REFLECTOR:Exhaust Thermocoupler

Mon, 10 Nov 2003 09:55:07 -0600

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Do you have boss mounted compression type thermocoules, or band clamp
thermocouples?

The band type are common in industry.
Check
www.omega.com --- expensive
www.mcmaster.com
www.use-enco.com

Make sure you get the same type (J,K,T) thermocouple or you will get bad
data.  Red/Yellow wire is type K.  which is probably what you have.
  -----Original Message-----
  From: reflector-admin@tvbf.org [mailto:reflector-admin@tvbf.org]On Behalf
Of HYTEC45@aol.com
  Sent: Monday, November 10, 2003 9:00 AM
  To: reflector@awpi.com
  Subject: REFLECTOR:Exhaust Thermocoupler

  I have a Vision 1000 and had a cylinder (#3) take a jump in indicated EGT
after 20/25min. of operation a flight back.  Every thing was fine with all
jugs showing 1350, when #3 jumped to 1500/25.  I don't really think a
cylinder can get that high as mine seem to stumble around 1425.  My
thermocouplers are mounted 2" from the flange.  When I pulled power during
the approach and things cooled off, the thermocoupler seemed to read normal
along with the others.  A friend with a Berkut said he had a thermocoupler
go bad and they will either read nothing, or go full scale to 1500.

  Just passing that on, but I think someone mentioned an alternate source
for the exhaust thermocouplers.  Any one know before I order one from
Vision?

  Thanks
  TEC

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<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D670344815-10112003>Do you=20
have boss mounted compression type thermocoules, or band clamp=20
thermocouples?</SPAN></FONT></DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN=20
class=3D670344815-10112003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D670344815-10112003>The=20
band type are common in industry.</SPAN></FONT></DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN=20
class=3D670344815-10112003>Check</SPAN></FONT></DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D670344815-10112003><A=20
href=3D"http://www.omega.com">www.omega.com</A> --- =
expensive</SPAN></FONT></DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D670344815-10112003><A=20
href=3D"http://www.mcmaster.com">www.mcmaster.com</A></SPAN></FONT></DIV>=

<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D670344815-10112003><A=20
href=3D"http://www.use-enco.com">www.use-enco.com</A></SPAN></FONT></DIV>=

<DIV><SPAN=20
class=3D670344815-10112003>&nbsp;</DIV>
<DIV>Make=20
sure you get the same type (J,K,T) thermocouple or you will get bad =
data.&nbsp;=20
Red/Yellow wire is type K.&nbsp; which is probably what you=20
have.</DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; PADDING-LEFT: =
5px">
 <DIV align=3Dleft class=3DOutlookMessageHeader dir=3Dltr>-----Original Message----- From: =
reflector-admin@tvbf.org=20
 [mailto:reflector-admin@tvbf.org]On Behalf Of=20
 HYTEC45@aol.com Sent: Monday, November 10, 2003 9:00=20
 AM To: reflector@awpi.com Subject: =
REFLECTOR:Exhaust=20
 Thermocoupler </DIV>I have a Vision 1000 and had a =
cylinder (#3)=20
 take a jump in indicated EGT after 20/25min. of operation a flight =
back.&nbsp;=20
 Every thing was fine with all jugs showing 1350, when #3 jumped to=20
 1500/25.&nbsp; I don't really think a cylinder can get that high as =
mine seem=20
 to stumble around 1425.&nbsp; My thermocouplers are mounted 2" from =
the=20
 flange.&nbsp; When I pulled power during the approach and things =
cooled off,=20
 the thermocoupler seemed to read normal along with the others.&nbsp; A =
friend=20
 with a Berkut said he had a thermocoupler go bad and they will either =
read=20
 nothing, or go full scale to 1500. Just passing that on, but I =
think=20
 someone mentioned an alternate source for the exhaust =
thermocouplers.&nbsp;=20
 Any one know before I order one from Vision? Thanks TEC=20
 </BLOCKQUOTE></BODY></HTML>

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