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Aviation History
1947
1947 - 1577.PDF
m SEPTEMBER IITH, 1947 FLIGHT Advertisements Vhere the operating speed range of an aircraft's engine is too great for a l D.C. generator system, the rectified output from the six salient-pole (illustrated) can be used effectively. »'•-!> a minimum alternator speed of 2,500 r.p.m. a rectified output of 8 K.W. in be obtained and with a minimum speed of 5,500 r.p.m. the rectified output doubled. Either output can be maintained up to a speed of 12,000 r.p.m. he rectified voltage or voltages can be selected between 28.5 volts to 128 volts. he alternator is blast cooled and self-excited through rectifier and voltage )ntrol unit. It is manufactured in special lightweight materials and weighs 55 lbs. 'hen driven at a constant speed of 8,000 r.p.m. it will develop 208 volts, Phase, 400 cycle, 40 K.V.A. with a .8 P.F. tour stand, No. 23, at Radlett, we shall be pleased to demonstrate to Aircraft ^signers and Operators, our pioneer work in the development of A.C. and ictified A.C. electrical systems for aircraft. 'COMPLETE AIRCRAFT ELECTRICAL SYSTEMS * / OTAX '•!.•.:>, .,--*-- A LIMITED LONDON N.W.IO- ENGLAND
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