A simple and accurate method of estimating overall diameter
E. S. Taylor
THE OUTSIDE diameter of a radial engine is of the utmost importance, since it determines the size of cowl ring necessary and therefore to a large extent the drag of the fuselage. In most airplanes the vision forward would be markedly improved by a reduction in engine diameter.
JAPAN, whose eyes were opened to world civilization by an American, Commodore Perry, was also led by Americans into the field of aviation. The first balloon which flew in Japanese skies was introduced by a Mr. Spencer, in 1892. He was followed by Charles K. Hamilton in 1909 with an airship, making a flight over Tokyo City.
<p>A MAN in New York received a cable that his wife was dying in Paris. He went to three trans-Atlantic pilots and, offering to buy all the necessary equipment and pay the flyer who took him, asked to be flown across. He never got there. In fact, he never left New York.</p>
Multiple lens aerial camera lends speed and accuracy to the map maker
<p>THE SCIENCE of cartography was born when some nameless primitive man scratched a crude diagram on the sandy floor of his cave to show his family where lay the carcass of the day’s kill,—but it is a far cry from meaningless marks in the dust to the exact and detailed maps available to-day.</p>
The Robot makes flying smoother and safer for the passenger and affords welcome relief to the human pilot
A STIFF Atlantic breeze tore at the fringes of low-lying clouds and marshalled serried ranks of white-capped rollers against the sandy bulwarks of Long Island. At two thousand feet, Wiley Post’s trim Lockheed “Winnie Mae” drilled along with arrow-like precision with scarcely a wobble to show for the rough air outside.
ON JUNE 15 President Roosevelt placed his signature upon a document which has been variously described as “the herald of a new era,” “the first long step toward Bolshevism,” “a charter of liberation for industry,” and “a horrible example of what comes from trusting professors.”
THOUGH soaring flight no longer casts the spell over the aircraft industry that it did in 1930, when there were bright hopes of building fifty thousand gliders and teaching a million American youth to fly, it has just as much real importance for the industry today as at any time in the past.
AS AN ALMOST universal rule, in almost every state and country, the automobile that is to carry passengers or freight for hire receives a distinctive type of license and bears a distinctive type of number-plate. It, and its driver as well, must often meet special requirements going far beyond those imposed on purely private operation.
ANNOUNCING a widespread reorganization of the Aeronautical Chamber of Commerce to keep pace with the new obligations which trade associations must bear, T. A. Morgan, president of the Chamber and also president of the Curtiss-Wright Corporation, revealed the plans for a change in the organization’s management.
July 1-4 National Air Races, Los Angeles. July 1-4 American Air Races, Chicago. July 8 King’s Cup Race, Hatfield, England. July 10-23 Fourth Annual National Soaring Contest, Elmira, N. Y. September International Gliding Congress and Meeting, La Banne, d’Ordanche (Clermont Ferrand), France.
CONTINUING our usual custom of keeping AVIATION readers thoroughly informed on the latest news and progress in aeronautics, we are passing along the most recent flying regulations for Egypt, just received from the Ministry of Communications, Aviation Department.
LIKE the mule, and other hybrids, the amphibious airplane is often a clumsy critter, partaking of many of the vices and few of the virtues of its mixed parentage and tolerated not so much for its beauty as for its usefulness. In airplane design beauty of line is frequently (although not always) an indication of quality of performance, and, based on such a criterion, Maj. Alexander Seversky’s new amphibion shows signs of stepping beyond the average range of its class.
<p>THE largest powers can afford extreme specialization of type in their air force equipment, but many of the smaller nations, trying to stretch limited military budgets to the limit, show a decided interest in airplanes capable of performing a variety of military missions.</p>
OF THE eight machines primed to compete for the Deutsche de la Meurthe cup on May 29, only three completed the twenty laps around the triangular course from Etamps, Chartres and Boncé. Two machines were eliminated by crashes before the race, one resulting in the death of Captain Arrachart, well-known French pilot.
THE THIRD of the volumes that contain the reports presented at the First International Congress of Aerial Safety held in Paris in 1931. The first two volumes appeared some time ago, and have previously been reviewed in AVIATION. The present installment is much like its predecessors, a miscellaneous collection of some 80 papers, most of them of French origin.
THE ORIGINAL table of lift increasing devices prepared for AVIATION for May was not intended to be a comprehensive study of the subject. Since this table was published there has been some discussion of the values used and attention has been called to one fundamental error.
THE Baldwin-Southwark Corporation of Philadelphia, Pa., has lately announced the availability of a new type of recorder controller which can be applied to hydraulically operated tensile testing machines. It provides full automatic control as an auxiliary to manual control, and may be applied to existing machines with little change in basic arrangement.
THE Columbian Steel Tank Company has recently delivered to the United States Army Air Corps, twelve airplane and airship refueling units to be used on military flying fields in the United States and its possessions. The truck chassis incorporates a six-wheel drive transmission with eight speeds forward and two speeds in reverse, driven by a Hercules 130 hp., six-cylinder engine. The refueling equipment consists of a 1,500-gal. gasoline tank, a 100-gal. oil tank, and a 50-gal. water tank.
MET-L-WOOD CORPORATION of 6755 West 65th Street, Chicago, has been developing recently a composite paneling which has had some usage as cabin lining for airplanes. Panels consist of two thin sheets of aluminum separated by a balsa wood core.
TO ASSIST in focussing the new General Electric Bi-post lamp now specified for airway beacon service by the U. S. Department of Commerce, the Nela Park engineering department of General Electric Company has developed a pre-setting device.
AIR TRANSPORT EQUIPMENT, - Inc., has developed a new type of puller for removing the steel guides from Wright Whirlwind cylinder heads. The puller spindle is made of a special heat-treated high chrome nickel steel, and is mounted on a large-size Timken thrust bearing.
• Engineering Leadership, Pratt & Whitney Aircraft Company, Hartford, Conn. An elaborately gotten up booklet of some twenty pages containing the stories of many of the most famous users of Pratt & Whitney engines. Maps and photographs have been given unusual artistic treatment.