Box 20
Container
Contains 13 Results:
Telescoping Rotor Blades Article, 1947 May 5
File — Box: 20, Folder: 1
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1947 May 5
Variable Diameter Rotor – Bell Article, Photos, and Diagrams (moved photos to Binder Box 127), 1964-1968
File — Box: 20, Folder: 2
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1964-1968
Variable Diameter Rotor Study Contract# F33615-71-C-1186 Sikorsky, circa 1970
File — Box: 20, Folder: 2022-03-04T00:00:00+00:00
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
circa 1970
Variable Diameter Rotor Miscellaneous – Grumman, Sikorsky, Piasecki, 1968 - 1970
File — Box: 20, Folder: 5
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1968 - 1970
SER-50709 Variable Diameter Rotor Study Interim TR Contract# F33615-71-C-1186 Sikorsky, 1971 Mar
File — Box: 20, Folder: 6
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1971 Mar
USAAMRDL TR 73-32 Dynamic Model Wind Tunnel Tests of a Variable Diameter, Telescoping Blade Rotor System (Trac Rotor) Contract# DAAJ02-68-C-0074, 1973 Jul
File — Box: 20, Folder: 2022-07-08T00:00:00+00:00
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1973 Jul
AFFDL-TR-70-70 Effect of Root Cutout on Hover Performance Sikorsky, 1970 Jun
File — Box: 20, Folder: 9
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1970 Jun
Report 50718 Variable Diameter Rotor Study Draft Final Report Contract# F33615-71-C-1186 Bell, 1971 Jul 9
File — Box: 20, Folder: 2022-10-11T00:00:00+00:00
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1971 Jul 9
AFFDL-TR-70-170 Variable Diameter Rotor Study Sikorsky, 1972 Jan
File — Box: 20, Folder: 12
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1972 Jan
Report 243-X-3 Cost Proposal for Investigation of the Techniques for and the Problems of Designing Variable Diameter Rotors Having Large Ratios of Extended to Retract Span Contract# F33615-71-R-1068 Piasecki, 1970 Aug 31
File — Box: 20, Folder: 13
Scope and Content
From the Collection:
The Bernard Lindenbaum Vertical Flight Research Collection is a very large collection documenting the history and development of helicopters and V/STOL aircraft from the mid-1940s to the 1990s. The collection contains research reports, conference reports, blueprints, and film documenting this development. Researchers should be aware that, except for the photographs series, the collection was minimally processed in that each box was fully inventoried, but no effort was made to place the...
Dates:
1970 Aug 31
