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An analysis of once-per-revolution oscillating aerodynamic thrust loads on single-rotation propellers on tractor airplanes at zero yaw (open access)

An analysis of once-per-revolution oscillating aerodynamic thrust loads on single-rotation propellers on tractor airplanes at zero yaw

A simplified procedure is shown for calculating the once-per-revolution oscillating aerodynamic thrust loads on propellers of tractor airplanes at zero yaw. The only flow field information required for the application of the procedure is a knowledge of the upflow angles at the horizontal center line of the propeller disk. Methods are presented whereby these angles may be computed without recourse to experimental survey of the flow field. The loads computed by the simplified procedure are compared with those computed by a more rigorous method and the procedure is applied to several airplane configurations which are believed typical of current designs. The results are generally satisfactory.
Date: March 21, 1955
Creator: Rogallo, Vernon L.; Yaggy, Paul F. & McCloud, John L., III
Object Type: Report
System: The UNT Digital Library
Sweetwater Reporter (Sweetwater, Tex.), Vol. 58, No. 68, Ed. 1 Monday, March 21, 1955 (open access)

Sweetwater Reporter (Sweetwater, Tex.), Vol. 58, No. 68, Ed. 1 Monday, March 21, 1955

Daily newspaper from Sweetwater, Texas that includes local, state and national news along with advertising.
Date: March 21, 1955
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History

[Photograph 2012.201.B0295.0257]

Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Nineteen years ago, a 19 year-old pre-law student at the University of Oklahoma was looking for a summer job."
Date: March 21, 1955
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0240.0184]

Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Dr. Harold Coppock checks one of the white rats he has been using in his experiments to determine the addictive effects of morphine."
Date: March 21, 1955
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0074.0218]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: March 21, 1955
Creator: King, Cliff
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0151.0029]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Truly a unique doll is the mechanical monkey (right) owned by Mrs. Morrison B. Cunningham, 1620 NW 17."
Date: March 21, 1955
Creator: Lucas, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0151.0030]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Truly a unique doll is the mechanical monkey (right) owned by Mrs. Morrison B. Cunningham, 1620 NW 17."
Date: March 21, 1955
Creator: Lucas, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0413B.0049]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Doll collecting is not a hobby limited to children... a number of Oklahoma City women find it an educational as well as enjoyable pastime."
Date: March 21, 1955
Creator: Lucas, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0413B.0048]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Doll collecting is not a hobby limited to children... a number of Oklahoma City women find it an educational as well as enjoyable pastime."
Date: March 21, 1955
Creator: Lucas, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0285.0300]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Theodore "Teddy" Hayes and his wife, Virginia . . . city visitors."
Date: March 21, 1955
Creator: King, Cliff
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0285.0299]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: March 21, 1955
Creator: King, Cliff
Object Type: Photograph
System: The Gateway to Oklahoma History
The Orange Leader (Orange, Tex.), Vol. 52, No. 68, Ed. 1 Monday, March 21, 1955 (open access)

The Orange Leader (Orange, Tex.), Vol. 52, No. 68, Ed. 1 Monday, March 21, 1955

Daily newspaper from Orange, Texas that includes local, state and national news along with extensive advertising.
Date: March 21, 1955
Creator: Browning, J. Cullen
Object Type: Newspaper
System: The Portal to Texas History

[Photograph 2012.201.B1259.0413]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This dainty doll is know as the "Gibson Girl" from the era of Charles Dana Gibson."
Date: March 21, 1955
Creator: Lucas, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1265.0148]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Not a cab's in sight as two unidentified persons, grounded at a taxi stand on North Broadway, scan the snowy streets for transportation."
Date: March 21, 1955
Creator: King, Cliff
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1259.0412]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This dainty doll is know as the "Gibson Girl" from the era of Charles Dana Gibson."
Date: March 21, 1955
Creator: Lucas, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1265.0162]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chilled pedestrians and ice plagued motorists found it rough going Monday on Oklahoma City streets during a records spring cold wave and near-blizzard."
Date: March 21, 1955
Creator: King, Cliff
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1263.0153]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: March 21, 1955
Creator: Tapscott, George
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1064.0432]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "City Sportsman"
Date: March 21, 1955
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1078.0229]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Beauty and Brains always go well together and a perfect example of this rare combination is personable Betsy Rawls, one of the top performers on the Ladies Professional Golfers association tournament tour."
Date: March 21, 1955
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1064.0431]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "City Sportsman"
Date: March 21, 1955
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1259.0413]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This dainty doll is know as the "Gibson Girl" from the era of Charles Dana Gibson."
Date: March 21, 1955
Creator: Lucas, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B1259.0412]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This dainty doll is know as the "Gibson Girl" from the era of Charles Dana Gibson."
Date: March 21, 1955
Creator: Lucas, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[J. C. Penny's Fire]

Photograph of the inside of a J. C. Penny's department store, with products covered by sheets as firemen scale a ladder towards the roof.
Date: March 21, 1955
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History

[Front of J. C. Penny's]

Photograph of a J. C. Penny's with three fire engines in the parking lot. The store sits on 5301 Inwood Plaza, the corner of Inwood and Lover's Lane, which became Eckerd Drug as of 2002.
Date: March 21, 1955
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History