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n45bm(at)yahoo.com
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 Posted: Sun Apr 17, 2011 6:30 am Post subject: Rotec water cooled heads for 3300 Jabiru |
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Group,
A friend in Oz turned me on to this issue, of Jabiru 3300 heads needing re-torquing and becoming deformed due to excessive heat. I don't know how much of an issue this is, as I'm not yet at the engine install and run stage on my Lightning, but I'm definitely interested in Rotec's developments.
Has anyone else had any issues with high CHT temps and are you having to re-torque the heads on a regular basis? Here's the very first You Tube video that I saw on that subject.
http://www.youtube.com/watch?v=MfftfKg0yvo&NR=1
This is a solution that if true, could make the 3300 a much better engine and would keep temps down and extend its longevity. If anyone else has heard of this, or has tried it, let's talk about it. Food for thought. Lots of food.
Bernardo Melendez, Kit # 110
Bernardo Melendez, Realtor
Professional Real Estate Inspector
ALIANZA INSPECTIONS
Mobile: 281.536.9052
Bernardo(at)AlianzaInspections.com
[quote][b]
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checkpoint2(at)comcast.ne
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| Posted: Sun Apr 17, 2011 1:25 pm Post subject: Rotec water cooled heads for 3300 Jabiru |
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Stick to real estate.
From: owner-lightning-list-server(at)matronics.com [mailto:owner-lightning-list-server(at)matronics.com] On Behalf Of Bernard Melendez, Jr.
Sent: Sunday, April 17, 2011 10:27 AM
To: lightning-list(at)matronics.com
Subject: Rotec water cooled heads for 3300 Jabiru
Group,
A friend in Oz turned me on to this issue, of Jabiru 3300 heads needing re-torquing and becoming deformed due to excessive heat. I don't know how much of an issue this is, as I'm not yet at the engine install and run stage on my Lightning, but I'm definitely interested in Rotec's developments.
Has anyone else had any issues with high CHT temps and are you having to re-torque the heads on a regular basis? Here's the very first You Tube video that I saw on that subject.
http://www.youtube.com/watch?v=MfftfKg0yvo&NR=1
This is a solution that if true, could make the 3300 a much better engine and would keep temps down and extend its longevity. If anyone else has heard of this, or has tried it, let's talk about it. Food for thought. Lots of food.
Bernardo Melendez, Kit # 110
Bernardo Melendez, Realtor
Professional Real Estate Inspector
ALIANZA INSPECTIONS
Mobile: 281.536.9052
Bernardo(at)AlianzaInspections.com
| Quote: | | http://www.matronics.com/Navigator?Lightning-List |
0123456789
[quote][b]
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n45bm(at)yahoo.com
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| Posted: Sun Apr 17, 2011 1:38 pm Post subject: Rotec water cooled heads for 3300 Jabiru |
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Real estate and professional home inspections are my business, my bread and butter. Are you saying I can't build or fly a Lightning? The one I'm building is my third home built project, and I'm currently flying one I built from plans. I've also been licensed since February, 1974.
The fact I forgot to remove my signature means nothing.
Bernardo
--- On Sun, 4/17/11, Bob Haas <checkpoint2(at)comcast.net> wrote:
| Quote: |
From: Bob Haas <checkpoint2(at)comcast.net>
Subject: RE: Rotec water cooled heads for 3300 Jabiru
To: lightning-list(at)matronics.com
Date: Sunday, April 17, 2011, 4:22 PM
Stick to real estate.
From: owner-lightning-list-server(at)matronics.com [mailto:owner-lightning-list-server(at)matronics.com] On Behalf Of Bernard Melendez, Jr.
Sent: Sunday, April 17, 2011 10:27 AM
To: lightning-list(at)matronics.com
Subject: Lightning-List: Rotec water cooled heads for 3300 Jabiru
Group,
A friend in Oz turned me on to this issue, of Jabiru 3300 heads needing re-torquing and becoming deformed due to excessive heat. I don't know how much of an issue this is, as I'm not yet at the engine install and run stage on my Lightning, but I'm definitely interested in Rotec's developments.
Has anyone else had any issues with high CHT temps and are you having to re-torque the heads on a regular basis? Here's the very first You Tube video that I saw on that subject.
http://www.youtube.com/watch?v=MfftfKg0yvo&NR=1
This is a solution that if true, could make the 3300 a much better engine and would keep temps down and extend its longevity. If anyone else has heard of this, or has tried it, let's talk about it. Food for thought. Lots of food.
Bernardo Melendez, Kit # 110
Bernardo Melendez, Realtor
Professional Real Estate Inspector
ALIANZA INSPECTIONS
Mobile: 281.536.9052
Bernardo(at)AlianzaInspections.com
| Quote: | | http://www.matronics.com/Navigator?Lightning-Listhttp://forums.matronics.com |
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[quote][b]
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davemcc
Joined: 28 Feb 2007
Posts: 74
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| Posted: Sun Apr 17, 2011 3:07 pm Post subject: Rotec water cooled heads for 3300 Jabiru |
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Good for you Bernard, I enjoyed seeing the vids
[quote] ---
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allanmaxe(at)yahoo.com
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| Posted: Mon Apr 18, 2011 4:26 pm Post subject: Rotec water cooled heads for 3300 Jabiru |
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Hi Bernard as a fellow esqual owner I have a solid lift engine I check the head torque every 25 hrs and check the valve lash no problems 435 hrs. to date cht hottest 295 . The newest engines are good serial # 2222 on a friends is a big improvement mine is 5?? dont remember. Allan maxwell
--- On Sun, 4/17/11, Bernard Melendez, Jr. <n45bm(at)yahoo.com> wrote:
| Quote: |
From: Bernard Melendez, Jr. <n45bm(at)yahoo.com>
Subject: Rotec water cooled heads for 3300 Jabiru
To: lightning-list(at)matronics.com
Date: Sunday, April 17, 2011, 9:26 AM
Group,
A friend in Oz turned me on to this issue, of Jabiru 3300 heads needing re-torquing and becoming deformed due to excessive heat. I don't know how much of an issue this is, as I'm not yet at the engine install and run stage on my Lightning, but I'm definitely interested in Rotec's developments.
Has anyone else had any issues with high CHT temps and are you having to re-torque the heads on a regular basis? Here's the very first You Tube video that I saw on that subject.
http://www.youtube.com/watch?v=MfftfKg0yvo&NR=1
This is a solution that if true, could make the 3300 a much better engine and would keep temps down and extend its longevity. If anyone else has heard of this, or has tried it, let's talk about it. Food for thought. Lots of food.
Bernardo Melendez, Kit # 110
Bernardo Melendez, Realtor
Professional Real Estate Inspector
ALIANZA INSPECTIONS
Mobile: 281.536.9052
Bernardo(at)AlianzaInspections.com
| Quote: |
" rel=nofollow target=_blank>http://www.matronics.com/Navigator?Lightning-List
et=_blank>http://forums.matronics.com
llow target=_blank>http://www.matronics.com/contribution
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[quote][b]
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info(at)flylightning.net
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| Posted: Tue Apr 19, 2011 4:51 am Post subject: Rotec water cooled heads for 3300 Jabiru |
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Bernardo,
I don’t think I would mess with them. Spend a little time during flight testing to get the air baffles correct and the tuning and you shouldn’t have any problems.
Normally the need to torque the heads settles down after the engine fully breaks in, by 50 hours we usually don’t see anything move.
Now if you do have a bolt constantly moving that is a good indication of a cooling problem over that cylinder and attention to the baffle above it and it’s CHT should be noted and delt with.
The debate over aircooled and water cooled can rage on but Jabiru has got a good engine here and I wouldn’t fool with adding those heads, it not worth it.
The same company makes a finned valve cover as well, claiming to drop oil temps and such. The problem is that there is not enough splash oil on the covers to really transfer heat.
Also if one understands the Airducts provided than you will see that there is not much airflow over the valve covers to transfer any heat in the fins on a finned valve cover. They look “Cool” though.
I wouldn’t want to add the mess of hoses to my engine bay, and certainly not the water weight, even pregnant women don’t like water weight!
So come to our engine class in May and we can show you the correct way to install and maintain the engine properly and put to bed all those internet myths.
(sorry shame less plug for Mark and My engine course) but you really should attend its fun and educational.
Thanks
Nick Otterback
Arion Aircraft
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n45bm(at)yahoo.com
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| Posted: Tue Apr 19, 2011 6:03 am Post subject: Rotec water cooled heads for 3300 Jabiru |
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Thanks Nick. I was not going to change anything or go through the extra expense of adding $$$ and weight to a standard installation. I was merely asking if anyone else had heard or had had any experience with those new water cooled heads, and their thoughts on the subject.
There's a plaque on my garage wall that my late father-in-law made that says "We only fix what's broke". So, my plans were to leave well enough alone and only deal with things that are not right after operating and testing, if any.
But I also think that a forum for discussing, possibly improving, or making our aircraft safer is a good thing. Which leads to a subject that's been on my mind, and that is that I would love to see more communication and discussion amongst the builders and owners of Lightnings on this list or in the Yahoo group and to exchange ideas. Perhaps others will think that is good and someone can pick up the gauntlet and start dialogues.
Glad you guys made it safely through the storm in Lakeland.
Best regards,
Bernardo Melendez, Kit # 110
--- On Tue, 4/19/11, flylightning <info(at)flylightning.net> wrote:
[quote]
From: flylightning <info(at)flylightning.net>
Subject: RE: Rotec water cooled heads for 3300 Jabiru
To: lightning-list(at)matronics.com
Date: Tuesday, April 19, 2011, 7:48 AM
Bernardo,
I don’t think I would mess with them. Spend a little time during flight testing to get the air baffles correct and the tuning and you shouldn’t have any problems.
Normally the need to torque the heads settles down after the engine fully breaks in, by 50 hours we usually don’t see anything move.
Now if you do have a bolt constantly moving that is a good indication of a cooling problem over that cylinder and attention to the baffle above it and it’s CHT should be noted and delt with.
The debate over aircooled and water cooled can rage on but Jabiru has got a good engine here and I wouldn’t fool with adding those heads, it not worth it.
The same company makes a finned valve cover as well, claiming to drop oil temps and such. The problem is that there is not enough splash oil on the covers to really transfer heat.
Also if one understands the Airducts provided than you will see that there is not much airflow over the valve covers to transfer any heat in the fins on a finned valve cover. They look “Cool” though.
I wouldn’t want to add the mess of hoses to my engine bay, and certainly not the water weight, even pregnant women don’t like water weight!
So come to our engine class in May and we can show you the correct way to install and maintain the engine properly and put to bed all those internet myths.
(sorry shame less plug for Mark and My engine course) but you really should attend its fun and educational.
Thanks
Nick Otterback
Arion Aircraft
--
| | - The Matronics Lightning-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?Lightning-List |
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info(at)flylightning.net
Guest
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| Posted: Wed Apr 20, 2011 9:26 am Post subject: Rotec water cooled heads for 3300 Jabiru |
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Good one.
Nick
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http://www.matronics.com/Navigator?Lightning-List |
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voroninmax(at)gmail.com
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| Posted: Wed Apr 20, 2011 9:39 am Post subject: Rotec water cooled heads for 3300 Jabiru |
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go turbine if you are looking for an adventure
Max
On Wed, Apr 20, 2011 at 1:15 PM, flylightning <info(at)flylightning.net (info(at)flylightning.net)> wrote:
[quote]
Good one.
Nick
--
| | - The Matronics Lightning-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?Lightning-List |
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