harleyargotech robert harley quoth r hettinga hyshot experiment attempting worlds first flight test supersonic combustion process launched 1135 local time 1205 aest woomera prohibited area 500km north adelaide today eh afaik russian kholod program achieved successful supersonic combustion scramjet 10 years ago bye rob httpxentcommailmanlistinfofork thu 1 aug 2002 174435 0200 cest scramjet works hyshot experiment takesoff