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6th Aircraft Repair Unit, Floating (ARUF) Photographs

Names:
United States. Army Air Forces. 6th Aircraft Repair Unit, Floating (ARUF)  Search this
Extent:
0.1 Cubic Feet ((2 folders))
Type:
Archival materials
Collection descriptions
Publications
Photographs
Date:
1941-1945
Scope and Contents:
This collection consists of forty-three 8 x 10 inch black and white copy photographs, predominantly of 6th ARU(F) personnel, facilities (including the ship) and aircraft in the Philippines and Japan from 1945 through very early 1946; notable is a view of the 6th ARU(F) Sikorsky R-6 Quick Match with personal art. Also included are close-up views of nose art on several aircraft from other USAAF units, including Consolidated B-24 Liberators Joy Rider, Glamouras', Tarfu, Long Island Belle and Umbriago; Consolidated F-7 Photo Fanny; Lockheed P-38 Well, Bust Ma' Britches!; and an unnamed Northop P-61 Black Widow. Several images are of 7th Air Service Area Command (7th ASAC) facilites at Haneda Air Base, Japan. Three images show captured Japanese aircraft (a Kawanishi H6K5 Mavis, an Aichi E16A1 Paul, and a Mitsubishi G4M3 Betty) awaiting preparation for shipment by the 7the ASAC. Accompanying textual material includes photocopies of documents, including a short history of the formation of the U. S. Army Air Forces Helicopter School (1944-1945) with a personnel list, an accident survey report regarding the loss of Sikorsky R-4B s/n 43-46584, a vessel status card for the USS Brig. Gen. Alfred J. Lyon, and several circa 1990s newspaper clippings relating to the history of the 5th ARU(F) based onboard the USS Brig. Gen. Clinton W. Russell. Also included are photocopies of the photographs with added notes from 6th ARU(F) veterans.
Biographical / Historical:
The US Army Air Forces 6th Aircraft Repair Unit, Floating, based on the US Army aircraft repair ship USS Brig. Gen. Alfred J. Lyon, utilized Sikorsky R-4 and R-6 helicopters during the end of World War II. The 6th ARU(F) was one of six ARU(F) helicopter units which operated in the Pacific Theatre under the code name "Ivory Soap." The 6th ARU(F) was based in the Philippines circa early 1945, with the USS Brig. Gen. Alfred J. Lyon docked at Yokohama, Japan, later that year, following the Japanese surrender.
General:
NASMrev
Provenance:
William E. Blockley, Transfer, 2000, 2000-0053, NASM
Restrictions:
No restrictions on access
Rights:
Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, please submit an Application for Permission to Reproduce NASM Material, available at Permissions Requests
Topic:
Sikorsky (USA) R-4 (H-4) Family  Search this
Sikorsky (USA) R-6 (H-6) Family  Search this
Airplanes, Military -- Decoration  Search this
North American B-25 Mitchell Family  Search this
Aeronautics  Search this
Aeronautics, Military  Search this
World War, 1939-1945  Search this
Genre/Form:
Publications
Photographs
Identifier:
NASM.2000.0053
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_collection:sova-nasm-2000-0053

Mandel Lenkowsky Early Vertical Flight Development Collection

Creator:
Lenkowsky, Mandel  Search this
Extent:
2.18 Cubic Feet (2 records center boxes)
Type:
Archival materials
Collection descriptions
Notebooks
Photographs
Publications
Date:
1935-1952
Summary:
This collection includes notebooks containing scientific notes and mathematical calculations, a random assortment of journals and periodicals, published reference books, and a few advertising and promotional brochures all pertaining to American experimental military and commercial vertical flight from the late 1930s to the late 1940s. The collection also contains photographs of the following helicopters: Sikorsky XR-1, XR-4, YR-4, XR-5, XR-6, XR-6A, VS-300; Kellet XO-60 and XO-61; and Rotachute P-4. Also included are photographs of helicopters by Pitcarin, Landgraf, Greyhound Bus, Spratt, Berliner, Ochmichen, and DeBothezat.
Scope and Contents:
The Mandel Lenkowsky Early Vertical Flight Development Collection contains correspondence, manuscript notes, notebooks of scientific and mathematical notes, periodicals, and published reference materials about experimental military and commercial vertical flight from the 1930s to the 1940s. The collection includes photographs of the Sikorsky XR-1, XR-4, YR-4, XR-5, XR-6, XR-6A, VS-300; Kellet X0-60 and X0-61; and Rotachute P-4 helicopters; as well as the Berliner, DeBothezat, Greyhound Bus, Landgraf, Ochmichen, Pitcairn, and Spratt helicopters.

The collection contains chapters from Mandel Lenkowsky's unpublished manuscript, The Helicopter, and his correspondence with Macmillan Publishing Company. The book was scheduled for publication in the summer of 1945. In his correspondence, Lenkowsky stated he would like to focus primarily on the development of the Focke helicopter (Germany, 1934-37) and was trying to secure rights to mention it in his book. There is no evidence in the collection that Lenkowsky completed the book or that it was ever published.
Arrangement:
The collection is arranged into the following series:

Series I: Correspondence and Manuscript Notes

Series II: Scientific and Mathematical Notes, Aircraft Drawings, and Published Works
Biographical/Historical note:
Mandel Lenkowsky was a civil and aeronautical engineer. He attended the Guggenheim School of Aeronautics at New York University from September 1933 until June of 1937. He later attended the School of Engineering at Princeton University from October to November of 1943. His post graduate work detailed the development of rotary wing aircraft. Lenkowsky was employed as an aeronautical draftsman at the U.S. Naval Air Station, Lakehurst, New Jersey, from February 1941 until June of 1941. In August of 1941, Lenkowsky was employed by the Army Air Forces (A.A.F.) Materiel Center, as a project engineer. Lenkowsky resigned from the Army Air Forces at Wright Field in Dayton, Ohio, in October of 1944 to dedicate full time to the completion of his book on the development of the helicopter.
Provenance:
Leslie Lenkowsky, gift, 1989, 1989-0099, NASM
Restrictions:
No restrictions on access
Rights:
Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, Please submit an Application for Permission to Reproduce NASM Material, available at Permissions Requests.
Topic:
Periodicals  Search this
Sikorsky (USA) R-4 (H-4) Family  Search this
Sikorsky (USA) R-6 (H-6) Family  Search this
Sikorsky (USA) XR-6A  Search this
Sikorsky (USA) XR-6  Search this
Kellet XO-60 Autogiro  Search this
Sikorsky (USA) VS-300 Family  Search this
Aeronautics  Search this
Kellet XO-61 Autogiro  Search this
Aeronautics, Military -- Research  Search this
Helicopters  Search this
Aeronautics, Commercial  Search this
Aeronautics, Military  Search this
Helicopters -- Flight testing  Search this
Sikorsky (USA) XR-5  Search this
Sikorsky (USA) XR-4  Search this
Genre/Form:
Notebooks
Photographs
Publications
Citation:
Mandel Lenkowsky Early Vertical Flight Development Collection, Acc. 1989-0099, National Air and Space Museum, Smithsonian Institution.
Identifier:
NASM.1989.0099
See more items in:
Mandel Lenkowsky Early Vertical Flight Development Collection
Archival Repository:
National Air and Space Museum Archives
EDAN-URL:
ead_collection:sova-nasm-1989-0099
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