and Technical Reports for ... PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 750

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NASA Historical Data Book

NASA Historical Data Book PDF Author: Jane Van Nimmen
Publisher:
ISBN:
Category : Electronic government information
Languages : en
Pages : 560

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When Titans Clashed

When Titans Clashed PDF Author: David M. Glantz
Publisher: University Press of Kansas
ISBN: 0700621210
Category : History
Languages : en
Pages : 576

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Book Description
On first publication, this uncommonly concise and readable account of Soviet Russia's clash with Nazi Germany utterly changed our understanding of World War II on Germany’s Eastern Front, immediately earning its place among top-shelf histories of the world war. Revised and updated to reflect recent Russian and Western scholarship on the subject, much of it the authors' own work, this new edition maintains the 1995 original's distinction as a crucial volume in the history of World War II and of the Soviet Union and the most informed and compelling perspective on one of the greatest military confrontations of all time. In 1941, when Pearl Harbor shattered America's peacetime pretensions, the German blitzkrieg had already blasted the Red Army back to Moscow. Yet, less than four years later, the Soviet hammer-and-sickle flew above the ruins of Berlin, stark symbol of a miraculous comeback that destroyed the Germany Army and put an end to Hitler's imperial designs. In swift and stirring prose, When Titans Clash provides the clearest, most complete account of this epic struggle, especially from the Soviet perspective. Drawing on the massive and unprecedented release of Soviet archival documents in recent decades, David Glantz, one of the world's foremost authorities on the Soviet military, and noted military historian Jonathan House expand and elaborate our picture of the Soviet war effort—a picture sharply different from accounts that emphasize Hitler's failed leadership over Soviet strategy and might. Rafts of newly available official directives, orders, and reports reveal the true nature and extraordinary scale of Soviet military operations as they swept across the one thousand miles from Moscow to Berlin, featuring stubborn defenses and monumental offensives and counteroffensives and ultimately costing the two sides combined a staggering twenty million casualties. Placing the war within its wider context, the authors also make use of recent revelations to clarify further the political, economic, and social issues that influenced and reflected what happened on the battlefield. Their work gives us new insight into Stalin's political motivation and Adolf Hitler’s role as warlord, as well as a better understanding of the human and economic costs of the war—for both the Soviet Union and Germany. While incorporating a wealth of new information, When Titans Clashed remains remarkably compact, a tribute to the authors' determination to make this critical chapter in world history as accessible as it is essential.

Effect of Aspect Ratio and Sweepback on the Low-speed Lateral Control Characteristics of Untapered Low-aspect-ratio Wings Equipped with Retractable Ailerons

Effect of Aspect Ratio and Sweepback on the Low-speed Lateral Control Characteristics of Untapered Low-aspect-ratio Wings Equipped with Retractable Ailerons PDF Author: Jack Fischel
Publisher:
ISBN:
Category : Ailerons
Languages : en
Pages : 44

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Book Description
Results and discussion are presented of a low-speed lateral-control investigation of three untapered unswept wings of aspect ratio 1.13, 2.13, and 4.13 and an untapered 45 degrees sweptback wing of aspect ratio 2.09 equipped with 0.60-semispan retractable ailerons having various projections. Continuous-span ailerons were tested at outboard stations on the unswept wings, and plain (continuous span) and stepped (segmented) ailerons were tested at various spanwise stations with and without simulated actuating arms on the sweptback wing.

The Daily Bond Buyer

The Daily Bond Buyer PDF Author:
Publisher:
ISBN:
Category : Bonds
Languages : en
Pages : 1016

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Wind-tunnel Investigation at Low Speed of Lateral Control Characteristics of an Untapered 45° Sweptback Semispan Wing of Aspect Ratio 1.59 Equipped with Various 25-percent-chord Plain Ailerons

Wind-tunnel Investigation at Low Speed of Lateral Control Characteristics of an Untapered 45° Sweptback Semispan Wing of Aspect Ratio 1.59 Equipped with Various 25-percent-chord Plain Ailerons PDF Author: Harold S. Johnson
Publisher:
ISBN:
Category : Aerofoils
Languages : en
Pages : 38

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Book Description
A wind-tunnel investigation at low speed was made to determine the lateral control characteristics of a 45 degree sweptback untapered semispan wing of aspect ratio 1.59 equipped with various 25-percent-chord plain unsealed ailerons. Variations of the lateral-control data with aileron span and spanwise location were determined through a large aileron-deflection range for various angles of attack up to about the angle of maximum lift.

Catalog of School Reform Models

Catalog of School Reform Models PDF Author:
Publisher: U.S. Government Printing Office
ISBN:
Category : Education
Languages : en
Pages : 248

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Book Description


Generation Rx

Generation Rx PDF Author: Greg Critser
Publisher: Houghton Mifflin Harcourt
ISBN: 0618773568
Category : Business & Economics
Languages : en
Pages : 323

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Book Description
Examines the possible consequences of the growth of prescription drug use and the impact of direct-to-consumer promotion (DTC) and off-label marketing.

Aerodynamic Characteristics of a Spoiler-slot-deflector Control on a 45© Sweptback Wing at Mach Numbers of 1.61 and 2.01

Aerodynamic Characteristics of a Spoiler-slot-deflector Control on a 45© Sweptback Wing at Mach Numbers of 1.61 and 2.01 PDF Author: Douglas R. Lord
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 52

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Book Description
An investigation has been made in the Langley 4- by 4-foot supersonic pressure tunnel at Mach numbers of 1.61 and 2.01 to determine the aerodynamic characteristics of a spoiler-slot-deflector control on a 45 degree sweptback wing having an aspect ratio of 3.5, a taper ratio of 0.3, and an NACA 65A005 airfoil section. The model was equipped with a 15-percent-chord spoiler-slot-deflector extending from 13 o 78 percent of the wing semispan. The spoiler and deflector were hinged along the 60- and 75-percent-chord lines, respectively. Tests were made at a Reynolds number of 3,000,000 (based on the mean aerodynamic chord of the wing) and covered ranges of angles of attack from -3 to 15 degrees, spoiler projections from 0 to 8.0 percent chord, and deflector projections from 0 to 7.6 percent chord.