Today's Message Index:
----------------------
1. 01:06 AM - Re: CHT's (Iberplanes IGL)
2. 04:00 AM - Re: CHT's (Rob Turk)
3. 06:22 AM - Re: CHT's (Jabiru USA)
Message 1
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Hello Dale,
Only 55Km, so I you want to meet us It would be great. What about saturday?
Are you living BCN on sunday?
Let me know.
2008/7/16 D.Hetrick <gdh@isp.com>:
> Hello Alberto,
> My wife and I will be arriving in Barcelona Friday the 17th at about 0930
.
> We have reservations for two days at the "Sunotel Central" Gran Via De L
es
> Corts Catalanes 570. How far are you from the city? If convenient, plea
se
> call me at the hotel after 1300 on Thursday.
> Thank you,
> Dale Hetrick
> Europa Tri-Gear/ Jabiru 3300
>
> ----- Original Message -----
> *From:* Iberplanes IGL <iberplanes@gmail.com>
> *To:* jabiruengine-list@matronics.com
> *Sent:* Tuesday, July 15, 2008 1:14 PM
> *Subject:* Re: JabiruEngine-List: CHT's
>
> Nice question, I=B4ve read the manual and it only says min and max
> temperatures.
>
>
> Alberto Martin
> www.iberplanes.es
> Igualada - Barcelona - Spain
>
> ----------------------------------------------
> Zodiac 601 XL Builder
> Serial: 6-7011
>
> Tail Kit: Finished
> Wings: Not Started
> Fuselage: Ordered
> Engine: Jabiru 3300
>
> *
>
> href="http://www.matronics.com/Navigator?JabiruEngine-List">http://www.
matronics.com/Navigator?JabiruEngine-List
> href="http://forums.matronics.com">http://forums.matronics.com
> href="http://www.matronics.com/contribution">http://www.matronics.com/c
> *
>
> *
>
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>
--
Alberto Martin
www.iberplanes.es
Igualada - Barcelona - Spain
----------------------------------------------
Zodiac 601 XL Builder
Serial: 6-7011
Tail Kit: Finished
Wings: Not Started
Fuselage: Ordered
Engine: Jabiru 3300
Message 2
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Hi Pete,
Maybe you know this.. Is the higher allowable CHT on the new engines because
of better materials, or because the construction has changed such that the
reading under the spark plug has changed while the actual temperature is
still the same?
Just wondering..
Rob
----- Original Message -----
From: Jabiru USA
Sent: Tuesday, July 15, 2008 11:01 PM
Subject: RE: JabiruEngine-List: CHT's
You guys need to read the manuals more carefully. Section 4 of the 3300
Installation Manual says:
4 OPERATING LIMITATIONS
4.1 RPM
- Continuous: 3300 RPM / Full Throttle
- Recommended Cruise: 2750 RPM - 3100 RPM
4.2 Engine Cooling
Maximum Cylinder Head Temperatures measured under exhaust spark plug.
Maximum Peak Temperature 200C (392F)
Continuous Operation 180C (356F)
That would indicate that the red line would be at 392 degrees F. The green
would be below 356 degrees F and the yellow would be the area between 356
and 392.
Those numbers are for the new hydraulic lifter engines. Earlier engines had
a max of 347 F.
Pete Krotje
Jabiru USA Sport Aircraft, LLC
Message 3
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The new heads are better engineered and will handle more heat. The JAR22H
engine testing proved it very well - 50 hours at 400 F at full power. No
problems.
Pete
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of Rob Turk
Sent: Wednesday, July 16, 2008 5:57 AM
Subject: Re: JabiruEngine-List: CHT's
Hi Pete,
Maybe you know this.. Is the higher allowable CHT on the new engines because
of better materials, or because the construction has changed such that the
reading under the spark plug has changed while the actual temperature is
still the same?
Just wondering..
Rob
----- Original Message -----
From: Jabiru USA
Sent: Tuesday, July 15, 2008 11:01 PM
Subject: RE: JabiruEngine-List: CHT's
You guys need to read the manuals more carefully. Section 4 of the 3300
Installation Manual says:
4 OPERATING LIMITATIONS
4.1 RPM
- Continuous: 3300 RPM / Full Throttle
- Recommended Cruise: 2750 RPM - 3100 RPM
4.2 Engine Cooling
Maximum Cylinder Head Temperatures measured under exhaust spark plug.
Maximum Peak Temperature 200C (392F)
Continuous Operation 180C (356F)
That would indicate that the red line would be at 392 degrees F. The green
would be below 356 degrees F and the yellow would be the area between 356
and 392.
Those numbers are for the new hydraulic lifter engines. Earlier engines had
a max of 347 F.
Pete Krotje
Jabiru USA Sport Aircraft, LLC
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