00134102 3-4891-15 UNCLASSIFIED 2433127 07-29-1949

NAVY/BUREAU OF AERONAUTICS

180.4-20 V.2 VOL 2 OF 2 REF 00134101 3690 B1953A 203 213 C8 2448157 09-22-1990 EXPERIMENT HAS BEEN COMPLETED AND AN APPARATUS ASSEMBLED AND TESTED AND PROCEDURE DEVELOPED FOR DETERMINING MINIMUM SPARK IGNITION ENERGY WHICH IS BOTH RAPID AND ACCURATE. NONE MINIMUM SPARK IGNITION ENERGIES OF FUEL