September 12, 1955

AVIATION SAFETY

Faulty Ils Descent Caused Crash

AERONAUTICAL ENGINEERING

How Russians ‘stormed Sonic Barrier’

Naca Formula Eases Supersonic Flight

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AVIATION SAFETY

Faulty Ils Descent Caused Crash

THE ACCIDENT Northeast Airlines’ Flight 792, a DC-3, N 17891, crashed during an instrument descent to the Berlin, N. H., airport on Nov. 30, 1954, about 1115.¹ The first officer and a company flight superintendent, who was on the cockpit jump seat, were killed.
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AERONAUTICAL ENGINEERING

How Russians ‘stormed Sonic Barrier’

The duel of creative thought and the battle of technical ideas goes on in the quiet of designers’ workrooms for many years. In war and peace there is no letup even for a day in this silent struggle which has no temporary armistices, no final victories, no unconditional surrenders.
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Naca Formula Eases Supersonic Flight

Washington—A revolutionary concept in supersonic aircraft design that is increasing speeds of U. S. military aircraft by as much as 25% was revealed today by the National Advisory Committee for Aeronautics. Known as the area rule and developed by Richard T. Whitcomb of NACA’s Langley Aeronautical Laboratory, this concept reduces the once-complicated procedure for determining minimum aircraft drag configuration to a simple graphical procedure.

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AERONAUTICAL ENGINEERING

Cal Works to Adjust Man to Supersonic

The studies at Cornell Aeronautical Laboratory, Inc., can be divided into three basic groups: function (of the pilot), comfort and safety. They have included head impact investigation, automatic parachute releases, supersonic cockpit studies, development of padding materials, evaluation of human movements (kinetics) in crashes and aircraft tire testing.
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FINANCIAL

Usaf Contracts

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Farnborough Shows British Design Lag

Farnborough, England—The future promise of two turbojets—the Rolls-Royce Conway and the de Havilland Gyron—was the brightest spot in the otherwise dullest Society of British Aircraft Constructors display since 1950. There were no basically new aircraft designs to demonstrate, no large production quantities of in-service airplanes to point to, no hidden surprise leading to brilliantly-conceived future types.

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AIR TRANSPORT

Capital Wins East-west Nonstop Routes

CAB gives Northwest Chicago as stop on New York flights, denies scheduled service to North American.

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PRODUCTION

Steel Rule Technique Cuts Costs of Metal-blanking Dies

A cost-cutting, time-saving technique for making sheet metal stamping dies and producing stampings is now available for license to the aviation industry. The patented technique basically uses plywood-supported high-carbon steel rules in conjunction with a steel male die in place of conventional steel plate dies.

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EDITORIAL

The Area Rule Breakthrough

One of the most significant military scientific breakthroughs since the atomic bomb has been contributed to the American aviation industry by the National Advisory Committee for Aeronautics’ discovery and development of the area rule for supersonic aircraft design.

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AERONAUTICAL ENGINEERING

Doman to Expand Civil, Military Projects

Danbury, Conn.—Doman Helicopters, Inc., is preparing a major expansion to meet its planned military and civil rotary-wing aircraft program. Final decisions on the requirements, including the additional financing needed, will be made within a month, Doman company President Donald S. B. Waters informed AVIATION WEEK.

September 51955 September 191955