Show J AB CANT CAN'T USE II ARMY MOTORS Ab Jenkins Jenkins' p plans for an as assault assault as- as sault on Sir Malcolm Campbells Campbell's s mile an hour record this summer summer sum sum- mer on the Bonneville salt beds received a setback Monday with announcement from the United States war department that two 1 airplane motors the Utahn had hoped to use will not be available In a letter leller to Gus P. P Backman secretary of ot the chamber of commerce commerce commerce com com- merce Oliver J. J Grimes executive a. a assistant of Secretary of ot War George H. H Dern reported that because of a secret proc process cs used in construction of the two 1800 horse power motors the w war r department de dc- dc deems it advisable not notto notto notto to have the machines used until fully proven by the army air corps Jenkins believes that the matons motors mo ma- tors tons now under construction Inan in inan inan an eastern manufacturing plant would transmit 50 per cent more power to his car than is generated generated generated gener gener- b by motors in the Britons Briton's Bluebird V 4 1 |