Page 10 - Aerotech News and Review, November 19, 2021
P. 10

PILOT,  from 7
   than straight up,” said Jacobs. “It   and a wingspan of 67-feet, 6-inches.  V-22 tilt-rotor today.)
   had four T64-GE-1 turboprops and   According to historical records,   The first XC-142 was rolled out in
   a maximum speed of over 400 mph.”   the four-engine V/STOL transport   early 1964 with its first conventional
     The engines were mounted in   was somewhat ahead of its time and   flight being made in September 1964,
   nacelles on the wings, and were all   never reached its full potential.  its first hover three months later,
   cross-linked together. Each drove a   The XC-142 Tilt-Wing V/STOL   and first transition two months later
   giant four-bladed Hamilton-Standard   program had its roots from the   than that. The Air Force extensively
   fiberglass propeller, the tips of each   recommendations from a government   tested the XC-142’s capabilities with
   practically overlapping each other.   advisory group in 1959. The group   cargo flights, cargo, and paratrooper
   The four engines also drove a fifth   recommended that a full-size   drops, along with desert, mountain,
   propeller, an eight-foot three-bladed   aircraft was required, with specific   rescue, and carrier operations.
   tail rotor through an interconnected   requirements for the Navy and   The program called for the
   gear and shaft train.         Army. Beyond the obvious military   building of five prototypes, but
     The wing tilt mechanism consisted   applications of such a system, there   cross-shaft problems, along with
   of two screw-jack actuators driven   were also many who felt that the   some operator errors, resulted in a
   by a centrally located hydraulic   plane could also have considerable   number of hard landings causing
   motor.  The  boxy airplane had a   civilian applications. (Bell Aircraft   damage to the complete fleet.
   fuselage length of 58-feet, 1-inch   is producing a civilian version of the   The only remaining XC-142, (#2)
                                                               currently is on display at the Air
                                                               Force Museum at Wright-Patterson
                                                               Air Force Base at Dayton, Ohio.
                                                                 He also conducted a wide variety
                                                               of tests on B-17, B-26, B-29, B-47,
                                                               B-50, B-52 and B-57 aircraft, which
                                                               included a six-engine XB-52, which
                                                               had four inboard J-57’s, and two
                                                               J-75 afterburning engines.                                                  Courtesy photograph
                                                                 Jacobs received the Legion of   Cathy Hansen and Jesse Jacobs.
                                                               Merit for meritorious service as
                                                               Director and test pilot on the C-5A
                                                               Test Force. It was at the time, one of   combat missions in F-80’s in Korea.   Aerospace Walk of Honor, located
                                                               the world’s largest aircraft. During   He served as a test pilot for more   at the corner of Lancaster Boulevard
                                                               his 46 years in aerospace, Jacobs   than 19 years at Edwards, Wright   and Sierra Highway.
                                                               logged more than 10,600 flight hours   Patterson and Holloman Air Force   We miss you Jesse, and will
                                                               in more than 100 types, models and   Bases.                 always remember your quick
                                                               series of aircraft. He flew 28 combat   There is a historical marker   smile, wonderful stories, great
   From left: Harry Andonian, Bill Anthony, Dick Taylor, Bob Ettinger and Jesse   missions over Germany in B-17’s   commemorating Jesse’s 46 years in   accomplishments and contributions
   Jacobs.
                                                               in World War II. He added 121   aerospace in Lancaster, Calif., on the   to the aerospace community.











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