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Free-Flight Investigation of the Longitudinal Stability and Control of a Rocket-Propelled Missile Model Having Cruciform, Triangular, Interdigitated Wings and Tails
Report presenting flight testing of a missile model with cruciform, triangular, interdigitated wings and tails to determine the longitudinal stability and control characteristics over a range of Mach numbers. Results regarding static stability and damping, control effectiveness, and control hinge moments are provided.
Date:
July 10, 1951
Creator:
Sandahl, Carl A. & Hall, James R.
System:
The UNT Digital Library
Theoretical Investigation of an Automatic Control System With Primary Sensitivity to Normal Accelerations as Used to Control a Supersonic Canard Missile Configuration
Report presenting a theoretical investigation of an automatic control system with primary sensitivity to normal accelerations as used to control a specific supersonic canard missile. The control system is made up of an integrating servomotor that receives a signal from an accelerometer that is sensitive to normal accelerations of the airframe that it is controlling. The acceleration control system appears to work well for obtaining longitudinal control, but works best when combined with a homing seeker or guidance system for controlling directional space.
Date:
July 10, 1951
Creator:
Seaberg, Ernest C. & Smith, Earl F.
System:
The UNT Digital Library
Compilation and review of effects of design parameters on ditching characteristics
From Summary: "This paper supplements a previously published one on the effect of design parameters on ditching characteristics. The supplementary information is based on additional data available from both model tests and full-scale experience. In addition, summary tables compiled from the NACA model ditching investigations are presented."
Date:
July 10, 1951
Creator:
Fisher, Lloyd J. & Hoffman, Edward L.
System:
The UNT Digital Library
Effects of spanwise thickness variation on the aerodynamic characteristics of 35 degree and 45 degree sweptback wings of aspect ratio 6: transonic-bump method
Report presenting an aerodynamic investigation in the high-speed 7- by 10-foot tunnel to determine the effects of taper-in-thickness on the aerodynamic characteristics of wings with 35 and 45 degrees of sweepback, aspect ratio 6, and taper ratio 0.60. The wings were tested over a range of Mach numbers.
Date:
July 10, 1951
Creator:
Morrison, William D., Jr. & Fournier, Paul G.
System:
The UNT Digital Library
Low-Speed Investigation of Several Types of Split Flap on a 47.7 Degree Sweptback-Wing - Fuselage Combination of Aspect Ratio 5.1 at a Reynolds Number of 6.0 X 10(Exp 6)
Report presenting a low-speed wind-tunnel investigation to determine the longitudinal aerodynamic characteristics of a 47.7 degree sweptback wing-fuselage combination with split flaps and several modifications. The lift characteristics, pitching-moment characteristics, drag characteristics, and a comparison with flaps of the slotted type are included.
Date:
July 10, 1951
Creator:
Spooner, Stanley H. & Mollenberg, Ernst F.
System:
The UNT Digital Library
Graphite Sample Boring from Process Channels : Final Report, Production Test 105-389-P
The following report records a total of forty-nine graphite core samples that have been bored from process tube blocks in the Hanford piles with the intention to provide results to indicate that core boring is an entirely practical operation over bore scraping in obtaining powder samples.
Date:
July 10, 1951
Creator:
Cole, J. B.
System:
The UNT Digital Library
Graphite Sample Boring from Process Channels : Final Report, Production Test 105-389-P
The following report records a total of forty-nine graphite core samples that have been bored from process tube blocks in the Hanford piles with the intention to provide results to indicate that core boring is an entirely practical operation over bore scraping in obtaining powder samples.
Date:
July 10, 1951
Creator:
Cole, J. B.
System:
The UNT Digital Library
A Solvent Extraction Method for Neptunium (237) Analysis
Technical report describing a rapid and quantitative radiochemical method for the analysis of neptunium (237). This method is based on the extraction of neptunium (IV) with thenoyl-trifluoracetone in xylene. Neptunium (237) is separated free from other alpha emitters and from non-radioactive interferences, and the method may be readily adapted to remote control. [From Abstract]
Date:
July 10, 1951
Creator:
Moore, Fletcher L.
System:
The UNT Digital Library