SOME encouraging news has recently been made public with respect to experiments with helicopters. While the problem of building a practical helicopter is yet far from its definite solution, it seems that the unflagging energy and ingenuity of the experimenters is beginning to bear more than theoretical results.
Outstanding Features of Metal Construction As Illustrated by its Principal Exponents
Roy G. Miller
F. E. Seiler, Jr.
The many advantages of the metal airplane over its wooden predecessor have become well established facts within the past few years. The problem today is not the choice between wood and metal but rather how best to design and fabricate metal parts.
The Danske Luftfartsselskab or Danish Airway Co. will inaugurate an aerial service between Copenhagen and Hamburg in April, with a two-hour flight schedule between these cities, Consul General Letcher reports to Commerce Department.
An official invitation has been sent by the Swedish Foreign Office to the United States to participate in the International Aero Exposition, which will be held at Gothenburg, Sweden, from July 20 to Aug. 12, this year, under the auspices of the Royal Swedish Aero Club and in connection with the 300th anniversary of the founding of the city of Gothenburg, Sweden’s chief sea port.
Review of the Development and Application Of Aircraft to Purposes of Transportation
Comdr. J. C. Hunsaker
At Versailles, on Sept. 19, 1783, the King and Queen, the Court, and a vast throng of people of every rank and age assembled to witness the ascent in Montgolfier’s hot-air balloon of a sheep, a cock, and a hen; the first aerial passengers. The experiment proved an astonishing success although the sheep is alleged to have trampled on the cock before the balloon came to earth two miles away.
The growing importance of aerial photography in its relation to rapid and accurate map making is well illustrated by a recent report of the Engineering Division, Air Service. This report covers the operations of a photographic mapping expedition to the State of Tennessee, which was directed by Capt. A. W. Stevens of the Aerial Photographic Branch of the Engineering Division, with Lieut. George W. Polk as pilot.
W. Wallace Kellett, American Representative for Henry and Maurice Farman, reports the sale of a 1923 Model Sport and Touring Plane to the Ludington Exhibition Co. for touring and demonstration purposes. C. T. Ludington, president of the company, expects to enter this machine, which will possess several new features, in most of the principal flying meets throughout the Country this coming season.
With a view to speeding up the creation of an airway service from Marseilles to Algiers, the French air department is preparing a seaplane competition between these cities. The length of the route is approximately 500 miles, with the Balearic Islands affording a midway stop.
A large group of aeronautical enthusiasts of Monmouth, Ill., recently tendered a dinner to Col. Paul Henderson, Chief of Air Mail Service, during his visit to that city. The banquet marked the opening of a campaign to provide funds for the maintenance of the Monmouth airport.
Annual Report of the Aeronautical Chamber of Commerce of America, Inc.
The Aeronautical Chamber of Commerce of America, Inc., completes its first year with a remarkable record of performance and enters 1923 with every indication of accelerated growth in the industry. Membership Doubled in a Year At the quarterly meeting of the Board of Governors, held in the Executive Offices of the Chamber, 501 Fifth Avenue, January 12th, reports were given indicating 100 per cent increase in membership, among the applications recently approved being : New Members in Class B Aluminum Company of America, Pittsburgh, Pa.
According to the Dayton, Ohio, News of Dec. 31, the Air Service Depot at Wilbur Wright Field, Fairfield, Ohio, is very active in the rehabilitation of the planes and motors for the Army. The article states : “During one 30-day period of the summer, 250 carloads of material from abandoned flying fields throughout the country were shipped into Wilbur Wright Field for storage.
The Schneider Maritime Aviation Cup Race will take place in England this year, probably toward the end of August. The selection of the course rests with the Royal Aero Club (the Holders), and their decision will be announced shortly. The Committee of the Royal Aero Club will select the three competitors to represent the British Empire, and reserves to itself the right to hold eliminating trials.
An interesting pursuit plane has recently been produced by the Dornier plant at Romanshorn, on the Swiss side of Lake Constance. This plane, called the Dornier “Falke” (Falcon), is an all metal cantilever monoplane, and is equipped with a 340 hp. Wright engine.
Twelve passengers and a crew of two aboard the Aeromarine flying boat “Governor Cordeaux” recently flew from Miami, Fla., to Nassau in the Bahama Islands, a distance of 187 miles in 1 hr. 51 min. The steamer time between Miami and Nassau is 18 hr. and the ordinary flying time is 2½ hr.
Some highly novel experiments in which the airplane has been used as an adjunct to artificial rain making are reported from McCook Field on the authority of Prof. Wilder D. Bancroft of Cornell University and L. Francis Warren. The two scientists conducted these experiments with the cooperation of the Air Service.
<p>The H16 flying boat Sampaio Correia II. which left Key West, Fla. Sept. 5, 1922 enroute for Rio de Janeiro, Brazil, arrived at the latter place after an eventful voyage on Feb. 8, having taken slightly over five months to cover the distance of 5880 miles.</p>
An explosion of unknown origin which occurred in the helium purification plant at Langley Field, Va., Feb. 3, killed Ben Johnson, civilian employe of the Air Service, and injured W. E. Snyders, of the Bureau of Mines. The accident happened when the dryer used for compressing air exploded, wrecking the compressor building and the pipe line.
The section of the Aeronautical Safety Code which deals with air traffic and pilotage rules is now practically complete. Other sections of the code are nearing completion and it is hoped to have the codes ready for promulgation within the year.
The kind of service a well equipped airplane company should be prepared to give at short notice is reported by the Johnson Airplane & Supply Co., of Dayton, Ohio. Last November C. J. Haskell, President of the Furman Oil Co., was a passenger on the crack “St. Louisan” enroute from New York to St. Louis.
Six flying boats and one land airplane have recently been licensed by the Department of Commerce to carry radio on board. They are the first American civil aircraft so equipped. Army and Navy aircraft have for some time past been fitted with radio apparatus, but government machines need not be licensed, whereas civil aircraft do.
According to press dispatches from Madrid, a helicopter built by a Spanish engineer, Juan la Cierva, successfully rose to a height of 25 meters (81 ft.) and carried out several horizontal flights. On one occasion the machine flew beyond the limits of the Getafe airdrome where the trials took place.
Army Orders—First Lieut. Robert T. Zane, A.S., from A.I. D. Middletown, Pa., to Panama Canal Zone. First Lieut. Joseph K. Baker, A.S., relieved from training at Balloon and Airship School, to Scott Field for duty. Resignation of Capt. John Hamilton Chew Williams, A.S., and of First Lieut. Welcome Bridges Elston, A.S., accepted by the President.