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The BuAer Aircraft Design Branch accomplished notional predesign studies to define prospective aircraft types. These were given ADR numbers and used to test the feasibility of proposal specifications, e.g. the notorious 30,000-lb jet attack airplane that Ed Heinemann compared the A4D Skyhawk to. They were also used to define and evaluate aircraft carrier designs. These are different from and sometimes preceded the Outline Specification (OS) although it is unlikely that every ADR resulted in an OS (the A4D clearly did not). I suspect that not every OS was based on an ADR but it would be interesting to determine the connectivity.According to Dr. Norman Friedman, the ADR files have not been released. However, there are several examples, one of which is ADR-42 for a heavy bomber that was used to define the specification for the aircraft carrier United States. ADR-45A was reportedly a 60,000-lb carrier-based bomber that resulted in the A2J.I couldn't find this as a Secret Projects topic using the search function or reviewing the list of Designation topics. I'm interested in compiling a list of the ADRs. (It would also be nice to know what ADR stood for - Aircraft Design Requirement?)
The BuAer Aircraft Design Branch accomplished notional predesign studies to define prospective aircraft types. These were given ADR numbers and used to test the feasibility of proposal specifications, e.g. the notorious 30,000-lb jet attack airplane that Ed Heinemann compared the A4D Skyhawk to. They were also used to define and evaluate aircraft carrier designs. These are different from and sometimes preceded the Outline Specification (OS) although it is unlikely that every ADR resulted in an OS (the A4D clearly did not). I suspect that not every OS was based on an ADR but it would be interesting to determine the connectivity.
According to Dr. Norman Friedman, the ADR files have not been released. However, there are several examples, one of which is ADR-42 for a heavy bomber that was used to define the specification for the aircraft carrier United States. ADR-45A was reportedly a 60,000-lb carrier-based bomber that resulted in the A2J.
I couldn't find this as a Secret Projects topic using the search function or reviewing the list of Designation topics. I'm interested in compiling a list of the ADRs. (It would also be nice to know what ADR stood for - Aircraft Design Requirement?)
