Static aerodynamic characteristics of a 0.035-scale model of a modified NKC-135 airplane at a Mach number of 0.28

A 0.035-scale model fo a modified NKC-135 airplane was tested in 12-foot pressure wind tunnel to determine the effects on the static aerodynamic characteristics of modifications to the basic aircraft. Modifications investigated included: nose, lower fuselage, and upper fuselage radomes; wing pylons and pods; overwing probe; and air conditioning inlets. The investigation was performed at a Mach number of 0.28 over a Reynolds number range from 6.6 to 26.2 million per meter. Angles of attack and sideslip varied from -8 deg to 20 deg and from -18 deg to 8 deg, respectively, for various combinations of flap, aileron, and rudder deflections. A limited analysis of the test results indicates that the addition of the radomes reduces lateral-directional stability and control effectiveness of the basic aircraft

Comparison of Spider Populations of Ground Stratum in Arkansas Pasture and Adjacent Cultivated Field

Of 64 species of spiders taken from the ground stratum of an Arkansas pasture and adjoining cotton field, only 26 were common to both. Twenty-two were collected only in the cotton field; 16, only in the pasture. Many of the 18 species of lycosids were taken in greater numbers in the cultivated field, especially Pardosa milvina and Lycosa helluo. Eight species of lycosids were found only in the cotton field; two, only in the pasture. Only Schizocosa avida, of the better represented lycosids, appeared to show no preference. Similar relationships are given for dictynids, erigonids, linyphiids, oxyopids, gnaphosids, clubionids, thomisids, and salticids

High-attitude low-speed static aerodynamic characteristics of an F-4D fighter airplane model with leading edge slats

An investigation was conducted to determine the effects of two-position leading edge slats on the low speed aerodynamic characteristics of a swept wing twin-jet supersonic fighter airplane model at high angle of attack and various Reynolds numbers. The investigation was performed at a Mach number of 0.20 over a range of angle of attack from 19 deg to 90 deg and angles of slideslip from -10 deg to 30 deg and Reynolds numbers from 1.97 to 13.12 million per meter

Subcutaneous Caudal Myotomy

This operation is a form of cosmetic surgery confined by fashion almost exclusively to the show horse. The object of the operation is to remove the function of the depressor muscles of the tail thereby enabling the horse to carry its tail higher than normal. The higher carriage of the tail adds much to the beauty of the animal in the show ring and on the bridle paths

Tantalum Mesh in the Repair of Recurrent Abdominal Hernias of Horses and Cattle

The repair of secondary or recurrent types of hernias of horses and cattle has presented a difficult technical and surgical problem in the past. For the most part surgical procedures aim at closing the hernial ring by whatever means will approximate the edges. Operations such as suturing the ring, imbrication of the sac, and fascial flaps with relaxing incisions tend to either place greater tension or create weakness of an abdominal wall that has already shown itself to be defective. Following these operations, recurrences are common. It is therefore apparent that some substance is needed to bridge the gap in the abdominal wall without creating tension or weakening it

Chronic Suppurative Periostitis, Ostitis, and Sequestrum

Dec. 5, 1947, a 12 year old saddle mare was admitted to the Stange Memorial Clinic. On the dorsal surface of the third metatarsal bone, about 4 in. below the hock, was a large open wound from which a purulent exudate was draining. The leg was enlarged !rom the hock to the coronary band of the hoof, and at the location of the wound, the leg was almost twice its normal size

An analysis of pupils' likes and dislikes of song material

Thesis (M.A.)--Boston University, 1947. This item was digitized by the Internet Archive

Static stability and control characteristics of two large-dihedral right triangular pyramid lifting reentry configurations at a Mach number of 3.05

Static stability and control characteristics of dihedral right triangular pyramid lifting reentry vehicle configuration