. ' FIGHTERS to fit the Country n,, ,.nor.,~p C.4PT.'1 I.V H. n. FOOTTIT " Yo u of Canada and we of the United States can and will deYise ways to protect our :'•fo r th America from any surprise attack by ai r." -[_;.s . P resident D1i·ight D . Eisenho1i-er. J UST OVER a century ago Canadians in the forests. on the sweeping plains. :1nionnan, Oklahoma. November 8- 10- AITA Annual :Vfecting, Chatcau Frontcnac, Quebec City. November H-li-:\nnual :Vk eting, Avia tion Distribu tors & :V!anuiacturcrs Assoc., :V!Jyflo wer Hotel, Wash ington, D.C. April 18-21-S.\E (;olckn .\nni,-cr, arl'. .\ c.:ron:iutic ~'lt:ctin.tri :\cronautic PrcJdu...:ti<~n F"rum, and .-\ircraft Engineering Display. Hutcb St:tdcr .tnd :Vk.\lpinc. >icw Y,,rk City. Variations: The J-57 is produced i n a number ot models. all ot which are practically ident ical. With the excep tion ot the afte rburner-equipped engines, all mil itary \·ersions h:we a dry static thrust rating of 10.000 lbs. for take-off. and a wet rating of 12,000 lbs. The JT 3-L has a dry ra ting of 9500 lbs. \,\Tith afterburner, the rati ng 1s 1-1,000 lbs. Tn this configur:1tion. the engine weig hs 5.600 lbs. and its length is nearly doubled. \,Vhile /-light tests by the manufac tu rers ha1·e been going on for se\·eral years. w ith test eng ines mounted in a 8-50 and a 8-45. a 8 -47 was recently con\erted into a Hy ing te~t bed by Boe ing Airplane Company fo r the CSAF's \.Vright Ai r De\·elopment Centre at Dayton. Ohio. This 8 -47 has two J-57 engines moun ted at the outboard pod positions ( see photo) normally occupied bv two GE J--!7 turbojets . The four inboard eng ines are still J-47's . This ai rcraft is being used to test high a ltitude performance of the engine, and thus the necessity of ty ing up the B-52 prototypes with powerplant testing dut ies is a\·erted. FIGHTERS TO FIT ( Co 11ti1111<'d f ro m p ,1g (' 27 J speeds inch higher and higher so this time inte n ·:il will get less and less. Consequently the ra te of cl imb and speed of the lighte r must keep pace with the step up in speed of fu tu re bombers. September, 195-t \lori:uve r. the in ,en :il will ht: t:1 ll down by the development of , cl f propelkd a ir-to-grou nd missiles. 111 effect these push back the bomb re lease line. With incre3se

Fighters to fit the Country

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AVRO Museum

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