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05-25-2009, 07:01 PM
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Join Date: Oct 2008
Location: Utah
Posts: 8,145
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If you had a choice
If you had a choice of only one EGT sensor on four-cylinder Lycoming, which cylinder would you choose to install it on?
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05-25-2009, 07:23 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Quote:
Originally Posted by Vladyspassky
If you had a choice of only one EGT sensor on four-cylinder Lycoming, which cylinder would you choose to install it on?
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Typically #3 runs hottest on most RVs.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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05-25-2009, 07:27 PM
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Join Date: Oct 2008
Location: Utah
Posts: 8,145
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Quote:
Originally Posted by Mel
Typically #3 runs hottest on most RVs.
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what if we assume that #3 already has CHT probe? |
05-25-2009, 07:50 PM
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Join Date: Apr 2005
Location: KSLC
Posts: 4,021
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Quote:
Originally Posted by Vladyspassky
what if we assume that #3 already has CHT probe?
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My EGT is mounted through a drilled hole in the #3 exhaust pipe.
edit: And I only have the one CHT & EGT. Both on #3
L.Adamson --- RV6A |
05-25-2009, 07:58 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Quote:
Originally Posted by Vladyspassky
what if we assume that #3 already has CHT probe?
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CHT probe mounts in the cylinder head. EGT probe mounts in the exhaust pipe.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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05-26-2009, 04:37 AM
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Join Date: Oct 2008
Location: Utah
Posts: 8,145
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Quote:
Originally Posted by L.Adamson
And I only have the one CHT & EGT. Both on #3
L.Adamson --- RV6A
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point taken thank you.
I've read somewhere that single CHT and EGT were installed on different cylinders and there was an explanation why. I can not find the discussion. |
05-26-2009, 11:00 AM
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Join Date: Aug 2005
Location: Pasadena CA
Posts: 2,484
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If I had only one, I'd put it into my 4 into 1 collector...
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Stephen Samuelian, CFII, A&P IA, CTO
RV4 wing in Jig @ KPOC
RV7 emp built
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05-26-2009, 11:21 AM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Quote:
Originally Posted by osxuser
If I had only one, I'd put it into my 4 into 1 collector...
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The EGT probe needs to be within about 2" from the flange.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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05-26-2009, 10:15 PM
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Join Date: Aug 2005
Location: Pasadena CA
Posts: 2,484
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Why? On multi probe setups this is true, but there are tons of airplanes that aren't setup that way on single probe.
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Stephen Samuelian, CFII, A&P IA, CTO
RV4 wing in Jig @ KPOC
RV7 emp built
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05-28-2009, 07:25 PM
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Join Date: Mar 2008
Location: houston, texas
Posts: 900
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pyrometer what?
I think it has to do with the little blue flame that likes to hide behind the exaust valve and only comes out very fast and if you have a good sociometric mix only a short distance into the pipy thingy. That way you can get a good pyrometer read on the top of his head. Listen to Mel on this one, hes been there done that..
Yours as always REA III #80888
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