April 23, 1923

April 23, 1923

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ARMY AND NAVY AIR NEWS

U. S. Army Air Service

Lightning Protector for Balloons and Airships

By S. R. Winters8 min

Membership Campaign of the N.A.A.

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ARMY AND NAVY AIR NEWS

U. S. Army Air Service

Army Orders—Capt. Carl W. Connell, A.S., Aeromarine Plane & Motor Co., Keyport, N. J., appointed special inspecting officer at plants of Aeromarine Co.; Wittemann Aircraft Corp., Hasbrouck Heights, N. J.; and Thomas Morse Aircraft Corp., Ithaca, N. Y.
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Lightning Protector for Balloons and Airships

Lighter-than-Air Craft Safeguarded Against Static Electricity by Remarkable Invention

By S. R. Winters8 min

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Membership Campaign of the N.A.A.

National Aeronautic Association Starts An “America First in the Air” Campaign
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The Dornier “Wal” Twin-engined Flying Boat

All-Metal Seaplane for Long-Range Scouting And Bombardment Work Has Powerful Armament
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U. S. Captures Duration and Distance Records

Lieuts. Oakley G. Kelly and John A. Macready Fly 36 hr. 5 min. 20 sec. in Army Fokker T2
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Editorials

ANNOUNCEMENT has been made that the Dayton Wright Company will discontinue all aircraft work about July first. The retirement of this company from the aeronautical field is more important than would appear on the surface. Two facts are uppermost.
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ARMY AND NAVY AIR NEWS

U. S. Naval Aviation

Naval Orders—Lt. Comdr. Lewis Hancock, det. Bu. Eng. Navy Dept.; to Nav. Air Sta. Lakehurst, N. J. Ch. Carp. Francis J. Wilson, det. Inspector of Naval Aircraft, Davis Douglas Co., Santa Monica, Calif.; to U.S.S. Aroostook. Pay Clk. Oscar W. F. Hicks, det. Nav. Air Station Lakehurst, N. J.; to U.S.S. Orion.
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Employment and Specifications of Pilot Balloons

Pilot balloons are small balloons employed for the purpose of determining the direction and velocity of the wind at various altitudes. They are usually released at certain definite intervals from meteorological stations and from stations or ships to which aircraft are assigned.

By George V. Whittle3 min

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A Successful Power Plant

One of the outstanding aeronautical achievements of the past year was the development, by the Lawrance Aero-Engine Corp. of New York, of the first satisfactory American radial air-cooled engine. This engine, Model J1, develops normally 210 hp. at 1650 r.p.m. and a maximum of 245 hp. at 1950 r.p.m., and has a fuel consumption of 0.48 lb. per horsepower hour and an oil consumption of 0.03 lb. per horsepower hour.
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New Wind Tunnel at Mccook Field

A new wind tunnel, which will afford much more convenient aerodynamic facilities than have hitherto been available, has recently been completed and put in operation at McCook Field, writes J. C. Branham in the Air Service News Letter. Construction was begun in June, 1921, and the tunnel was completed in the summer of 1922.
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