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Any difference in cooling requirements between the hydraulic

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Clive J

Joined: 03 Nov 2007
Posts: 340
Location: UK

Posted: Mon Aug 11, 2008 11:58 am Post subject: Any difference in cooling requirements between the hydraulic

I have a hydraulic tappet 3300 Jabiru engine. I've been chasing an

overheating problem whilst having a cooler that was recommended to do

the job. I've proven to myself that the cooler is too small and I now

have the cooler that is standard fit for the J400,430 etc. I've not yet

got it piped up and tried it but on the basis that this cooler in the UK

is usually partially blanked off I'm assuming my overheating problem

will go away.



One thing I did wonder about, has anyone come across a difference in

cooling requirements between the hydraulic and pre-hydraulic engines?



Thanks, Regards, Clive

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pequeajim

Joined: 03 Sep 2006
Posts: 708
Location: New Holland, PA

Posted: Mon Aug 11, 2008 12:41 pm Post subject: Any difference in cooling requirements between the hydraulic

I believe that Nick has said that the hydraulic engines run a bit hotter. One thing that he has done to successfully keep the temp down is to construct a cooling plenum attached to the oil pan vents on the bottom of the 3300 and then cut and opening in the front of the cowl to allow additional airflow over the cooling fins of the oil pan.

   

 See the attached pic.

  

 Jim!



 

 On 8/11/08, James, Clive R <clive.james(at)uk.bp.com (clive.james(at)uk.bp.com)> wrote: [quote]--> Lightning-List message posted by: "James, Clive R" <clive.james(at)uk.bp.com (clive.james(at)uk.bp.com)>

 

I have a hydraulic tappet 3300 Jabiru engine. I've been chasing an

overheating problem whilst having a cooler that was recommended to do

the job. I've proven to myself that the cooler is too small and I now

 have the cooler that is standard fit for the J400,430 etc. I've not yet

got it piped up and tried it but on the basis that this cooler in the UK

is usually partially blanked off I'm assuming my overheating problem

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allanmaxe(at)yahoo.com
Guest

Posted: Mon Aug 11, 2008 1:01 pm Post subject: Any difference in cooling requirements between the hydraulic

Hi clive this is Allan maxwell I have 2 oil coolers I will send you a picture of my set up soon. I was likeing to know about your chts ?

--- On Mon, 8/11/08, James, Clive R <clive.james(at)uk.bp.com> wrote:

  	  Quote: 	
		  From: James, Clive R <clive.james(at)uk.bp.com>

Subject: Any difference in cooling requirements between the hydraulic and pre-hydraulic engines?

To: lightning-list(at)matronics.com

Date: Monday, August 11, 2008, 2:56 PM

 	  Quote: 	
		  --> Lightning-List message posted by: "James, Clive R"

<clive.james(at)uk.bp.com>

I have a hydraulic tappet 3300 Jabiru engine. I've been chasing an

overheating problem whilst having a cooler that was recommended to do

the job. I've proven to myself that the cooler is too small and I now

have the cooler that is standard fit for the J400,430 etc. I've not yet

got it piped up and tried it but on the basis that this cooler in the UK

is usually partially blanked off I'm assuming my overheating problem

will go away.

One thing I did wonder about, has anyone come across a difference in

cooling requirements between the hydraulic and pre-hydraulic engines?

Thanks, Regards, Clive

         [quote][b]

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info(at)flylightning.net
Guest

Posted: Mon Aug 11, 2008 2:04 pm Post subject: Any difference in cooling requirements between the hydraulic

Clive, 



I have noticed that at least with oil temps in our cowl configuration that

the hydraulic lifter engine runs hotter on oil temp. It is ok if we climb

and cruise and than land but when we start doing training and constant

takeoffs it doesnot get a chance to cool down enough so we have made a

little box that seems to work well.

Nick



--

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allanmaxe(at)yahoo.com
Guest

Posted: Mon Aug 11, 2008 6:46 pm Post subject: Any difference in cooling requirements between the hydraulic

Clive I am sending 6 pictures total - 3 with this email of my planes  oil cooling system. Allan

  

 



--- On Mon, 8/11/08, James, Clive R <clive.james(at)uk.bp.com> wrote:



  	  Quote: 	
		  From: James, Clive R <clive.james(at)uk.bp.com>

Subject: Any difference in cooling requirements between the hydraulic and pre-hydraulic engines?

To: lightning-list(at)matronics.com

Date: Monday, August 11, 2008, 2:56 PM



 	  Quote: 	
		  --> Lightning-List message posted by: "James, Clive R"

<clive.james(at)uk.bp.com>



I have a hydraulic tappet 3300 Jabiru engine. I've been chasing an

overheating problem whilst having a cooler that was recommended to do

the job. I've proven to myself that the cooler is too small and I now

have the cooler that is standard fit for the J400,430 etc. I've not yet

got it piped up and tried it but on the basis that this cooler in the UK

is usually partially blanked off I'm assuming my overheating problem

will go away.



One thing I did wonder about, has anyone come across a difference in

cooling requirements between the hydraulic and pre-hydraulic engines?



Thanks, Regards, Clive

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Clive J

Joined: 03 Nov 2007
Posts: 340
Location: UK

Posted: Tue Aug 12, 2008 10:35 am Post subject: Any difference in cooling requirements between the hydraulic

Thanks for the oil cooling pictures. I can see it needs a fair amount of

cooler.

I've sent through some info on my CHT cooling direct.



Thanks everyone for the other cooling tips and info, it will be another

two weeks before I get to fit and pipe up my new cooler but I've got

lots of ideas about what to do next.



Regards, Clive 



--

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