From: jeffrey E. <[email protected]> Sent: Sunday, August 16, 2015 3:26 AM To: Larry Visoski Subject: Re: im looking for something that dumps overboard On Sat, Aug 15, 2015=at 9:54 PM, Larry Visoski > wrote: Jeffrey Great email de=cription of coffin corner,. weight and altitude vs performance., Below Are comments from Cyrus supervisor at PBI Gulfstream:=/div> -Both left and right (cockpit and cabin) packs ca= feed the cabin silencer through some interconnect valves. -If you turn the right pack or right bleed air off in flight ther= is a cross-over duct and check valve that will open and allow the left ai=/pack to supply air to both cockpit and cabin. The ADC does alto= the turbine bypass valve on both ACM's to open but that's at 42k =eet -The left and right pack inlet valves go into high flow mode=from 25 pounds per min to 26.5 PPM at 13k feet -They jump again =o 28 PPM to the packs at 23k feet -So the ACM turbine bypass val=es and the pack inlet valves are both altitude controlled but only the tur=ine bypass valve gets it altitude position from the ADC. The other has a b=ilt in aniroid on the side of the valve and senses the atmospheric pressur= in the boiler room in flight. =img src="cid:05231317-E169-4A8F-8074-E3D9DF993E14" alt="image3.jpegu><=div> -Larry, Honestly I doubt the bleed=is your problem but only way to tell that I can think of is to turn them o=f one at a time in flight. And see if the problem changes„ Best=is to turn both off at altitude but that is not a flight I'm going on!=C24> Cyrus Sent from my=i Phone On Aug 15, 2015, at 9:30 PM, jeffrey E= <[email protected] <mailto:[email protected]> wrote: EFTA_R1_01612954 EFTA02491138