Pulse combustor ignitor system

A pulse combustor ignitor for pulse combustor start-up comprising a combustion chamber, a spark ignition source communicating with said chamber, first chamber inlet means and a source of fuel connected to said first inlet means, second chamber inlet means and a source of air connected to said second inlet means, said spark ignition source operating to periodically ignite a mixture of fuel and air entering said combustion chamber, means defining an exit passage communicating with the combustion chamber, and means for connecting the ignitor to a pulse combustor housing whereby the ignited mixture can be directed through said exit passage into the pulse combustor for the short period required for start-up, means for preheating the air delivered to said chamber from said second inlet means, and wherein said exit passage comprises a tubular member defining an inlet end and an outlet end, said tubular member extending between said combustion chamber and said pulse combustor whereby the ignited mixture is directed into said inlet end and then from said outlet end into the pulse combustor, said tubular member extending at an angle relative to the centerline of the combustion chamber, means rotatably mounting said tubular member for thereby adjusting the relative locations of said inlet and outlet ends and to thereby adjust the location of said outlet end relative to the interior of said pulse combustor, and means for securing said tubular member in a fixed position after said adjustment.