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Strobe and E.I. UGB-16 Issue

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cbrxxdrv(at)aol.com
Guest

Posted: Mon Dec 15, 2008 2:47 pm Post subject: Strobe and E.I. UGB-16 Issue

I am posting this for a friend.....He can not send, only receive e-mails.

 

  

 

  

 

  

 

  " I'm having a problem with Whelen strobe interference on my E.I. UGB-16 engine analyzer showing up on number two cylinder. The display and bar graph jump between 190 and -300 deg F. When I turn off the strobes the problem disappears. The 2 power packs are mounted on the wingtips and are on a separate breakers for the E.I. and strobes. The interference causes the E.I. to trip its 5 amp breaker taking along the engine instruments and flap circuit with it.

   If after checking all the T/C connections from number 2 I still have problems can anyone suggest any ideas ?

   Thanks,

   Doug Gardner  RV-8A    N456DG   101 hrs

   Palm Harbor/Lakeland Fl

 

 Douglas P. Gardner

 Fireye Regional Sales Manager/Southeast

 Palm Harbor, Florida  34683

 (727) 784-2600 Fax (727) 785-4767

 Email : seabearfl(at)netzero.com (seabearfl(at)netzero.com)

 Listen to 350+ music, sports, & news radio stations – including songs for the holidays – FREE while you browse. Start Listening Now! 

  [quote][b]

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rv8a2001(at)yahoo.com
Guest

Posted: Mon Dec 15, 2008 3:39 pm Post subject: Strobe and E.I. UGB-16 Issue

Off the top of my head..........

  

 Do not run any wires that supply power near a wire used for an instrument reading. 

  

 For example on my firewall I have power wires going through in one area and wires used for sensors in another area seperated by about 2 feet.

  

 I am guesing that somewhere along the way the strobe wires are to close to other non-power wires.......?

  

  

Scott RV-8a

 



 

   From: "cbrxxdrv(at)aol.com" <cbrxxdrv(at)aol.com>

To: rv-list(at)matronics.com

Sent: Monday, December 15, 2008 2:45:08 PM

Subject: Strobe and E.I. UGB-16 Issue



 I am posting this for a friend.....He can not send, only receive e-mails.



 



 



 



 " I'm having a problem with Whelen strobe interference on my E.I. UGB-16 engine analyzer showing up on number two cylinder. The display and bar graph jump between 190 and -300 deg F. When I turn off the strobes the problem disappears. The 2 power packs are mounted on the wingtips and are on a separate breakers for the E.I. and strobes. The interference causes the E.I. to trip its 5 amp breaker taking along the engine instruments and flap circuit with it.

 If after checking all the T/C connections from number 2 I still have problems can anyone suggest any ideas ?

 Thanks,

 Doug Gardner  RV-8A    N456DG   101 hrs

 Palm Harbor/Lakeland Fl



Douglas P. Gardner

Fireye Regional Sales Manager/Southeast

Palm Harbor, Florida  34683

(727) 784-2600 Fax (727) 785-4767

Email : seabearfl(at)netzero.com (seabearfl(at)netzero.com)

 

  Listen to 350+ music, sports, & news radio stations – including songs for the holidays – FREE while you browse. Start Listening Now! 

 	  Quote: 	
		  [b] 	




           [quote][b]

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cbrxxdrv(at)aol.com
Guest

Posted: Mon Dec 15, 2008 6:50 pm Post subject: Strobe and E.I. UGB-16 Issue

I will say this for him......it was fine for the first 100 hours ??

 

 I am gonna take a look at it this weekend with him but will take all suggestions  

 

 Sal

 

   

 

   

 

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Kellym

Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ

Posted: Mon Dec 15, 2008 7:16 pm Post subject: Strobe and E.I. UGB-16 Issue

Interesting. I have a similar issue with #2 EGT only on same system. 

Sometimes it is fine, othertimes it jumps around, occasionally drops off 

line. Strobe switch is next to UBG-16 power switch. However this only 

developed after 150 hours. Next time it happens will try turning strobes 

off.



cbrxxdrv(at)aol.com wrote:

[quote] I will say this for him.......it was fine for the first 100 hours ??



 I am gonna take a look at it this weekend with him but will take all 

 suggestions  



 Sal

 --

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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD

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