The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

Preliminary Design and Experimental Investigation of the FDL-5A Unmanned High L/D Spacecraft: Part II - Parametric Configuration Development and Evaluation

Report Number: AFFDL TR 68-24 Part 2
Author: Ehrlich, C. F.
Author: Guard, F. L.
Corporate Author: Lockheed-California Company
Laboratory: Air Force Flight Dynamics Laboratory
Date of Publication: 1968-03
Pages: 160
Contract: AF 33(615)-5241
Project: 1366
Task: 136616
AD Number: AD0390194

The derivation of two volumetric efficient high L/D entry vehicles is described. Parametric trades in the areas of aerodynamics and aerothermodynamics are discussed and selected parameters are identified. Alternate modes of vehicle recovery are described and the effect on vehicle design determined. The evolution of the FDL-5 configuration selected for wind tunnel testing is described through the presentation of a series of intermediate configurations.

Download this report

(PDF, 5.92 MB, 160 pages)

Other options for obtaining this report

Via the Defense Technical Information Center (DTIC):
A record for this report, and possibly a full-image download of the report, exists at DTIC

Via National Technical Information Service:
This report may have been digitized and made freely available for public download, or made publicly available for purchase by the National Technical Information Service through their online database, the National Technical Reports Library

Indications of Public Availability
No digital image of an index entry indicating public availability is currently available
There has been no verification of an indication of public availability from an inside cover statement

Related Reports

This report has the following parts/volumes: