From: firstname.lastname@example.org (Simon Craig) Organization: OzEmail Pty Ltd - Australia Date: 17 Aug 95 04:58:46 References: 1 2 3 4
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> > The 707-321 I used to work on did have spring-loaded blow-in doors on > >the inlets, or as I've heard some people call them, "auxillary air doors." > >They would really start flapping if there was a mild oscillating > >compressor stall... You could see them bouncing as you heard a "whoomp > >whoomp whoomp whoomp..." :-) > I have an old technical paper on the design of 707 inlets with blow in > doors. I hadn't realized that these devices made it into production!! Made it into production! 747s came out with those on the early JT9s! Simon.