---------------------------------------------------------- JabiruEngine-List Digest Archive --- Total Messages Posted Tue 04/24/18: 7 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 05:47 AM - Re: compression (kayberg@aol.com) 2. 07:34 AM - Re: JabiruEngine-List Digest: 3 Msgs - 04/23/18 (Chuck Deiterich) 3. 08:02 AM - Re: JabiruEngine-List Digest: 3 Msgs - 04/23/18 (Comcast) 4. 08:02 AM - Re: JabiruEngine-List Digest: 3 Msgs - 04/23/18 (Comcast) 5. 09:43 AM - Re: compression (Gary Aman) 6. 02:35 PM - Compression (Bobby Paulk) 7. 03:45 PM - Re: Compression (kayberg@aol.com) ________________________________ Message 1 _____________________________________ Time: 05:47:01 AM PST US From: kayberg@aol.com Subject: Re: JabiruEngine-List: compression Google "Sea Foam", Tex Doug Koenigsberg -----Original Message----- From: Tex Mantell Sent: Mon, Apr 23, 2018 6:58 pm Subject: RE: JabiruEngine-List: compression Whats sea foam? Sent from Mail for Windows 10 From: Bobby Paulk Sent: Monday, April 23, 2018 10:26 AM Subject: JabiruEngine-List: compression While doing my "Condition" inspection I found that #3 cylinder had dropped to 56 / 80 on the differential compression gauge ( engine warm ). The other five were 72, 74, and 76 average. The leak is through the rings because I can hear it in the Crankcase breather line to the catch can. The next day ( engine cold ) I put a pressure gauge on the cylinders and spun the engine with the starter. All cylinders were up to 90 psi or above including the #3. The engine is not using oil excessively ( about one to two ounces per hour ) and the oil is clean - about the color of maple syrup after 25 hrs on it. I sprayed all the cylinders with Sea Foam Deep Creep and am letting it sit until I get back there to run it and check differential compression again. Has anyone dealt with this problem or know how to fix. I plan on flying it for a for an hour or two and try the differential compression test again. Thanks for any input. Bobby Jabiru 3300 295 hrs. Zodiac 601 B ________________________________ Message 2 _____________________________________ Time: 07:34:45 AM PST US From: Chuck Deiterich Subject: JabiruEngine-List: Re: JabiruEngine-List Digest: 3 Msgs - 04/23/18 Be careful with oil additives.=C2-=C2- For example, Avblend is not reco mmended as it dissolves some of the sealants used between the case halves, etc. I don't know about Sea Foam Deep Creep.=C2-Regards, Chuck D. From: JabiruEngine-List Digest Server To: JabiruEngine-List Digest List Sent: Tuesday, April 24, 2018 1:41 AM Subject: JabiruEngine-List Digest: 3 Msgs - 04/23/18 * ======================== =C2- Online Versions of Today's List Digest Archive ======================== Today's complete JabiruEngine-List Digest can also be found in either of th e two Web Links listed below.=C2- The .html file includes the Digest format ted in HTML for viewing with a web browser and features Hyperlinked Indexes and Message Navigation.=C2- The .txt file includes the plain ASCII versio n of the JabiruEngine-List Digest and can be viewed with a generic text edito r such as Notepad or with a web browser. HTML Version: =C2- =C2- http://www.matronics.com/digest/digestview.php?Style=82701& View=html&Chapter 18-04-23&Archive=JabiruEngine Text Version: =C2- =C2- http://www.matronics.com/digest/digestview.php?Style=82701& View=txt&Chapter 18-04-23&Archive=JabiruEngine ======================== ======================= =C2- EMail Version of Today's List Digest Archive ======================== ======================= =C2- =C2- =C2- =C2- =C2- ---------------------------------------- ------------------ =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2 - =C2- =C2- JabiruEngine-List Digest Archive =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2 - =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- --- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- =C2- Total Messages Posted Mon 04/23/18: 3 =C2- =C2- =C2- =C2- =C2- ---------------------------------------- ------------------ ________________________________=C2- Message 1=C2- ____________________ _________________ Time: 07:27:36 AM PST US From: Bobby Paulk Subject: JabiruEngine-List: compression While doing my "Condition" inspection I found that #3 cylinder had dropped to 56 / 80 on the differential compression gauge ( engine warm ). The other five were 72, 74, and 76 average. The leak is through the rings because I can hear it in the Crankcase breather line to the catch can. The next day ( engine cold ) I put a pressure gauge on the cylinders and spun the engine with the star ter. All cylinders were up to 90 psi or above including the #3. The engine is not using oil excessively ( about one to two ounces per hour ) and the oil is clean - about the color of maple syrup after 25 hrs on it. I spr ayed all the cylinders with Sea Foam Deep Creep and am letting it sit until I get back there to run it and check differential compression again. Has anyone dealt with this problem or know how to fix. I plan on flying it for a for an hour or two and try the differential compression test again. Thanks for any input. Bobby Jabiru 3300 295 hrs. Zodiac 601 B ________________________________=C2- Message 2=C2- ____________________ _________________ ________________________________ Message 3 _____________________________________ Time: 08:02:35 AM PST US Subject: JabiruEngine-List: Re: JabiruEngine-List Digest: 3 Msgs - 04/23/18 From: Comcast <4rcsimmons@comcast.net> So, it was recommended to me to run the engine up in rpm fairly frequently to get the cylinders hot Enough to keep things clean. (Burning off carbon) Just my 2 cents - Rich > On Apr 24, 2018, at 1:36 AM, JabiruEngine-List Digest Server wrote: > > * > > ================================================= > Online Versions of Today's List Digest Archive > ================================================= > > Today's complete JabiruEngine-List Digest can also be found in either of the > two Web Links listed below. The .html file includes the Digest formatted > in HTML for viewing with a web browser and features Hyperlinked Indexes > and Message Navigation. The .txt file includes the plain ASCII version > of the JabiruEngine-List Digest and can be viewed with a generic text editor > such as Notepad or with a web browser. > > HTML Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 18-04-23&Archive=JabiruEngine > > Text Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 18-04-23&Archive=JabiruEngine > > > =============================================== > EMail Version of Today's List Digest Archive > =============================================== > > > ---------------------------------------------------------- > JabiruEngine-List Digest Archive > --- > Total Messages Posted Mon 04/23/18: 3 > ---------------------------------------------------------- > > > Today's Message Index: > ---------------------- > > 1. 07:27 AM - compression (Bobby Paulk) > 2. 03:58 PM - Re: compression (Tex Mantell) > 3. 07:31 PM - Re: compression (Tim Yoder) > > > > ________________________________ Message 1 _____________________________________ > > > Time: 07:27:36 AM PST US > From: Bobby Paulk > Subject: JabiruEngine-List: compression > > While doing my "Condition" inspection I found that #3 cylinder had dropped to 56 > / 80 on the differential compression gauge ( engine warm ). The other five were > 72, 74, and 76 average. The leak is through the rings because I can hear it > in the Crankcase breather line to the catch can. The next day ( engine cold > ) I put a pressure gauge on the cylinders and spun the engine with the starter. > All cylinders were up to 90 psi or above including the #3. > > The engine is not using oil excessively ( about one to two ounces per hour ) and > the oil is clean - about the color of maple syrup after 25 hrs on it. I sprayed > all the cylinders with Sea Foam Deep Creep and am letting it sit until I > get back there to run it and check differential compression again. > > Has anyone dealt with this problem or know how to fix. I plan on flying it for > a for an hour or two and try the differential compression test again. > > Thanks for any input. > > Bobby > > Jabiru 3300 295 hrs. > > Zodiac 601 B > > ________________________________ Message 2 _____________________________________ > > > Time: 03:58:09 PM PST US > From: Tex Mantell > Subject: RE: JabiruEngine-List: compression > > Whats sea foam? > > Sent from Mail for Windows 10 > > From: Bobby Paulk > Sent: Monday, April 23, 2018 10:26 AM > Subject: JabiruEngine-List: compression > > While doing my "Condition" inspection I found that #3 cylinder had dropped > to 56 / 80 on the differential compression gauge ( engine warm ). The other > five were 72, 74, and 76 average. The leak is through the rings because I > can hear it in the Crankcase breather line to the catch can. The next day ( > engine cold ) I put a pressure gauge on the cylinders and spun the engine > with the starter. All cylinders were up to 90 psi or above including the #3 > .. > =C2-The engine is not using oil excessively ( about one to two ounces per > hour ) and the oil is clean - about the color of maple syrup after 25 hrs > on it. I sprayed all the cylinders with Sea Foam Deep Creep and am letting > it sit until I get back there to run it and check differential compression > again. > Has anyone dealt with this problem or know how to fix. I plan on flying it > for a for an hour or two and try the differential compression test again. > Thanks for any input. > Bobby > Jabiru 3300 295 hrs. > Zodiac 601 B > > > ________________________________ Message 3 _____________________________________ > > > Time: 07:31:26 PM PST US > From: "Tim Yoder" > Subject: RE: JabiruEngine-List: compression > > Sounds like you are doing the correct things prior to the next check. > > On your next flight I would recommend high power setting to help clean > potential dirty rings. > > > Tim > > > From: owner-jabiruengine-list-server@matronics.com > On Behalf Of Bobby Paulk > Sent: Monday, April 23, 2018 7:26 AM > Subject: JabiruEngine-List: compression > > > While doing my "Condition" inspection I found that #3 cylinder had > dropped to 56 / 80 on the differential compression gauge ( engine warm > ). The other five were 72, 74, and 76 average. The leak is through the > rings because I can hear it in the Crankcase breather line to the catch > can. The next day ( engine cold ) I put a pressure gauge on the > cylinders and spun the engine with the starter. All cylinders were up to > 90 psi or above including the #3. > > The engine is not using oil excessively ( about one to two ounces per > hour ) and the oil is clean - about the color of maple syrup after 25 > hrs on it. I sprayed all the cylinders with Sea Foam Deep Creep and am > letting it sit until I get back there to run it and check differential > compression again. > > Has anyone dealt with this problem or know how to fix. I plan on flying > it for a for an hour or two and try the differential compression test > again. > > Thanks for any input. > > Bobby > > Jabiru 3300 295 hrs. > > Zodiac 601 B > > > > > > > > ________________________________ Message 4 _____________________________________ Time: 08:02:35 AM PST US Subject: JabiruEngine-List: Re: JabiruEngine-List Digest: 3 Msgs - 04/23/18 From: Comcast <4rcsimmons@comcast.net> So, it was recommended to me to run the engine up in rpm fairly frequently to get the cylinders hot Enough to keep things clean. (Burning off carbon) Just my 2 cents - Rich > On Apr 24, 2018, at 1:36 AM, JabiruEngine-List Digest Server wrote: > > * > > ================================================= > Online Versions of Today's List Digest Archive > ================================================= > > Today's complete JabiruEngine-List Digest can also be found in either of the > two Web Links listed below. The .html file includes the Digest formatted > in HTML for viewing with a web browser and features Hyperlinked Indexes > and Message Navigation. The .txt file includes the plain ASCII version > of the JabiruEngine-List Digest and can be viewed with a generic text editor > such as Notepad or with a web browser. > > HTML Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 18-04-23&Archive=JabiruEngine > > Text Version: > > http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 18-04-23&Archive=JabiruEngine > > > =============================================== > EMail Version of Today's List Digest Archive > =============================================== > > > ---------------------------------------------------------- > JabiruEngine-List Digest Archive > --- > Total Messages Posted Mon 04/23/18: 3 > ---------------------------------------------------------- > > > Today's Message Index: > ---------------------- > > 1. 07:27 AM - compression (Bobby Paulk) > 2. 03:58 PM - Re: compression (Tex Mantell) > 3. 07:31 PM - Re: compression (Tim Yoder) > > > > ________________________________ Message 1 _____________________________________ > > > Time: 07:27:36 AM PST US > From: Bobby Paulk > Subject: JabiruEngine-List: compression > > While doing my "Condition" inspection I found that #3 cylinder had dropped to 56 > / 80 on the differential compression gauge ( engine warm ). The other five were > 72, 74, and 76 average. The leak is through the rings because I can hear it > in the Crankcase breather line to the catch can. The next day ( engine cold > ) I put a pressure gauge on the cylinders and spun the engine with the starter. > All cylinders were up to 90 psi or above including the #3. > > The engine is not using oil excessively ( about one to two ounces per hour ) and > the oil is clean - about the color of maple syrup after 25 hrs on it. I sprayed > all the cylinders with Sea Foam Deep Creep and am letting it sit until I > get back there to run it and check differential compression again. > > Has anyone dealt with this problem or know how to fix. I plan on flying it for > a for an hour or two and try the differential compression test again. > > Thanks for any input. > > Bobby > > Jabiru 3300 295 hrs. > > Zodiac 601 B > > ________________________________ Message 2 _____________________________________ > > > Time: 03:58:09 PM PST US > From: Tex Mantell > Subject: RE: JabiruEngine-List: compression > > Whats sea foam? > > Sent from Mail for Windows 10 > > From: Bobby Paulk > Sent: Monday, April 23, 2018 10:26 AM > Subject: JabiruEngine-List: compression > > While doing my "Condition" inspection I found that #3 cylinder had dropped > to 56 / 80 on the differential compression gauge ( engine warm ). The other > five were 72, 74, and 76 average. The leak is through the rings because I > can hear it in the Crankcase breather line to the catch can. The next day ( > engine cold ) I put a pressure gauge on the cylinders and spun the engine > with the starter. All cylinders were up to 90 psi or above including the #3 > .. > =C2-The engine is not using oil excessively ( about one to two ounces per > hour ) and the oil is clean - about the color of maple syrup after 25 hrs > on it. I sprayed all the cylinders with Sea Foam Deep Creep and am letting > it sit until I get back there to run it and check differential compression > again. > Has anyone dealt with this problem or know how to fix. I plan on flying it > for a for an hour or two and try the differential compression test again. > Thanks for any input. > Bobby > Jabiru 3300 295 hrs. > Zodiac 601 B > > > ________________________________ Message 3 _____________________________________ > > > Time: 07:31:26 PM PST US > From: "Tim Yoder" > Subject: RE: JabiruEngine-List: compression > > Sounds like you are doing the correct things prior to the next check. > > On your next flight I would recommend high power setting to help clean > potential dirty rings. > > > Tim > > > From: owner-jabiruengine-list-server@matronics.com > On Behalf Of Bobby Paulk > Sent: Monday, April 23, 2018 7:26 AM > Subject: JabiruEngine-List: compression > > > While doing my "Condition" inspection I found that #3 cylinder had > dropped to 56 / 80 on the differential compression gauge ( engine warm > ). The other five were 72, 74, and 76 average. The leak is through the > rings because I can hear it in the Crankcase breather line to the catch > can. The next day ( engine cold ) I put a pressure gauge on the > cylinders and spun the engine with the starter. All cylinders were up to > 90 psi or above including the #3. > > The engine is not using oil excessively ( about one to two ounces per > hour ) and the oil is clean - about the color of maple syrup after 25 > hrs on it. I sprayed all the cylinders with Sea Foam Deep Creep and am > letting it sit until I get back there to run it and check differential > compression again. > > Has anyone dealt with this problem or know how to fix. I plan on flying > it for a for an hour or two and try the differential compression test > again. > > Thanks for any input. > > Bobby > > Jabiru 3300 295 hrs. > > Zodiac 601 B > > > > > > > > ________________________________ Message 5 _____________________________________ Time: 09:43:35 AM PST US From: Gary Aman Subject: Re: JabiruEngine-List: compression when doing the compression test,with the differential gauges,hang onto the prop firmly move it back off of tdc and then pull it forward again toward tdc.The rings act a little like wiper blades do but need to seal in the groves and rocking a little promotes that action > On Apr 23, 2018, at 10:26 AM, Bobby Paulk wrote: > > While doing my "Condition" inspection I found that #3 cylinder had dropped to 56 / 80 on the differential compression gauge ( engine warm ). The other five were 72, 74, and 76 average. The leak is through the rings because I can hear it in the Crankcase breather line to the catch can. The next day ( engine cold ) I put a pressure gauge on the cylinders and spun the engine with the starter. All cylinders were up to 90 psi or above including the #3. > > The engine is not using oil excessively ( about one to two ounces per hour ) and the oil is clean - about the color of maple syrup after 25 hrs on it. I sprayed all the cylinders with Sea Foam Deep Creep and am letting it sit until I get back there to run it and check differential compression again. > > Has anyone dealt with this problem or know how to fix. I plan on flying it for a for an hour or two and try the differential compression test again. > > Thanks for any input. > > Bobby > > Jabiru 3300 295 hrs. > > Zodiac 601 B > ________________________________ Message 6 _____________________________________ Time: 02:35:57 PM PST US From: Bobby Paulk Subject: JabiruEngine-List: Compression I just ran the engine for about 5 minutes today without the cowl. Did a differential compression test and #3 was back up to 72 / 80. The soaking with Sea Foam Deep Creep ( Since Saturday ) worked though I could still hear some air escaping thru the rings at the oil catch can. Last week I had never heard of Sea Foam and tomorrow morning I am picking up 2 cans from the Auto Parts store. One for home and one for the hangar. Thanks to the guys that responded. Bobby Jabiru 3300 295 Hrs. ________________________________ Message 7 _____________________________________ Time: 03:45:46 PM PST US From: kayberg@aol.com Subject: Re: JabiruEngine-List: Compression Running a Jabiru engine without the cowl on is a very risky proposition. More than one person has trashed their engine doing just that. CHT's must be watched carefully;airflow over the fins is a must. If SeaFoam loosened the rings, then that might be a sign of an overheated cylinder. Just my opinion. Doug Koenigsberg -----Original Message----- From: Bobby Paulk Sent: Tue, Apr 24, 2018 5:36 pm Subject: JabiruEngine-List: Compression I just ran the engine for about 5 minutes today without the cowl. Did a differential compression test and #3 was back up to 72 / 80. The soaking with Sea Foam Deep Creep ( Since Saturday ) worked though I could still hear some air escaping thru the rings at the oil catch can. Last week I had never heard of Sea Foam and tomorrow morning I am picking up 2 cans from the Auto Parts store. One for home and one for the hangar. Thanks to the guys that responded. 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