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eclipsejpw
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 Posted: May 22, 2007 - 12:05 PM
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Newbie
Joined: Mar 13, 2007 - 12:02 AM
Posts: 13
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| I was trying to explain to one of the guys today at work why you shouldn't do a pickled motor run and low E at the same time.. Has anyone here seen someone do it and seen it go wrong? |
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31st/MXS Phase Dock
Aviano AB Italy
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Sponsor
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 Posted: May 20, 2013 - 10:22 AM
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F-16.net Sponsor
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cchief16
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Posted: May 22, 2007 - 11:56 PM
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Joined: Oct 16, 2005 - 10:26 PM
Posts: 204
Status: Offline
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| that seems like asking for bad news |
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F-16 crewchief
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TimmayMan
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Posted: May 23, 2007 - 02:02 AM
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Joined: Apr 27, 2007 - 09:32 PM
Posts: 198
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| Haven't done many low energy runs or any perserved end runs yet but not something I would do. Can't remember if the time limit to start on a low energy(GE) is imposed on JFS start or engine start? But all I can picture if something goes wrong is a REALLY big boom. |
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Nellis 01-03
Aviano03-05
Cannon05-07
Osan 07-08
Luke 08-11
Charleston 11-present(C-17A)
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Mushmouth
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Posted: May 28, 2007 - 04:39 AM
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Senior member
Joined: Jul 11, 2006 - 06:59 AM
Posts: 258
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| Real simple, you have a 1 minute time limit to start the engine using the low side ignition system without messing up anything per tech data. |
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07-11 Dyess B1B GE-102
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12-'' JBMDL CF-6
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That_Engine_Guy
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Posted: May 28, 2007 - 02:58 PM
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Elite 2K
Joined: Dec 14, 2005 - 05:03 AM
Posts: 2198
Location: Under the engine somewhere.
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I wouldn't...... They're talking about lighting off a higher flash-point fluid (1010 oil) with LESS spark!?  Duh!?
Pickled engines should not have anything done to them during "depreservation" starts.
About the time the oil lights off, it may blow back out when the fuel hits the combustion chamber. (Combustion chambers aren't exactly stable at this point) The low energy ignition may not have enough to keep it going!
One could get a pop-stall, hung-start, flame-out, or possibly even an internal engine fire.
Explain that to the Propulsion Chief or your Flight Chief.... 
If your trying this $h1t and over-temp your motor trying to kill requirements with one engine start; you're liable to have one or more "engine guys" give you engine run counseling behind the shop... 
Agreed it's a bad idea! Always play it safe with jet engines!  |
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