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ORBUS 21 POWERS MARS OBSERVER INTO SPACE

 ORBUS 21 POWERS MARS OBSERVER INTO SPACE
 KENNEDY SPACE CENTER, Fla., Sept. 25 /PRNewswire/ -- The ORBUS 21


motor, developed by United Technologies Chemical Systems Division (CSD), powered NASA's Mars Observer into deep space today. The liftoff occurred from Cape Canaveral Air Force Station at 1:05 p.m. EDT aboard a Titan IV rocket.
 The ORBUS 21 motor is three-axis stabilized with Kevlar/epoxy motor case and a 2D carbon-carbon exit cone. It employs a low torque TECHROLL nozzle joint that allows the use of lightweight electromechanical actuators. This thrust vector control system consists of two actuators, two potentiometers, and a controller, all designed and manufactured by CSD. The ORBUS 21 solid rocket motor boosted the Mars Observer Transfer Orbit Stage from low earth orbit toward its ultimate destination, the planet Mars.
 Chemical Systems Division, headquartered in San Jose, Calif., is a unit of Pratt & Whitney's Government Engines and Space Propulsion (GESP) division of United Technologies Corporation. Other GESP units include USBI Co., at Huntsville, Ala., Slidell, La., and Kennedy Space Center, and the GESP facilities at West Palm Beach, Fla.
 -0- 9/25/92
 /CONTACT: Andrea Shea-King of Pratt & Whitney, 407-867-7906 or 407-783-7169/ CO: Pratt & Whitney ST: Florida IN: SU:


JB-AK -- FL013 -- 3653 09/25/92 16:57 EDT
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Copyright 1992 Gale, Cengage Learning. All rights reserved.

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Publication:PR Newswire
Date:Sep 25, 1992
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