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Tim Juhl
Joined: 21 Mar 2006
Posts: 488
Location: "Thumb" of Michigan
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 Posted: Sun Sep 24, 2006 7:44 am Post subject: EGT |
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I've ordered a 3300A to power the Zodiac XL that I'm building. I've sat in on a couple of factory seminars at Sun and Fun and Oshkosh and gotten lots of tidbits to ponder.....one relates to the monitoring of EGT's.
I understand the need to monitor CHT's of all six cylinders, but since the carb is altitude compensating and there is no mixture control.....how important is watching the EGT, especially of all six jugs?
I've owned a C182 and 172 and flown numerous other factory types, none of which did more than monitor EGT on one cylinder or in the single stack coming out of the muffler. Obviously the manufacturer did not put great importance in it. I would use it for leaning but never really trust it as there was no guarantee that I was reading the leanest cylinder. Other than the desire to fill the panel with gauges and flashing lights to impress the passengers, what do you see as the value of monitoring EGT's in this instance?
Tim Juhl
| | - The Matronics JabiruEngine-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
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CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Almost done! It'll fly in spring! |
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Tim Juhl
Joined: 21 Mar 2006
Posts: 488
Location: "Thumb" of Michigan
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| Posted: Tue Oct 31, 2006 4:36 pm Post subject: Re: EGT |
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Got my answer. I attended a class two weekends ago at Jabiru that dealt with installing the Jabiru 3300 in a Zodiac XL. Pete recommends installing egt probes on the rearmost two cylinders primarily to allow fine tuning of the carburetor (RE: proper jetting, balancing airflow to even out the right and left bank of cylinders, etc.) There is a bit more to getting things optimized than I first understood.
Tim Juhl
| | - The Matronics JabiruEngine-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?JabiruEngine-List |
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_________________
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Almost done! It'll fly in spring! |
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