Today's Message Index:
----------------------
1. 12:30 AM - Auto Response: Yak-List Digest: 10 Msgs - 02/25/16 (Gil Lipaz)
2. 03:48 AM - Re: [Non-DoD Source] Re: Oil shutoff valve (jlpartington@reagan.com)
3. 10:25 AM - My CJ-6 (Jeff Deuchar)
4. 11:02 AM - Re: V speed confusion (threein60)
5. 10:40 PM - Tachometer drive block-off plate? (John B)
Message 1
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| Subject: | Auto Response: Yak-List Digest: 10 Msgs - 02/25/16 |
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Message 2
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| Subject: | Re: Oil shutoff valve |
=0Amy concern as well, thanks=0A-----Original Message-----=0AFrom: cjpilot7
10@aol.com=0ASent: Thursday, 25 February, 2016 10:44pm=0ATo: yak-list@matro
nics.com=0ASubject: Re: [Non-DoD Source] Re: Yak-List: Oil shutoff valve=0A
=0A=0A=0AThe valve is on the bottom of the oil tank. I had to remove the o
il tank and weld up extra material so as to beef up the bottom. At the tim
e we felt it was a little weak in that area.=0A =0AJim "Pappy" Goolsby=0A
=0A=0AIn a message dated 2/25/2016 11:37:20 P.M. Eastern Standard Time, f16
viperdoc@me.com writes:=0AMark,=0ASorry, I did not finish my sentence. "Pul
l the plugs out of the bottom three cylinders before starting it again to a
llow trapped oil to drain." Did not mean to imply leaving the cylinders ope
n to ambient air without installing a desiccant filter that can be purchase
d from aircraft spruce. Was being called to the procedure suit as I was wri
ting. =0A From personal experience when my YAK sits for over a month even w
ith the sump drain open and draining into a plastic catch can oil still col
lects in the bottom three cylinders. Most commonly in #6 with it yielding t
he most volume when uncorked. =0A No I do not pour the oil collected from t
he sump back into the tank. I thought about it but after thinking more deci
ded Phillips oil in the quart bottle offered more peace of mind than saving
a few bucks on oil. Too high of a risk for contamination. To date have fou
nd one dead mouse, a dead starling, and one mouse swimming in my exhaust s
tack drain buckets. The hanger cat is hell on interlopers. No, she does not
like MMO either. =0AQuestion. Do you leave your intake drain open when the
aircraft sits? If so then is the system not open and exposed to ambient ai
r? =0A We all want to prevent damage to our engines. Bottomline, nothing i
s perfect nor fool proof.=0ADoc=0A=0A=0ASent from my iPad=0A=0AOn Feb 25, 2
016, at 8:37 PM, [ jlpartington@reagan.com ]( mailto:jlpartington@reagan.co
m ) wrote:=0A=0A=0A=0AGreat lesson and story, thanks. I chose the manual v
alve, where did you mount your valve? Seems to be several options, or not.
=0A =0AMy my other question was is it worth it. I think you answered tha
t one=0A =0A-----Original Message-----=0AFrom: [ cjpilot710@aol.com ]( mail
to:cjpilot710@aol.com )=0ASent: Thursday, 25 February, 2016 5:47pm=0ATo: [
yak-list@matronics.com ]( mailto:yak-list@matronics.com )=0ASubject: Re: [N
on-DoD Source] Re: Yak-List: Oil shutoff valve=0A=0A=0A=0AI'll put in what
was my experience with an oil tank shut off valve. The system came off a m
ilitary helicopter, and that I bought from Bill Blackwell. The system was
wired to prevent starting the engine with the valve closed. There was also
a green (valve open) and red (valve closed) lights on the panel. The syst
em worked loyally for at least 1,900 hours. One day when getting ready to
fly for a memorial service, we (I actually) got rushed. I "opened" the val
ve with the electrical switch and got a green light. Cleared the prop, and
hit the starter button. The solenoid open and engine started. At this po
int I had a distraction (never mind what - my fault). As a result I did no
t notice that I had NO oil pressure after start. AAMOF I didn't look it un
til I notice my prop wasn't responding during the run up. To late. I surm
ise that the gears in the motor of the valve had sheared and did not open t
he valve. They were bad on inspection. I believe the wiring that was supp
ose to be the protection against starting the engine with the valve closed
was actually hook into the bi directional motor in the unit and not the val
ve position itself.=0A =0ABesides a lot guff from the wife and $**,***.oo,
and another "learning experience", I now have a 100 hour since zero overhau
l from Barrett that I am very please with. Plus the high compression pisto
ns put out 388 hp which medicates a little of the bruised ego.=0A =0AYes I
still have a oil tank shut off valve. However, I modified the old valve, s
o that I open and closed it manually with a push pull cable. Next to the k
nob are a red & green lights that are now actived by micro switches mount o
n the valve itself. This is the first stage of the mod since I will incorp
orate the solenoid wiring later. Right now I pay very close attention to w
hat I am doing. Which is what one is supposed to do - - - - right? =0A =0A
=0AJim "Pappy" Goolsby=0A =0A=0AIn a message dated 2/25/2016 2:18:29 P.M.
Eastern Standard Time, [ f16viperdoc@me.com ]( mailto:f16viperdoc@me.com )
mailto:f16viperdoc@me.com )>=0A=0AMark,=0AThanks for pointing that out. Gue
ss I could have had a V8. =0AI understood what Pappy said perfectly well. W
hat I suggested was not adding another step to the hydraulic lock preventio
n check-list. It is one more piece of technology that can fail. Pappy can s
peak on the experience of having to rebuild an engine due to zero oil press
ure after shut off valve failure.=0ABottom line, it is your personal choice
as to how complicated you want to make your check-list. What ever floats y
our boat or blows your skirt up. =0ADoc=0A=0ASent from my iPad=0A=0A> On Fe
b 25, 2016, at 10:24 AM, Bitterlich, Mark G CIV NAVAIR, WD <[ mark.bitterli
ch@navy.mil ]( mailto:mark.bitterlich@navy.mil )> wrote:=0A> =0A> --> Yak-L
ist message posted by: "Bitterlich, Mark G CIV NAVAIR, WD" <[ mark.bitterli
ch@navy.mil ]( mailto:mark.bitterlich@navy.mil )>=0A> =0A> Doc, I suggest y
ou re-read what Pappy is saying because he is DEAD ON THE MONEY AND EXACTLY
CORRECT. His post has nothing to do with sump drains or pulling engines
through, or engines sitting around for a while. It has to do with the dang
ers and benefits of oil shut off valves. Dangers being most important.
=0A> =0A> But since you posted it ...... =0A> =0A> I drain sumps into any
old can and then trash the oil. Once oil comes out of an engine, I never p
ut it back in. Ever. You can, others can, I do not. I will never pull p
lugs and leave them out of a cylinder no matter what any manual says. It i
nvites moisture intrusion and corrosion. Let the oil fill those cylinders
up over a period of months. Fine with me. Pull plugs when you next want t
o go flying and drain the oil and then pull through with those plugs out.
That's what my manual says to do, although admittedly I wrote it. =0A> =0A
> Have a nice day. :-) =0A> =0A> Mark=0A> =0A> =0A> -----Original Messag
e-----=0A> From: [ owner-yak-list-server@matronics.com ]( mailto:owner-yak-
list-server@matronics.com ) [[ mailto:owner-yak-list-server@matronics.com ]
( mailto:owner-yak-list-server@matronics.com )] On Behalf Of Roger Kemp=0A>
Sent: Thursday, February 25, 2016 11:00 AM=0A> To: [ yak-list@matronics.co
m ]( mailto:yak-list@matronics.com )=0A> Subject: [Non-DoD Source] Re: Yak-
List: Oil shutoff valve=0A> =0A> Pappy,=0A> As you and I both know in our a
dvance degenerative brain cell states KISS still works best. Open the sump
drain after shut down ( preferably drained into a clean gas can but optiona
l) and pull (12 to 14)blades weekly to help chase away the hydraulic lock g
remlin. If it is going to sit for longer than a month without flying then p
ull the plugs out of the bottom three cylinders. That is what the YAK maint
enance manual calls for. Introducing another procedure into the loop only m
eans one more opportunity to screw the pooch.=0A> IMHO,=0A> DOC=0A> =0A> Se
nt from my iPad=0A> =0A> On Feb 25, 2016, at 2:57 AM, [ cjpilot710@aol.com
]( mailto:cjpilot710@aol.com ) wrote:=0A> =0A> =0A> =0A> =0A> Be very
careful about using the valve. Forgetting to open the valve before engine
start has caused the wrecking of at least 2 engines that I personally know
of. I guarantee you, its an expensive experience. I am not familiar with
Kinball's valve, but if there is a way to brake the starter solenoid elect
rical circuit while the valve is closed, DO IT. Also, you should have a ni
ce big OIL low pressure light in conspicuous place of the front panel. Bet
ter yet a big red light on the front panel showing the valve is closed. If
the valve is electrically open or closed, try to make sure the light for t
he valve position, uses a different power source. And get into the habit o
f checking your oil pressure gage several times after starting. The distra
ction of being rushed to make a takeoff time for an event, thus missing the
fact that the valve was still closed will lead to the expense of an overha
ul.=0A> =0A> Jim "Pappy" Goolsby =0A> =0A> In a message dated
2/24/2016 3:49:42 P.M. Eastern Standard Time, [ jlpartington@reagan.com ](
mailto:jlpartington@reagan.com ) writes:=0A> =0A> I just bought a O
il shut off valve from Jim Kimball Enterprises for my CJ-6.=0A> =0A>
=0A> =0A> Has anyone installed one? Suggestions/pictures/help...
=0A> =0A> =0A> =0A> =0A> =0A> Jim (Pooh) Partington
=0A> =0A> 817 917 6806=0A> =0A> =0A> =0A> =0A>
=0A> =0A> =0A> _=0A> =0A> =0A> =0A> =0A> =0A> ==
======================; nbsp;
(And Get Some AWESOME FREE to find Gifts nbsp; List k you for p;
-Matt Dralle, List ===========
============= e ties Day ========
=============== - MATRONICS WEB
FORUMS ======================
= - List Contribution Web Site sp; =
=0A=0A=0A=0A=0A=0A=0A=0A ==0A=0A=0A=0A
Message 3
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Hi all,
If you know someone looking; I've put mine up for sale.=C2- I will miss h
er.=C2- She's been a great bird but divorce forces her out.
Check out Ebay.
Thanks,Jeff
Message 4
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| Subject: | Re: V speed confusion |
With the problem identified I was hoping that there would be someone with some
great words of wisdom to help clarify this. According to, at least this manual,
many are referencing wrong speeds with potential structural issues down the
road. Perhaps? or maybe the speeds that are commonly quoted have been analyzed
and the published CJ book values don't hold any longer? Anyone wish to weigh
in here and add some clarity?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=453241#453241
Message 5
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| Subject: | Tachometer drive block-off plate? |
Does anyone have a tachometer drive block-off plate available? Is a gasket
used with this plate? How are the nuts secured against vibration?
John B
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