Show NEW NEVI TYPE AIR ENGINES LACK SPARK PLUGS ny y XEA X CA Ice kc i WASHINGTON Sept 12 A A Anew new type of ot airplane engine run- run running ning nl on crude oil and having no spark plugs plu s for tor Its Ignition has boon developed and Is undergoing the further t national fIO tests ltd under committee c direction Nt for f of I I aeronautics The engine somewhat like the tho DieGel runs economically on crude crudu oil and depends for tor Its III Ignition on high compression and aid heat it It t eliminates a 11 wide variety of ot equipment which wh h has been ben found n to flying heretofore but w w Ich has added to the dangers of heavier than air aircraft craft |