"Air Service Technical Orders No. 25" (Air Service Information Circular (Aviation and Aerostation) Vol. IV, No. 350), 1922-05

Item — Box: MC-019-001, Folder: 001.A.013

Identifier: 20141354

Staff Only

Scope and Contents

Document Type: Technical Research Report Authority: Government Military (authoritative reference) Document Number: Technical Orders No. 25 [Air Service Information Circular (Aviation and Aerostation) Vol. IV, No. 350] (dated May, 1922).

Scope: Compilation report prepared by Engineering Division, Air Service, McCook Field.

Contents: Contains short but detailed summary information on all activities of the U.S. Army AIr Service Engineering Division, as well as a survey of developments in aeronautics and aviation writ large, especially military aviation.

Chapters include: - NEW DESIGN -- Airplanes -- Balloons and Airships -- Engines Including Article on "Aeromarine U 8 D" Engine -- Equipment -- Air Service Entries -- Pulitzer Prize Race, 1922 - EXPERIMENTATION -- Resumé of Engineering Division Serial Reports - FOREIGN DEVELOPMENT -- Aviation in Japan - NEW BOOKS AND DOCUMENTS -- Latest Documents on Aeronautics

Related to aircraft engines, the report includes information on the following air-cooled types: Wright "Radial" 350 h.p. 9-cylinder; and the following water-cooled types: Almen "1-B" 375 h.p. 18-Cylinder, and a detailed article on the Aeromarine "U 8 D" 180 h.p. 9-Cylinder.

Dates

Publication: 1922-05

Creator

United States. Army. Air Service (1917-1926) (Publisher, Organization)
United States. Army. Air Service. Engineering Division (Author, Organization)

Conditions Governing Access

This collection is open for research in the Archives & Special Collections reading room. Handling guidelines and use restrictions will be communicated and enforced by archives staff members.

Extent

1 Issue

Language of Materials

English

Additional Description

Folder Contents

Items in the same folder (ID #s): 20141352, 20141353, 20141354 and 20141355.

Digital Scan Location

spc_aehs_000056

Format & Physical Description

Format: stapled, loose-leaf booklet, 8.5”x11” (40 pages (last page blank) plus dark green cardstock covers). Includes black & white photographs, charts and drawings. Staples have been removed. Pages have been three-hole punched after publication without losing any information.

Publication Data

Publication Data: "Published by Direction of the Chief of the Air Service" in Dayton, Ohio in May, 1922.

Note 1: Labeled "Confidential" on the cover. The following is on page 2: "The information contained herein is confidential and must not be published, either in whole or part, without the express permission of the Chief of the Air Service." Note 2: Available on-line from the Aircraft Engine Historical Society web site (enginehistory.org)