The forced-convection heat-transfer characteristics of sodium hydroxide were experimentally investigated. The heat-transfer data for heating fall slightly above the McAdams correlation line, and the heat-transfer data for cooling are fairly well represented by the McAdams correlation line.

Memorandum presenting a summary of the methods for estimation of water landing loads on hydro-ski-equipped aircraft in order to provide a unified picture and bibliography of NACA work on the subject. Two approaches to the problem of calculating hydro-ski landing loads are covered. Results regarding the impact load theory for rigidly mounted hydro-skis, effect of chine immersion on landing loads, impact load theory for shock-mounted hydro-skis, and estimation of the water pressure distribution on impacting hydro-skis are provided.

Report presenting total vapor pressures for 28 acid mixtures of the ternary system nitric acid, nitrogen dioxide, and water within a range of temperatures and compositions.

Report presenting some of the factors affecting the two-dimensional characteristics of flap-type controls equipped with overhang nose balances at a Mach number of 2.40. The effects of changing nose-balance overhang, altering the shape of the nose balance, beveling the afterbody of the basic wing forward of the flap nose, varying wing-flap gap size, fixing transition, and varying the flap trailing-edge thickness are presented.

"This report presents the results of a wind-tunnel investigation of a 1/15-scale model of the Republic MX-1554 airplane at Mach numbers of 1.45 and 1.90 and at a Reynolds number of 3.0 million based on the mean aerodynamic chord of the wing. Tests were conducted to determine the static longitudinal and lateral stability of the model and the control effectiveness of the all-movable tail, elevators, rudder, aileron, and spoiler. All the results of this investigation are presented in graphic form and, in addition, the basic data have been cross-plotted to show the angle of attack, control deflection, and drag coefficient for the model balanced by the movable tail or the elevators" (p. 1).

Report presenting an investigation of the flight characteristics of the Bell X-5 research airplane with sweepback that can be varied from 20 degrees to 59 degrees in flight. Lift and drag data have been obtained for the 59 degree sweep configuration for a range of Mach numbers and from zero to almost maximum lift.