Today's Message Index:
----------------------
1. 02:27 PM - Re: Odd running cylinder - cured! (Ralph E. Capen)
2. 02:50 PM - Re: Odd running cylinder - cured! (James Quinn)
3. 05:27 PM - Re: Odd running cylinder - cured! (FLYaDIVE)
Message 1
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| Subject: | Re: Odd running cylinder - cured! |
Scratches on the top of the nozzle where the restrictor sits. In fact the entire
top looked kinda mangled.
White cloth came out clean.....
-----Original Message-----
>From: "Ralph E. Capen" <recapen@earthlink.net>
>Sent: May 1, 2012 10:48 AM
>To: lycomingengines-list@matronics.com
>Subject: Re: [lycoming] Re: LycomingEngines-List: Odd running cylinder - cured!
>
>I'll do the white cloth - just in case anything falls out. I'm betting on the
scratches personally - I had taken it apart and cleaned the restrictor and line
earlier in my search - didn't remove the injector body though.
>
>Haven't heard about lead deposits in primer lines - my injectors now balance to
within .1gph when I go Lean-of-Peak - so I'm inclined to dismiss that as a possibility...especially
with only 160 TTSN. If I need to take them apart again,
I'll remember the Hoppe's #9...Thanks!
>
>
>-----Original Message-----
>>From: FLYaDIVE <flyadive@gmail.com>
>>Sent: May 1, 2012 10:35 AM
>>To: lycomingengines-list@matronics.com
>>Subject: Re: [lycoming] Re: LycomingEngines-List: Odd running cylinder - cured!
>>
>>Ralph:
>>
>>If you would, do the disassembly over a clean white cloth. I'm betting on
>>something like dirt <-- Which will be difficult to find. Or a scratch/nick
>>in the injector nozzle to seat area.
>>
>>Are you familiar with the problem of lead fuel deposits in primer lines?
>> I'm wondering if that might be happening in the injector? The cure for
>>this is to soak the parts in HOPPE"S Gun Cleaning Solvent #9.
>>
>>Good Luck,
>>
>>Barry
>>
>>
>>On Tue, May 1, 2012 at 10:14 AM, Ralph E. Capen <recapen@earthlink.net>wrote:
>>
>>> recapen@earthlink.net>
>>>
>>> Disassembly and evaluation is on my list of things to do next.....
>>> The injector and restrictor are sitting on my workbench waiting for me to
>>> inspect them....
>>> My prioirites at the time were focused on the fix and the subsequent test
>>> flight to determine results - but I didn't throw the parts away when I got
>>> back either.
>>> I'll post the inspection results shortly.
>>>
>>>
>>>
>>> Great question!
>>>
>>>
>>> >-----Original Message-----
>>> >From: FLYaDIVE
>>> >Sent: May 1, 2012 9:48 AM
>>> >To: lycomingengines-list@matronics.com
>>> >Subject: Re: LycomingEngines-List: Odd running cylinder - cured!
>>> >
>>> >Very Good Ralph:
>>> >
>>> >Have you taken apart the injector to find out what the cause is?
>>> >
>>> >I have this affliction about Pull & Replace Mechanics - I want to know
>>> what caused the failure. Sort of like: Why did the fuse pop? Just
>>> replacing it does not work for me. Let us know if you can.
>>> >
>>> >Barry
>>> >
>>> >
>>> >
>>> >On Tue, May 1, 2012 at 9:30 AM, Ralph E. Capen <recapen@earthlink.net>
>>> wrote:
>>> recapen@earthlink.net>
>>> >
>>> >Folks,
>>> >
>>> >I have been chasing down an odd running cylinder for quite a while now.
>>> >
>>> >As a reminder, RV6A, IO360B1F6 w/9.2:1 compression LASAR ignition, and
>>> SamJames cowl/plenum. The #1 would go lean during high power operations
>>> with both EGT and CHT spiking.
>>> >
>>> >During my most recent continued airworthiness inspections, I decided to
>>> remove, clean and replace the #1 injector body - making sure it was clocked
>>> according to the instructions.
>>> >
>>> >This made the issue worse as it was now running lean during the entire
>>> flight period.
>>> >
>>> >Removing and reclocking the injector made it better but wouldn't allow me
>>> to fix it.
>>> >
>>> >After many e-mail exchanges with Airflow Performance, lots of graph
>>> viewing, consulting experts, and general headscratching; I swapped the #1
>>> and #2 injector bodies along with their internal restrictors.
>>> >
>>> >Problem moved to the #2 position.
>>> >
>>> >Purchased and installed a new injector body to replace the #2 unit.
>>> >
>>> >Now I have no more peaks - after four flights, all cylinders track very
>>> close to each other.
>>> >
>>> >I will still be performing one more test to check the system at different
>>> altitudes. This test, suggested by the folks at Airflow Performance will
>>> show if I should install turbo venting rails to compensate for the plenum
>>> intake design.
>>> >
>>> >An item important to note is that I would probably not have noticed
>>> anything wrong if I wasn't reviewing my data from each flight graphically.
>>> The data captured by my AFS3400EE - converted to graphs with some software
>>> jointly produced with Mike Behnke allows for a detailed review of all kinds
>>> of information. Bottom line, if you have this data available - review
>>> it...if you don't understand what you're looking at - ask for help
>>> interpreting it. The Lycoming engine design is antique - but still
>>> works...our addition of technology allows for systematic diagnostics and
>>> improvements to keep it running.
>>> >
>>> >Ralph
>>> >
>>> >
>>> >
>>> >==========
>>> >nes-List" target="_blank">
>>> http://www.matronics.com/Navigator?LycomingEngines-List
>>> >==========
>>> >http://forums.matronics.com
>>> >==========
>>> >le, List Admin.
>>> >="_blank">http://www.matronics.com/contribution
>>> >==========
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >__._,_.___
>>> > Reply to sender | Reply to group |
>>> Reply via web post | Start a New Topic
>>> >Messages in this topic (1)
>>> >Recent Activity:
>>> >
>>> >* New Members2
>>> >
>>> >Visit Your Group
>>> >[Yahoo! Groups]
>>> >Switch to: Text-Only, Daily Digest Unsubscribe Terms of Use
>>> >.
>>> >
>>> >__,_._,___
>>>
>>>
>>>
>>>
>>>
>>===========
>>===========
>>===========
>>===========
>>>
>>>
>>>
>>>
>
>
Message 2
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| Subject: | Re: Odd running cylinder - cured! |
Ralph - be mindful of the proper torque values for the injector bodies, it
is easy to over tighten and distort the shape, also injector bodies should
be installed and torqued with a light coat of engine oil on the threads.
On Tue, May 8, 2012 at 4:24 PM, Ralph E. Capen <recapen@earthlink.net>wrote
:
> recapen@earthlink.net>
>
>
> Scratches on the top of the nozzle where the restrictor sits. In fact th
e
> entire top looked kinda mangled.
>
> White cloth came out clean.....
>
> -----Original Message-----
> >From: "Ralph E. Capen" <recapen@earthlink.net>
> >Sent: May 1, 2012 10:48 AM
> >To: lycomingengines-list@matronics.com
> >Subject: Re: [lycoming] Re: LycomingEngines-List: Odd running cylinder -
> cured!
> >
> >I'll do the white cloth - just in case anything falls out. I'm betting
> on the scratches personally - I had taken it apart and cleaned the
> restrictor and line earlier in my search - didn't remove the injector bod
y
> though.
> >
> >Haven't heard about lead deposits in primer lines - my injectors now
> balance to within .1gph when I go Lean-of-Peak - so I'm inclined to dismi
ss
> that as a possibility...especially with only 160 TTSN. If I need to take
> them apart again, I'll remember the Hoppe's #9...Thanks!
> >
> >
> >-----Original Message-----
> >>From: FLYaDIVE <flyadive@gmail.com>
> >>Sent: May 1, 2012 10:35 AM
> >>To: lycomingengines-list@matronics.com
> >>Subject: Re: [lycoming] Re: LycomingEngines-List: Odd running cylinder
-
> cured!
> >>
> >>Ralph:
> >>
> >>If you would, do the disassembly over a clean white cloth. I'm bettin
g
> on
> >>something like dirt <-- Which will be difficult to find. Or a
> scratch/nick
> >>in the injector nozzle to seat area.
> >>
> >>Are you familiar with the problem of lead fuel deposits in primer lines
?
> >> I'm wondering if that might be happening in the injector? The cure fo
r
> >>this is to soak the parts in HOPPE"S Gun Cleaning Solvent #9.
> >>
> >>Good Luck,
> >>
> >>Barry
> >>
> >>
> >>On Tue, May 1, 2012 at 10:14 AM, Ralph E. Capen <recapen@earthlink.net
> >wrote:
> >>
> >>> recapen@earthlink.net>
> >>>
> >>> Disassembly and evaluation is on my list of things to do next.....
> >>> The injector and restrictor are sitting on my workbench waiting for m
e
> to
> >>> inspect them....
> >>> My prioirites at the time were focused on the fix and the subsequent
> test
> >>> flight to determine results - but I didn't throw the parts away when
I
> got
> >>> back either.
> >>> I'll post the inspection results shortly.
> >>>
> >>>
> >>>
> >>> Great question!
> >>>
> >>>
> >>> >-----Original Message-----
> >>> >From: FLYaDIVE
> >>> >Sent: May 1, 2012 9:48 AM
> >>> >To: lycomingengines-list@matronics.com
> >>> >Subject: Re: LycomingEngines-List: Odd running cylinder - cured!
> >>> >
> >>> >Very Good Ralph:
> >>> >
> >>> >Have you taken apart the injector to find out what the cause is?
> >>> >
> >>> >I have this affliction about Pull & Replace Mechanics - I want to kn
ow
> >>> what caused the failure. Sort of like: Why did the fuse pop? Just
> >>> replacing it does not work for me. Let us know if you can.
> >>> >
> >>> >Barry
> >>> >
> >>> >
> >>> >
> >>> >On Tue, May 1, 2012 at 9:30 AM, Ralph E. Capen <recapen@earthlink.ne
t
> >
> >>> wrote:
> >>> recapen@earthlink.net>
> >>> >
> >>> >Folks,
> >>> >
> >>> >I have been chasing down an odd running cylinder for quite a while
> now.
> >>> >
> >>> >As a reminder, RV6A, IO360B1F6 w/9.2:1 compression LASAR ignition, a
nd
> >>> SamJames cowl/plenum. The #1 would go lean during high power
> operations
> >>> with both EGT and CHT spiking.
> >>> >
> >>> >During my most recent continued airworthiness inspections, I decided
> to
> >>> remove, clean and replace the #1 injector body - making sure it was
> clocked
> >>> according to the instructions.
> >>> >
> >>> >This made the issue worse as it was now running lean during the enti
re
> >>> flight period.
> >>> >
> >>> >Removing and reclocking the injector made it better but wouldn't
> allow me
> >>> to fix it.
> >>> >
> >>> >After many e-mail exchanges with Airflow Performance, lots of graph
> >>> viewing, consulting experts, and general headscratching; I swapped th
e
> #1
> >>> and #2 injector bodies along with their internal restrictors.
> >>> >
> >>> >Problem moved to the #2 position.
> >>> >
> >>> >Purchased and installed a new injector body to replace the #2 unit.
> >>> >
> >>> >Now I have no more peaks - after four flights, all cylinders track
> very
> >>> close to each other.
> >>> >
> >>> >I will still be performing one more test to check the system at
> different
> >>> altitudes. This test, suggested by the folks at Airflow Performance
> will
> >>> show if I should install turbo venting rails to compensate for the
> plenum
> >>> intake design.
> >>> >
> >>> >An item important to note is that I would probably not have noticed
> >>> anything wrong if I wasn't reviewing my data from each flight
> graphically.
> >>> The data captured by my AFS3400EE - converted to graphs with some
> software
> >>> jointly produced with Mike Behnke allows for a detailed review of all
> kinds
> >>> of information. Bottom line, if you have this data available - revie
w
> >>> it...if you don't understand what you're looking at - ask for help
> >>> interpreting it. The Lycoming engine design is antique - but still
> >>> works...our addition of technology allows for systematic diagnostics
> and
> >>> improvements to keep it running.
> >>> >
> >>> >Ralph
> >>> >
> >>> >
> >>> >
> >>> >==========
> >>> >nes-List" target="_blank">
> >>> http://www.matronics.com/Navigator?LycomingEngines-List
> >>> >==========
> >>> >http://forums.matronics.com
> >>> >==========
> >>> >le, List Admin.
> >>> >="_blank">http://www.matronics.com/contribution
> >>> >==========
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >__._,_.___
> >>> > Reply to sender | Reply to group |
> >>> Reply via web post | Start a New Topic
> >>> >Messages in this topic (1)
> >>> >Recent Activity:
> >>> >
> >>> >* New Members2
> >>> >
> >>> >Visit Your Group
> >>> >[Yahoo! Groups]
> >>> >Switch to: Text-Only, Daily Digest - Unsubscribe - Terms of Use
> >>> >.
> >>> >
> >>> >__,_._,___
> >>>
> >>>
> >>>
> >>>
> >>>
> >>===========
> >>===========
> >>===========
> >>===========
> >>>
> >>>
> >>>
> >>>
> >
> >
>
>
===========
===========
===========
===========
>
>
Message 3
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| Subject: | Re: Odd running cylinder - cured! |
VERY GOOD RALPH!!!
It is always nice to know what caused the problem.
Best of luck,
Barry
On Tue, May 8, 2012 at 5:24 PM, Ralph E. Capen <recapen@earthlink.net>wrote
:
> recapen@earthlink.net>
>
>
> Scratches on the top of the nozzle where the restrictor sits. In fact th
e
> entire top looked kinda mangled.
>
> White cloth came out clean.....
>
> -----Original Message-----
> >From: "Ralph E. Capen" <recapen@earthlink.net>
> >Sent: May 1, 2012 10:48 AM
> >To: lycomingengines-list@matronics.com
> >Subject: Re: [lycoming] Re: LycomingEngines-List: Odd running cylinder -
> cured!
> >
> >I'll do the white cloth - just in case anything falls out. I'm betting
> on the scratches personally - I had taken it apart and cleaned the
> restrictor and line earlier in my search - didn't remove the injector bod
y
> though.
> >
> >Haven't heard about lead deposits in primer lines - my injectors now
> balance to within .1gph when I go Lean-of-Peak - so I'm inclined to dismi
ss
> that as a possibility...especially with only 160 TTSN. If I need to take
> them apart again, I'll remember the Hoppe's #9...Thanks!
> >
> >
> >-----Original Message-----
> >>From: FLYaDIVE <flyadive@gmail.com>
> >>Sent: May 1, 2012 10:35 AM
> >>To: lycomingengines-list@matronics.com
> >>Subject: Re: [lycoming] Re: LycomingEngines-List: Odd running cylinder
-
> cured!
> >>
> >>Ralph:
> >>
> >>If you would, do the disassembly over a clean white cloth. I'm bettin
g
> on
> >>something like dirt <-- Which will be difficult to find. Or a
> scratch/nick
> >>in the injector nozzle to seat area.
> >>
> >>Are you familiar with the problem of lead fuel deposits in primer lines
?
> >> I'm wondering if that might be happening in the injector? The cure fo
r
> >>this is to soak the parts in HOPPE"S Gun Cleaning Solvent #9.
> >>
> >>Good Luck,
> >>
> >>Barry
> >>
> >>
> >>On Tue, May 1, 2012 at 10:14 AM, Ralph E. Capen <recapen@earthlink.net
> >wrote:
> >>
> >>> recapen@earthlink.net>
> >>>
> >>> Disassembly and evaluation is on my list of things to do next.....
> >>> The injector and restrictor are sitting on my workbench waiting for m
e
> to
> >>> inspect them....
> >>> My prioirites at the time were focused on the fix and the subsequent
> test
> >>> flight to determine results - but I didn't throw the parts away when
I
> got
> >>> back either.
> >>> I'll post the inspection results shortly.
> >>>
> >>>
> >>>
> >>> Great question!
> >>>
> >>>
> >>> >-----Original Message-----
> >>> >From: FLYaDIVE
> >>> >Sent: May 1, 2012 9:48 AM
> >>> >To: lycomingengines-list@matronics.com
> >>> >Subject: Re: LycomingEngines-List: Odd running cylinder - cured!
> >>> >
> >>> >Very Good Ralph:
> >>> >
> >>> >Have you taken apart the injector to find out what the cause is?
> >>> >
> >>> >I have this affliction about Pull & Replace Mechanics - I want to kn
ow
> >>> what caused the failure. Sort of like: Why did the fuse pop? Just
> >>> replacing it does not work for me. Let us know if you can.
> >>> >
> >>> >Barry
> >>> >
> >>> >
> >>> >
> >>> >On Tue, May 1, 2012 at 9:30 AM, Ralph E. Capen <recapen@earthlink.ne
t
> >
> >>> wrote:
> >>> recapen@earthlink.net>
> >>> >
> >>> >Folks,
> >>> >
> >>> >I have been chasing down an odd running cylinder for quite a while
> now.
> >>> >
> >>> >As a reminder, RV6A, IO360B1F6 w/9.2:1 compression LASAR ignition, a
nd
> >>> SamJames cowl/plenum. The #1 would go lean during high power
> operations
> >>> with both EGT and CHT spiking.
> >>> >
> >>> >During my most recent continued airworthiness inspections, I decided
> to
> >>> remove, clean and replace the #1 injector body - making sure it was
> clocked
> >>> according to the instructions.
> >>> >
> >>> >This made the issue worse as it was now running lean during the enti
re
> >>> flight period.
> >>> >
> >>> >Removing and reclocking the injector made it better but wouldn't
> allow me
> >>> to fix it.
> >>> >
> >>> >After many e-mail exchanges with Airflow Performance, lots of graph
> >>> viewing, consulting experts, and general headscratching; I swapped th
e
> #1
> >>> and #2 injector bodies along with their internal restrictors.
> >>> >
> >>> >Problem moved to the #2 position.
> >>> >
> >>> >Purchased and installed a new injector body to replace the #2 unit.
> >>> >
> >>> >Now I have no more peaks - after four flights, all cylinders track
> very
> >>> close to each other.
> >>> >
> >>> >I will still be performing one more test to check the system at
> different
> >>> altitudes. This test, suggested by the folks at Airflow Performance
> will
> >>> show if I should install turbo venting rails to compensate for the
> plenum
> >>> intake design.
> >>> >
> >>> >An item important to note is that I would probably not have noticed
> >>> anything wrong if I wasn't reviewing my data from each flight
> graphically.
> >>> The data captured by my AFS3400EE - converted to graphs with some
> software
> >>> jointly produced with Mike Behnke allows for a detailed review of all
> kinds
> >>> of information. Bottom line, if you have this data available - revie
w
> >>> it...if you don't understand what you're looking at - ask for help
> >>> interpreting it. The Lycoming engine design is antique - but still
> >>> works...our addition of technology allows for systematic diagnostics
> and
> >>> improvements to keep it running.
> >>> >
> >>> >Ralph
> >>> >
> >>> >
> >>> >
> >>> >==========
> >>> >nes-List" target="_blank">
> >>> http://www.matronics.com/Navigator?LycomingEngines-List
> >>> >==========
> >>> >http://forums.matronics.com
> >>> >==========
> >>> >le, List Admin.
> >>> >="_blank">http://www.matronics.com/contribution
> >>> >==========
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >__._,_.___
> >>> > Reply to sender | Reply to group |
> >>> Reply via web post | Start a New Topic
> >>> >Messages in this topic (1)
> >>> >Recent Activity:
> >>> >
> >>> >* New Members2
> >>> >
> >>> >Visit Your Group
> >>> >[Yahoo! Groups]
> >>> >Switch to: Text-Only, Daily Digest - Unsubscribe - Terms of Use
> >>> >.
> >>> >
> >>> >__,_._,___
> >>>
> >>>
> >>>
> >>>
> >>>
> >>===========
> >>===========
> >>===========
> >>===========
> >>>
> >>>
> >>>
> >>>
> >
> >
>
>
===========
===========
===========
===========
>
>
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