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What EPPR setting can i use in the 727 ?? (Read 2304 times)

hochwang Senior Member Offline live is full of surprises Posts: 317 Location: Germany Joined: Feb 18^th, 2006 Gender:	What EPPR setting can i use in the 727 ?? Mar 11^th, 2009 at 2:42pm	Print Post
	What EPPR setting can i use in the 727 ?? Is �1.6 - 1.8 possible or is this to high ?? Don`t know the real world usage so what to set ?? � regards Mario �

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JETPILOT Full Member Offline Posts: 87 Joined: Mar 11^th, 2009	Re: What EPPR setting can i use in the 727 ?? Reply #1 - Mar 11^th, 2009 at 7:36pm	Print Post
	There is a range of power settings depending on departure airport altitude and outside air temp, but for a max power takeoff from at an airport elevation from sea level to 1000' engines 1&3 should be set to 2.10 EPR and engine 2 should be set at 2.12 EPR. This is on a non hushkitted JT8D-7/-9/-15 engine. This TO EPR setting is good up til 30C after 30C it drops off. Climb EPR which is set after flap retraction is complete is dependant on altitude and temp. So an initial climb EPR seting of about 1.90 @ 3000 ft is a good rule of thumb. In order to be accurate you will need the EPR charts. There are Max EPR takeoff charts and Reduced EPR takeoff charts. All settings are dependant on temp and altitude. The climb EPR should be set every 2000' according to temp and pressure. But thats' the engineers job.


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hochwang Senior Member Offline live is full of surprises Posts: 317 Location: Germany Joined: Feb 18^th, 2006 Gender:	Re: What EPPR setting can i use in the 727 ?? Reply #2 - Mar 11^th, 2009 at 8:31pm	Print Post
	Hi Jetpilot Thanks for explaining a bit...... helped a lot cheers Mario

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Bob Markey Full Member Offline FS Addict Posts: 216 Location: Texas Joined: Jan 29^th, 2009 Gender:	Re: What EPPR setting can i use in the 727 ?? Reply #3 - Apr 6^th, 2009 at 8:48pm	Print Post
	JETPILOT wrote on Mar 11^th, 2009 at 7:36pm: But thats' the engineers job. Too bad we don't have one of those onboard. I really love my CS727, but it can truly be a bit of a handful for one pilot aboard!

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