October 1, 1956

BUSINESS FLYING

Aero’s 680 Embodies High Performance

TRANSPORT

Jet Transport Orders Set Airline Future

BUSINESS FLYING

Cessna 620 Design Blends Proven and New

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BUSINESS FLYING

Aero’s 680 Embodies High Performance

Bethany, Okla.—Aero Design and Engineering Co.'s Aero Commander 680 Super, five-seven place executive transport, is 7,000 lb. of high performance airplane. Two 340 hp. Lycoming GSO-480A1A6 engines with engine driven superchargers give extra altitude capability for going above and around unexpected weather, simultaneously yielding high cruising speeds in all flight regimes.

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TRANSPORT

Jet Transport Orders Set Airline Future

Lockheed, Convair, Douglas, Boeing compete for medium-haul market; more orders seen for pistons.
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BUSINESS FLYING

Cessna 620 Design Blends Proven and New

Wichita—Dovetailing requirements for a major breakthrough in multiengine business plane performance with proven reliability of current large though obsolete aircraft set the pace for the basic layout of the new Cessna 620, Ralph Harmon, chief project engineer, told AVIATION WEEK.

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MANAGEMENT

Maintenance Plagues Fine Army Base

Setif, Algeria—Obviously a good deal more money has been spent by the French Army for its main helicopter base at Setif than the French Air Force has spent at Boufarik. A visitor arriving from the Air Force base can’t help but be impressed by Setif.

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EQUIPEMNT

Jato Shortens Business Plane Takeoff Requirements

Millville, N. J—Performance creditin the form of shortened runway takeoff length requirements—has been granted to Jato-equipped executive aircraft by the Civil Aeronautics Administration. In an interim ruling, the CAA has granted runway length reductions to Jato-equipped planes equal to approximately 25% of the difference between the all-engine distance and the oneengine-out takeoff distance.

3435

Everest Blames Slow Moving X-2 Project on Lack of Research Funds

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MANAGEMENT

Washington Roundup

As the man whose office is responsible for providing the means for launching an artificial satellite before the endof 1958, Dr. Clifford C. Furnas, Assistant Secretary of Defense for Research and Development, is not underestimating the job.

4849
AVIONICS

Why Bell Favors Three Turbine Layout

New York—Bell Aircraft Corp., in proposing a triple-turbine helicopter, believes safety features of this installation far outweigh a small 1.5% payload to gross weight loss compared with a single turbine and offers either superior engine out performance or 15 % more payload than a twin turbine.
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MISSILE ENGINEERING

Combustion Is Focus of Rocket Meeting

Buffalo, N. Y.—The American Rocket Society’s National Fall Meeting here was largely devoted to getting down to business on scientific and engineering details of rocket and ramjet fuels and the combustion and heating problems that will follow the solution of these propulsion problems.

2627

Buaer Adopts Weapon Systems Concept

Navy reorganizes BuAer research and development activity to help insure maximum weapon capability.

September 241956 October 81956