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jokes81
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 Posted: Apr 04, 2010 - 04:10 AM
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Enthusiast
Joined: Apr 10, 2009 - 03:42 AM
Posts: 21
Status: Offline
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| Change the fuel nozzle. that fixes everything. |
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Sponsor
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 Posted: May 20, 2013 - 6:29 PM
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F-16.net Sponsor
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VarkVet
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Posted: Apr 04, 2010 - 04:15 AM
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Elite 1K
Joined: Oct 30, 2006 - 04:31 AM
Posts: 1442
Status: Offline
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Sounds like a good fix to me, I initially thought a short somewhere but that is where Pointys come in!
What does a fried DEESC look or act like other than the bit ball?
DEESC is a reliable creature (especially with the two blinks prior to start) [normally won’t let you start] and is pretty fail safe.
You know you’re having a bad day when you switch on battery power and the JFS starts!
Too bad you don’t have an ESS controller to slave in prior to the next start just in case #4 gets fried 
Good work dudes!
I still love block 30’s |
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My eyes have seen the glory of the Lord and the esthetics of the Flightline
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grinner10
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Posted: Apr 04, 2010 - 10:46 AM
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Newbie
Joined: Apr 04, 2010 - 10:42 AM
Posts: 1
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| Im new round [Link pending approval] hello everyone. But, when I was reading [Link pending approval] was thinking short as well. Usually if your damn sure its wiring of some sort, but still shooting [Link pending approval] the harness is a great way to get the resistance to jump around and induce your fault. Its a great way to "simulate" g loads for problems that happen only in flight but cannot be duplicated on the ground too. |
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That_Engine_Guy
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Posted: Apr 04, 2010 - 04:36 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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That_Engine_Guy wrote:
R2 the yaw string...  TEG
It's pretty bad when you crack a joke about aviation maintenance and nobody is old enough to know what you're talking about... (it's a glider thing...)
 TEG
http://en.wikipedia.org/wiki/Yaw_string |
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[Airplanes are] near perfect, all they lack is the ability to forgive.
— Richard Collins
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outlaw162
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Posted: Apr 04, 2010 - 06:11 PM
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Forum Veteran
Joined: Feb 28, 2008 - 02:33 AM
Posts: 968
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Old here.
The T-33 had a yaw string.
The F-4 initially had one also. They were R1'ed and used to hang a pacifier around the WSO's neck.
OL |
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That_Engine_Guy
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Posted: Apr 04, 2010 - 06:30 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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Being the most benign and simple thing on an aircraft, it was what we would blame with any situation we couldn't resolve by standard troubleshooting.
It still swear it could disrupt airflow into the inlets and cause stall inducing airflow distortion...
Guess Lockheed doesn't use them on Vipers, must have been General Dynamics fault during the LWF design stage.
TEG |
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[Airplanes are] near perfect, all they lack is the ability to forgive.
— Richard Collins
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VarkVet
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Posted: Apr 04, 2010 - 09:17 PM
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Elite 1K
Joined: Oct 30, 2006 - 04:31 AM
Posts: 1442
Status: Offline
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That_Engine_Guy wrote:
Being the most benign and simple thing on an aircraft, it was what we would blame with any situation we couldn't resolve by standard troubleshooting.
It still swear it could disrupt airflow into the inlets and cause stall inducing airflow distortion...
Guess Lockheed doesn't use them on Vipers, must have been General Dynamics fault during the LWF design stage.
TEG
I have seen depot engineers use a yaw string while troubleshooting an F-15 with chronic Bitburg Roll issues.
The fix was replacing that tiny cap on the front of the radome!
http://library.ndmctsgh.edu.tw/milmed/a ... FEB008.htm |
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My eyes have seen the glory of the Lord and the esthetics of the Flightline
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VarkVet
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Posted: Apr 04, 2010 - 10:34 PM
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Elite 1K
Joined: Oct 30, 2006 - 04:31 AM
Posts: 1442
Status: Offline
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jokes81 wrote:
Change the fuel nozzle. that fixes everything.
Good one Jokes ... sadly, but true |
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My eyes have seen the glory of the Lord and the esthetics of the Flightline
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93-3542
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Posted: Apr 07, 2010 - 11:36 AM
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Newbie
Joined: Mar 06, 2009 - 09:02 PM
Posts: 13
Location: ALASKA
Status: Offline
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| Well it looks like it's good, Ran it 3 times yesterday, and flew 2 times today no problems, we are calling the fix a combo of changing the left wow (that took care of the air start indication we were downloading) and repairing some wires in the harness between the start panel and the dessc. it's wierd that the dessc never picked up the wiring problem, we never got blinking run lights through this whole process. i wont feel good about the fix tho untill this thing goes a few weeks with out a problem, thanks for all the input! |
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rpgrynn
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Posted: Apr 07, 2010 - 05:50 PM
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Enthusiast
Joined: May 03, 2005 - 04:30 PM
Posts: 79
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| I really enjoyed your narrative - Good luck on the fix. |
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Bushmaster78FS
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Posted: Apr 07, 2010 - 06:49 PM
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Forum Veteran
Joined: Feb 22, 2006 - 04:03 PM
Posts: 522
Location: Enterprise, AL
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93-0542
Bushmasters yea! Sorry to butt in, couldn't resist the screenname! |
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SEMPER VIPER
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discofishing
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Posted: Apr 08, 2010 - 02:04 AM
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Elite 1K
Joined: Nov 07, 2008 - 10:15 PM
Posts: 1280
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| I've seen instances where other components fry other components. On D model Apaches I've seen a heat modulating valve short out internally and fry ECS DCUs. I imagine Bushmaster is the only dude that knows what I'm talking aboot. Although I did have a commander who was a former USAF crew chief tell me the AH-64D has a similar ECS to the F-15. |
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Bushmaster78FS
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Posted: Apr 08, 2010 - 04:30 AM
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Forum Veteran
Joined: Feb 22, 2006 - 04:03 PM
Posts: 522
Location: Enterprise, AL
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Bitching Betty and master caution warning is the same in the Hornet and Eagle... Boeing connection??
I was sick of replacing those DCUs, which you initially troubleshot by swapping them, not in a very accessible area either... blah... |
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SEMPER VIPER
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93-3542
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Posted: Apr 08, 2010 - 11:29 AM
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Newbie
Joined: Mar 06, 2009 - 09:02 PM
Posts: 13
Location: ALASKA
Status: Offline
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| Ya 542 was my jet when i was at shaw, it was a great jet i really dident have many problems with it, it was real upset when it crashed, i took good care of it. The pilot G-locked and lost control but the made it out before it hit the water. |
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texrican
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Posted: Apr 09, 2010 - 05:05 AM
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Enthusiast
Joined: Jul 23, 2009 - 04:49 AM
Posts: 20
Location: Texas
Status: Offline
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| I will keep this in our "Weird problems" list. Good Job! |
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F-16 A/B Avionics Specialist
F-16 C/D Electrician
C-130E Comm/Nav; GAC
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