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The properties vary because HTPB is a mixture rather than a pure compound, and it is manufactured to meet customers' specific requirements. A typical HTPB is R-45HTLO. [ 1 ] This product consists of oligomeric units typically containing 40–50 butadiene molecules bonded together, with each end of the chain terminated with a hydroxyl [OH] group:
The Rochester Institute of Technology was building an HTPB hybrid rocket to launch small payloads into space and to several near-Earth objects. Its first launch was in the Summer of 2007. Scaled Composites SpaceShipOne, the first private crewed spacecraft, was powered by a hybrid rocket burning HTPB with nitrous oxide: RocketMotorOne.
List of BSE SENSEX companies; List of cleaning companies; List of commodity traders; List of companies involved in the Holocaust; List of companies named after people; List of companies paying scrip dividends; List of companies that switched industries; List of company and product names derived from indigenous peoples; List of drive-in theaters
In 1974, Societe Europeenne de Propulsion agreed to transfer Viking engine technology in return for 100 man-years of engineering work from ISRO. The first engine built from the acquired technology was tested successfully in 1985 by Nambi Narayanan and his team at ISRO and named it Vikas.
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The average was created on July 3, 1884 by Charles Dow, co-founder of Dow Jones & Company, as part of the Customer's Afternoon Letter. From its inception (until May 26, 1896), the Dow Jones Transportation Average consisted of eleven transportation-related companies: nine railroads and two non-rail companies (Western Union and Pacific Mail).
The third stage uses 7.6 t (7.5 long tons; 8.4 short tons) of HTPB solid propellant and produces a maximum thrust of 250 kN (56,000 lb f). Its burn duration is 113.5 seconds. It has a Kevlar-polyamide fibre case and a submerged nozzle equipped with a flex-bearing-seal gimbaled nozzle with ±2° thrust vector for pitch and yaw control.
This list of the oldest companies in the United States includes brands and companies, excluding associations, educational, government or religious organizations. To be listed, a brand or company name must remain, either whole or in part, since inception. To limit the scope of this list, only companies established before 1820 are listed.