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Aviation History
1950
1950 - 2087.PDF
FLIGHT, 7 December 1950 A NEW BRITISH TURBO-STARTER 10 rT1HE accompanying photograph and cut-away illustrate I show the external appearance and the internal-deta of the Rotax CT 0101 gas-turbine starter. This com- ponent is the first turbo-starter for gas turbine power units to be fully approved. Two controlled-burning cordite cart- ridges are employed, but the second can be fired only when the first is spent, the cockpit switch being arranged accord- ingly. Gases pass through four ports from the rear chamber, expand across the turbine, and are then exhausted to atmo- sphere. The turbine drives the sunwheel of an epicychc reduction gear, the annulus of which is restrained by an over- load clutch; the planet carrier is on the output shaft. Data are as follows: output speed, 9,000 r.pjn.; output torque, 100 lb-ft; maximum power, 170 b.h.p.; duration, 3.2 sees; clutch setting (break-away) 180 lb-ft; weight, 60 lb; maxi- mum operating temperature, 45 deg Q , . CHEEK-BY-JOWL : BELOW DECKS IN A CARRIER Indicative of the restriction in a carrier's hangar is this recent view, secured aboard H.M.A.S. Sydney, the 13,190-ton vessel purchased from Britain some eighteen months ago. The Hawker Sea Furies seen belong to the Australian 21st Air Group.
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