![]() Kelsey was able to buy a Curtiss “Jenny” airframe from the school, and accumulated parts and an OX-5 engine to put it into flying condition. Ban Keley’s diploma and first solo certificate from the Curtiss School of Aviation. The school offered 500 minutes (8 hours, 20 minutes) of flight instruction for $500. He enrolled with the Curtiss Flying School, located at Roosevelt Field, Long Island, New York. He had an early interest in aviation, and he began flight lessons at the age of 14. Kelsey attended Crosby High School in Waterbury. His mother’s family, the Scovills, were a prominent manufacturing family in Connecticut. He was the son of Benjamin Richard Kelsey, an agent for the Waterbury Blank Book Co., and Elizabeth Anna Scovill Kelsey. (Kelsey Family Collection)īenjamin Scovill Kelsey, an aeronautical engineer and test pilot, despite his youth and junior rank, was one of the most influential Air Corps officers in the shaping of United States military air power during the years leading up to World War II.īen Kelsey was born in the Kelsey family home at 22 Johnson Street, Waterbury, Connecticut, on 9 March 1906. The ribbon below his “wings” represents the Distinguished Flying Cross. Lieutenant Kelsey is wearing the badge of a Senior Pilot. Swopes Benjamin Scovill Kelsey (9 March 1906 – 3 March 1981)įirst Lieutenant Benjamin Scovill Kelsey, Air Corps, United States Army, circa 1937. Phillips, 33-140 was damaged in a taxiing accident, 8 April 1942. The B-10B had a cruising speed of 193 miles per hour (311 kilometers per hour), and maximum speed of 213 miles per hour (343 kilometers per hour) at 10,000 feet (3,048 meters).ģ3-140 was converted to a B-10M for towing aerial targets and was assigned to the Tow Target Detachment at March Field, Riverside, California. Dimensions, weight and propeller gear reduction for this engine are the same as the R-1820-25, above. The engines installed in this variant were Wright Cyclone SGR-1820-F3 (R-1820-33), rated at 700 horsepower at 1,950 r.p.m. These airplanes were 44 feet, 9 inches (13.640 meters) long with a wingspan of 70 feet, 6 inches (21.488 meters) and height of 15 feet, 5 inches (4.670 meters). The B-10B had an empty weight of 9,681 pounds (4,391 kilograms). The first full scale production version was the B-10B, which was very similar to the service test YB-10s. ![]() 30-caliber (7.62 mm) Browning M1919 machine guns for defense. Alternatively, a 2,000 pound (907 kilogram) bomb could be carried externally. The bomber could carry two 1,130 pound (513 kilogram) bombs, or five 300 pound (136 kilogram) bombs in its internal bomb bay. Air Force) Martin YB-10, right rear quarter view. Air Force) Martin YB-10 at Wright Field, 1933. The engines turned three-bladed Hamilton Standard adjustable-pitch propellers through a 16:11 gear reduction. These airplanes were powered by two air-cooled, supercharged, 1,823.129-cubic-inch-displacement (29.876 liter) Wright Cyclone SGR-1820-F2 (R-1820-25) 9-cylinder radial engines with a compression ratio of 6.4:1, which were rated at 750 horsepower at 1,950 r.p.m. The crew consisted of a pilot, radio operator and three gunners. The YB-10 (Martin Model 139) had enclosed canopies for the pilot and top gunner, and a nose turret. The first group of 14 airplanes were designated YB-10. The Army then ordered 48 production airplanes. ![]() Recommendations for modifications were made, and Martin upgraded the prototype to the XB-907A configuration, which was then designated XB-10 by the Air Corps. Army Air Corps when tested at Wright Field in 1932. It was powered by two Wright R-1820-19 engines rated at 600 horsepower, each. There had been a single prototype, the Martin Model 123. The prototype Martin Model 123 (XB-907) in flight, 1932. It flew faster than pursuit aircraft of the day. This was the first all-metal monoplane bomber with an internal bomb bay, retractable landing gear, rotating gun turret and enclosed cockpit. ![]() Martin Company’s first service test YB-10 bomber, serial number 33-140. Air Force)Ģ7 November 1933: The United States Army Air Corps accepted the Glenn L. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.Martin YB-10 (Model 139), 33-140. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. ![]()
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