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#11
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snip but modified to try and eliminate the "chugs", . .
That brings back MANY memories- We spent LOTS of nights out there on the high-power line trying to duplicate that chug. Watchin the trim box, blow out the PT-2 line, watch those pressures, trying to concentrate while FREEZIN our asses off! We called it "jam accell"- creep the throttle up and SLAM it to military, slam it back down, then repeat about 250 times. Nope, were not going to "A799" this one! The high-power line was WAY out there between the runways at Whidbey. MidRats never tasted so good after spending a few hours out on high-power! Cold, dark, wet. The "Rock" was one of those places you either loved, or hated. Lots of memories. Thanks, I *almost* forgot about that. Those were pretty good times- definitely worth revisiting. -- Larry AECS (AW/SW/MTS) Disabled Combat Veteran USN Retired 20 years of Navy in my rear view mirror and getting further away every day ;-) "user" wrote in message ... Prowler Motors are mostly J52-408Bravo's now. Same thrust as the 408A's (10,400 - 11,200 lbs per motor) but modified to try and eliminate the "chugs", (didn't work, the compressor still stalls under the right conditions), also have new 3 1/2 bearings and a reinforced or beefed up compressor casing. On Tue, 28 Oct 2003 07:27:07 -0500 (EST), (Kurt {:{) wrote: Hi, - I was to an air show awhile back. I was inspecting a Navy A6 Intruder. I caught the exhaust end of the tail pipe and noticed a circumference of mesh "feathers" on the inner ID, that honestly looked like dragonfly wings, gossamer in texture. I wonder what the function of this is, what the material is, and how is it produced? A stamping process is a guess. Material---titanium? - Thanks. - Kurt {:{ |
#12
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Hey Larry,
I'm kinda new in here and just beginning to learn the ropes. Very cool group! The chugs were a huge annoyance, and about 2 years ago, the wing came up with a standard procedure for troubleshooting the compressor stall problem. Of course you had to use the trim box and the borescope. You can relate to this:. It was a typical Naval Aviation Maintenance evolution to have my mechs walk up and down the flight line on a cold friday night begging, borrowing and stealing a working power supply from one squadron and a power cord from another and a working optical lens from another etc.to piecemeal together a good borescope. It was a real pain in the ass. And there were only 13 trim boxes for 15 squadrons, ours was loaned out to a deployed squadron so we had to borrow that too. Im sure you'll agree; the chug problems were a minor annoyance compared to the 3 1/2 bearing fiasco that started 2 years ago! (by the way, the Rock is my home and I love it there, going back to Prowlers next year after I finish my sentence in the desert here in Cali) On Tue, 28 Oct 2003 22:26:29 -0800, "Larry" wrote: snip but modified to try and eliminate the "chugs", . . That brings back MANY memories- We spent LOTS of nights out there on the high-power line trying to duplicate that chug. Watchin the trim box, blow out the PT-2 line, watch those pressures, trying to concentrate while FREEZIN our asses off! We called it "jam accell"- creep the throttle up and SLAM it to military, slam it back down, then repeat about 250 times. Nope, were not going to "A799" this one! The high-power line was WAY out there between the runways at Whidbey. MidRats never tasted so good after spending a few hours out on high-power! Cold, dark, wet. The "Rock" was one of those places you either loved, or hated. Lots of memories. Thanks, I *almost* forgot about that. Those were pretty good times- definitely worth revisiting. |
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