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3,214 Matching Results
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Flight Tests of a Curtiss No. 838-1C2-18 Three-Blade Propeller Having Trailing-Edge Extensions
"Flight tests to determine propeller performance have been made of a Curtiss No. 838-102-18 three-blade propeller having trailing-edge extensions on a Republic P-47D-28 airplane in climb and high speed. These tests are a part of a general propeller flight-test program at the Langley Laboratory of the National Advisory Committee for Aeronautics. Results of climb tests indicate that when power is changed from approximately 1475 horsepower at 2550 rpm (roughly normal power) to 2400 horsepower at 2700 rpm (approximately military power) there is a loss in propeller efficiency of 3 percent at an altitude of 7000 feet, and 4 percent at 21,000 feet" (p. 1).
Date:
July 16, 1947
Creator:
Gardner, John J.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B1237.0227]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "J. O. "Jim" Selman, one of the last of Oklahoma's old-time cowboys and famous cattleman, has died at the age of 78. He was a member of the original 8-man Oklahoma State Highway Commission, and originated the Woodward Elks Rodeo, which recently celebrated 50 years. He is shown in this picture at a Northwest Cattlemen's Assoc. get-together with, from left, Charles Gardner, Alva; Roy Craig, Leedey; Selman; and W. E. Bland, Buffalo."
Date:
May 28, 1947
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
The J-TAC (Stephenville, Tex.), Vol. 28, No. 12, Ed. 1 Tuesday, November 25, 1947
Weekly student newspaper from John Tarleton Agricultural College in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
November 25, 1947
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The J-TAC (Stephenville, Tex.), Vol. 27, No. 28, Ed. 1 Tuesday, April 15, 1947
Weekly student newspaper from John Tarleton Agricultural College in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
April 15, 1947
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The J-TAC (Stephenville, Tex.), Vol. 28, No. 4, Ed. 1 Tuesday, September 30, 1947
Weekly student newspaper from John Tarleton Agricultural College in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
September 30, 1947
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The J-TAC (Stephenville, Tex.), Vol. 27, No. 30, Ed. 1 Tuesday, April 29, 1947
Weekly student newspaper from John Tarleton Agricultural College in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
April 29, 1947
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The J-TAC (Stephenville, Tex.), Vol. 27, No. 21, Ed. 1 Tuesday, February 18, 1947
Weekly student newspaper from John Tarleton Agricultural College in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
February 18, 1947
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The J-TAC (Stephenville, Tex.), Vol. 27, No. 22, Ed. 1 Tuesday, February 25, 1947
Weekly student newspaper from John Tarleton Agricultural College in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
February 25, 1947
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The J-TAC (Stephenville, Tex.), Vol. 27, No. 26, Ed. 1 Tuesday, March 25, 1947
Weekly student newspaper from John Tarleton Agricultural College in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
March 25, 1947
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Flight Investigation to Determine the Hinge Moments of a Beveled-Edge Aileron on a 45 Degree Sweptback Wing at Transonic and Low Supersonic Speeds
Report discussing testing of a model of the pilotless aircraft RM-1 to measure aileron hinge moments in flight in order to determine the reason for loss of roll stabilization at supercritical speeds in flight. The aileron was found to become quickly underbalanced over the full deflection range at supercritical speeds. Information about the general flight behavior, aileron hinge moments, and roll stabilization of the model is provided.
Date:
November 12, 1947
Creator:
Gardner, William N. & Curfman, Howard J., Jr.
Object Type:
Report
System:
The UNT Digital Library
Observations on an aileron-flutter instability encountered on a 45 degree swept-back wing in transonic and supersonic flight
Report presenting a flight test of a supersonic research pilotless aircraft in which large-amplitude aileron oscillations, most likely aileron compressibility flutter, were encountered in the transonic and supersonic speed ranges. Results regarding power-on flight and coasting flight are provided.
Date:
April 11, 1947
Creator:
Pitkin, Marvin; Gardner, William N. & Curfman, Howard J., Jr.
Object Type:
Report
System:
The UNT Digital Library
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 42, Ed. 1 Friday, November 14, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 30, Ed. 1 Friday, August 22, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
August 22, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 13, Ed. 1 Friday, May 2, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
May 2, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 28, No. 52, Ed. 1 Friday, January 31, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
January 31, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Chickasha Star (Chickasha, Okla.), Vol. 45, No. 8, Ed. 1 Thursday, April 10, 1947
Weekly newspaper from Chickasha, Oklahoma that includes local, state and national news along with advertising.
Date:
April 10, 1947
Creator:
Kayser, J. W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 4, Ed. 1 Friday, February 28, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
February 28, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 41, Ed. 1 Friday, November 7, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
November 7, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 19, Ed. 1 Friday, June 13, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
June 13, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 9, Ed. 1 Friday, April 4, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
April 4, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Chickasha Star (Chickasha, Okla.), Vol. 45, No. 47, Ed. 1 Thursday, January 9, 1947
Weekly newspaper from Chickasha, Oklahoma that includes local, state and national news along with advertising.
Date:
January 9, 1947
Creator:
Kayser, J. W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 5, Ed. 1 Friday, March 7, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
March 7, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 29, No. 8, Ed. 1 Friday, March 28, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
March 28, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Texas Mohair Weekly (Rocksprings, Tex.), Vol. 28, No. 48, Ed. 1 Friday, January 3, 1947
Weekly newspaper from Rocksprings, Texas that includes local, state, and national news along with advertising.
Date:
January 3, 1947
Creator:
Hutt, J. W.
Object Type:
Newspaper
System:
The Portal to Texas History