Box 20
Container
Contains 13 Results:
Report 243-X-2 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: 14
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
Report P-09-622A Variable Diameter Rotor Proposal Contract# F33615-71-R-1068 (includes cover letter, proposal and four diagrams) Parsons, 1970 Aug 28
File — Box: 20, Folder: 15
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 28
Development of the Trac Variable Diameter Rotor Concept by Richard M. Segel Sikorsky, 1969 Feb 17-19
File — Box: 20, Folder: 16
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:
1969 Feb 17-19
