August 8, 1921

August 8, 1921

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Experimental Flying Operations in Canada

By the Air Board17 min

A New Type of Wind Tunnel*

By Max Munk12 min

Bombing Raid on Eastern Cities

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More Features
166167

Experimental Flying Operations in Canada

Air Station Superintendent’s Report Foreword. The operations were instituted for the following purposes. To demonstrate to the officials of the Dominion and Provincial Forestry Branches the possibilities in aerial transport in connection with their work, and to carry out any experiments along such lines as necessary.

By the Air Board17 min

162163

A New Type of Wind Tunnel*

The difficulties involved in conducting tests on airplanes and airships in actual flight, difficulties greater in the early years of aviation than now, and the matter of expense also, induced investigators to seek for information through tests upon models.

By Max Munk12 min

160161

Bombing Raid on Eastern Cities

Sham Attacks for Practice on New York, Washington, and Other Cities
164165

The Klemperer Wing-Load Indicator

A pilot is limited in the maneuverability of an airplane by the strength limit of the airplane. To go beyond this limit is to break the weight carrying members. Pilots have had no guide by which they could judge the wing stress in its approach towards the ultimate stress.

By Leon N. W. Colin7 min

170171

The Royal Air Force Pageant

170171

Postponement of Detroit Air Meet

172173

Fokker to Build American Planes

164165

Detachable Fairleads for Aircraft

170171

Aviation in Japan

158159
EDITORIALS

Wind Tunnel Testing

August 11921 August 151921