Today's Message Index:
----------------------
1. 01:02 PM - CHT's (BobbyPaulk@comcast.net)
2. 01:18 PM - Re: CHT's (Iberplanes IGL)
3. 02:05 PM - Re: CHT's (Jabiru USA)
4. 02:08 PM - Re: CHT's (Ivan)
5. 02:34 PM - Re: CHT's (Ivan)
6. 02:48 PM - Re: CHT's (Iberplanes IGL)
7. 08:51 PM - Re: CHT's (D.Hetrick)
Message 1
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Question regarding the last post.
Does anyone know the beginning temperature of the Yellow Range of the CHT's on
the 3300.
my engine is in a 601 XL and i would like to stay out of the Caution area.
DO NOT ARCHIVE
Message 2
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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
Message 3
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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 200=BAC (392=B0F)
Continuous Operation 180=BAC (356=B0F)
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
_____
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
Iberplanes IGL
Sent: Tuesday, July 15, 2008 3:15 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
Message 4
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I studied the Jabiru Engine Instruction and Maintenance Manual carefully
upon receiving my airplane. Jabiru Au has all the manuals on their
site. On page 12 of the Jab Engine Instruction manual it says that the
max continuous CHT temp is 356 F. This appears to me that this is the
top of the "green" values. Max on climbout for 5 min max is 392F or
redline. So it seems to me that yellow is from 356-392F. I try never
to let my cht's operate continuously above the 340's hottest.
The latest revision of the POH for my Jabiru J-250 states that 356-392 F
is in the yellow arc.
Hope this helps,
Ivan
----- Original Message -----
From: Iberplanes IGL
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
Message 5
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Well said Pete. One of the reasons why I decided to purchase the Jabiru
J-250 with the Jabiru engine as opposed a Rotax powered aircraft is
because I was impressed so much by the Jabiru documentation. Almost all
of my questions regarding the engine were answered by both the I/M
manual and also the installation manual. Even though I have a factory
buile S-LSA I still read the assembly and engine installation manuals
because they had a wealth of additional information. I have owned Rotax
engines for years (with dissappointment.) I was alsways trying to
figure out what fluids I shoud use. I never could find the torque
values when I did work on the Rotax which frustrated me to hell. I had
a big smile on my face when I saw a page with torque values in the
Jabiru Manuals.
My aviation motto has always been if it is not in writing, then it is
heresay. Good documentation signifies a well thought out design and
reproducibility. It also is the basis of future improvements and issued
SB's which I also review.
Reading is a part of flying, fly safe
Ivan
Phoenix, AZ, USA
----- Original Message -----
From: Jabiru USA
To: jabiruengine-list@matronics.com
Sent: Tuesday, July 15, 2008 2:01 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 200=BAC (392=B0F)
Continuous Operation 180=BAC (356=B0F)
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
-------------------------------------------------------------------------
-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
Iberplanes IGL
Sent: Tuesday, July 15, 2008 3:15 PM
To: jabiruengine-list@matronics.com
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
http://www.matronics.com/contribution
Message 6
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Hello Peter,
What can I say?
Thank you very much!!
2008/7/15 Jabiru USA <info@usjabiru.com>:
> 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 200=BAC (392=B0F)
>
> Continuous Operation 180=BAC (356=B0F)
>
>
> That would indicate that the red line would be at 392 degrees F. The gre
en
> 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
>
>
> ------------------------------
>
> *From:* owner-jabiruengine-list-server@matronics.com [mailto:
> owner-jabiruengine-list-server@matronics.com] *On Behalf Of *Iberplanes
> IGL
> *Sent:* Tuesday, July 15, 2008 3:15 PM
> *To:* jabiruengine-list@matronics.com
> *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
>
> * *
>
> * *
>
> **
>
> **
>
> **
>
> **
>
> **
>
> **
>
> **
>
> *http://www.matronics.com/contribution*
>
> * *
>
> *
>
===========
/www.matronics.com/Navigator?JabiruEngine-List
===========
===========
com/contribution
===========
> *
>
>
--
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 7
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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 Les Corts Catalanes 570. How far are you from the city? If
convenient, please call me at the hotel after 1300 on Thursday.
Thank you,
Dale Hetrick
Europa Tri-Gear/ Jabiru 3300
----- Original Message -----
From: Iberplanes IGL
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
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