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Engine Cooling
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BobbyPaulk(at)COMCAST.NET
Guest

Posted: Sun Jan 04, 2009 10:25 am Post subject: Engine Cooling

List,

many thanks to "Jeff" for the photos and directions for the dams in the Ram Air Cooling Ducts.( Jabiru 3300 )  i installed the dams on the 2 rear cylinders with only 1/8" clearance above the fins including the steel fins on the cylinder.i also continued thru the gap in the spark plugs to the outside edge of the duct.  the temperature dropped from 335 ~ 340 to 265. UNBELIEVABLE. that is a 75 deg. drop. i was starting out with the dams too small.



you can learn a lot from this list if you go with the ones that know.



thanks again. 



bobby

N131BP

73 hrs. and i didn't have to pull the cowl after this flight.

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eldenej(at)yahoo.com
Guest

Posted: Sun Jan 04, 2009 10:49 am Post subject: Engine Cooling

Unfortunately, I seem to have missed the "photos and directions..." alluded to here. Might they be posted again?

  

 Many thanks,

  

 Elden Jacobson

 xl/3300

 Do not archive



--- On Mon, 1/5/09, BobbyPaulk(at)comcast.net <BobbyPaulk(at)comcast.net> wrote:



  	  Quote: 	
		  From: BobbyPaulk(at)comcast.net <BobbyPaulk(at)comcast.net>

Subject: Engine Cooling

To: zenith-list(at)matronics.com, jabiruengine-list(at)matronics.com

Date: Monday, January 5, 2009, 2:24 AM



 	  Quote: 	
		  --> Zenith-List message posted by: BobbyPaulk(at)comcast.net



List,

many thanks to "Jeff" for the photos and directions for the dams in

the Ram Air Cooling Ducts.( Jabiru 3300 )  i installed the dams on the 2 rear

cylinders with only 1/8" clearance above the fins including the steel fins

on the cylinder.i also continued thru the gap in the spark plugs to the outside

edge of the duct.  the temperature dropped from 335 ~ 340 to 265. UNBELIEVABLE.

that is a 75 deg. drop. i was starting out with the dams too small.



you can learn a lot from this list if you go with the ones that know.



thanks again. 



bobby

N131BP

73 hrs. and i didn't have to pull the cowl after this flight.  





	
	


         [quote][b]

- The Matronics Zenith-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?Zenith-List

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