Today's Message Index:
----------------------
1. 12:03 PM - gill louver and oil cooler outlet shutter on CJ6A (Brian Lloyd)
2. 12:07 PM - Fuel Cap O ring and Air Compressor (Sarah Tobin)
3. 01:09 PM - Re: Fuel Cap O ring and Air Compressor (Tim Gagnon)
4. 01:18 PM - Re: Re: Fuel Cap O ring and Air Compressor (A. Dennis Savarese)
5. 01:55 PM - Re: Fuel Cap O ring and Air Compressor (Tim Gagnon)
6. 03:47 PM - Re: Fuel Cap O ring and Air Compressor (Yak Pilot)
7. 04:47 PM - Re: OSH arrivals (Barry Hancock)
8. 05:18 PM - Re: Fuel Cap O ring and Air Compressor (Scott Poehlmann)
9. 05:39 PM - Re: Fuel Cap O ring and Air Compressor (Sarah Tobin)
10. 08:35 PM - Air system problem.... (Tim Gagnon)
11. 08:42 PM - Re: Fuel Cap O ring and Air Compressor (Roger Kemp)
12. 08:48 PM - Re: Re: OSH arrivals (Roger Kemp)
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| Subject: | gill louver and oil cooler outlet shutter on CJ6A |
Well I didn't quite make it to OSH in Pappy's back seat. It just
didn't work out. Next year.
Now for a real question. Does anyone know both the throw and the
force exerted by the actuators for the gill louvers and the oil
cooler door for the CJ6A?
--
Brian Lloyd 3191 Western Drive
brian HYPHEN 1927 AT lloyd DOT com Cameron Park, CA 95682
+1.916.367.2131 (voice) +1.270.912.0788 (fax)
I fly because it releases my mind from the tyranny of petty things . . .
Antoine de Saint-Exupry
PGP key ID: 12095C52A32A1B6C
PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C
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| Subject: | Fuel Cap O ring and Air Compressor |
I have two issues and would like advice/help from anyone willing to provide it.
1. Need to find an O ring for my fuel cap that has rotted and now leaks fuel
whenever I'm vertical or pushing. Where would I find one?
2. My compressor has an auto shut off and is not refilling when I fly. It is
holding air fine, and starts fine on when I refill, but doesn't refill at all
while running. Snot valve is clear and no obvious problems on the lines external
to compressor. I believe the problem to be in the compressor itself. I
have heard that you have to fashion a special tool to get in there. Is this
true, if so advice please.
Smash
---------------------------------
Pinpoint customers who are looking for what you sell.
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| Subject: | Re: Fuel Cap O ring and Air Compressor |
On the compressor issue, I had the same problems and mine turned out to be a the
shear coupling. Dennis mentioned to check the check valve coming out of the
compressor. Mine was pretty dirty and was very difficult to move.
One way to check the compressor is to put a surgical glove over the inlet on the
top and turn to the prop. If it sucks it in, then more than likely the compressor
is ok. If not, then your problem is a bad compressor.
The gaskets can be had from Jill or Doug may even have them. While your at it,
get a couple extra and also make sure the one on the oil cap is ok.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=125107#125107
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| Subject: | Re: Fuel Cap O ring and Air Compressor |
Don't necessarily assume the compressor is bad if the glove does not get
sucked in. It could very well be the shear coupling. Unfortunately the
only way to find out if it is the shear coupling or compressor is to pull
the compressor from the engine. Be sure to clean the output check valve on
the compressor. A blocked check valve can cause enough back pressure to
cause the shear coupling to shear.
Dennis
----- Original Message -----
From: "Tim Gagnon" <NiftyYak50@fuse.net>
Sent: Saturday, July 21, 2007 3:08 PM
Subject: Yak-List: Re: Fuel Cap O ring and Air Compressor
>
> On the compressor issue, I had the same problems and mine turned out to be
> a the shear coupling. Dennis mentioned to check the check valve coming out
> of the compressor. Mine was pretty dirty and was very difficult to move.
>
> One way to check the compressor is to put a surgical glove over the inlet
> on the top and turn to the prop. If it sucks it in, then more than likely
> the compressor is ok. If not, then your problem is a bad compressor.
>
> The gaskets can be had from Jill or Doug may even have them. While your at
> it, get a couple extra and also make sure the one on the oil cap is ok.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=125107#125107
>
>
>
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| Subject: | Re: Fuel Cap O ring and Air Compressor |
D,
I failed to mention that here but mentioned it in a email to Smash. You are exactly
right and that was exactly the problem with mine. I bought a compressor as
a back and now have two just in case the prices keep going up! I also bought
a spare coupling.
Tim
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=125109#125109
Message 6
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| Subject: | Re: Fuel Cap O ring and Air Compressor |
Smash, more times than not, failure to get compressed air is not a compressor problem.
Of course it is the natural thing to jump on but be careful. You might
go through a lot of hard work and money if you just leap on the compressor
without running other tests first. You said: "My compressor has an auto shut
off" and is not refilling when I fly". Ok,. what do you mean EXACTLY by an "auto
shut off" ??? What you probably mean is that you have some type of reliever
valve. This can be something so simple as a remote method to open your snnot
valve, to more elaborate electrical valves that basically vent the compressor
output to free, or outside air. In other words, they do not compress anything
anymore. So can you describe this device please?
In many case, if you have a hard line leading from the compressor banjo fitting
to the snot valve, this can crack and your compressed air will just leak out
the crack.
You can also have a bad, or leaky banjo fitting on the bottom of the compressor
itself. This is VERY common. It is hard to troubleshoot this stuff without
some hand made tools and fittings, but here is a hint. Try to find some fittings
so that you can take the air line that runs over to the snot valve off...
at the snot valve. Now connect (anyway you can) a source of air to the line
you just took off. Blow air BACKWARDS through this line towards the compressor.
Listen for leaks. When you find them, there is your problem.
Be VERY suspicious of the banjo fitting on the bottom of the compressor.
Mark Bitterlich
N50YK
Sarah Tobin <aerobaticgirl@yahoo.com> wrote:
I have two issues and would like advice/help from anyone willing to provide
it.
1. Need to find an O ring for my fuel cap that has rotted and now leaks fuel
whenever I'm vertical or pushing. Where would I find one?
2. My compressor has an auto shut off and is not refilling when I fly. It is
holding air fine, and starts fine on when I refill, but doesn't refill at all
while running. Snot valve is clear and no obvious problems on the lines external
to compressor. I believe the problem to be in the compressor itself. I
have heard that you have to fashion a special tool to get in there. Is this
true, if so advice please.
Smash
---------------------------------
Pinpoint customers who are looking for what you sell.
Message 7
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| Subject: | Re: OSH arrivals |
Hal....thanks for the update. I'm delayed due to getting planes
delivered back to customers before I leave. Just completed the last
FCF....now just have to put the drop tanks on the -50 and head out.
Planning St. George, UT tonight....then MTW tomorrow afternoon. See
you there!
B
On Jul 21, 2007, at 3:17 PM, Hal Morley wrote:
> Saturday afternoon at Manitowoc.
>
> Troops,
>
> There are three of us here- John Finley in his IAR, myself and JOhn
> Cox my GIB.- Wonder where everyone else is?
>
> Pappy, would appreciate a call if you change plans.- Would also like
> to know what the plan is for the arrival on Sunday.
>
> There are a bunch of Cherokees here now,more due tomorrow.- They all
> leave tomorrow and not returning.
>
> We have a van and a car here.- Let me know if you need a ride.-
> Plaanning dinner about 8.
>
> Hal Morley- 503-704-6559.
>
>> From: cjpilot710@aol.com
>> To: yak-list@matronics.com, darrell@garyhouse.net, david@mcgirt.net,
>> RLang27641@aol.com, bwalker11@charter.net, lacloudchaser@yahoo.com,
>> cpayne@joimail.com, fougapilot@gmail.com, yakjock@msn.com,
>> TCalloway@hangar-d.com, tcalloway@datatechnique.com,
>> cpayne1@joimail.com, DaBear@devere.us,
>> bhancock@worldwidewarbirds.com, Duncan1574@ExecPc.com,
>> robwork@robinhill.com, cpayne@mc.net, johnwcox@pacificnw.com,
>> rob@robinhill.com, michaelclove@tds.net, rlanger2@comcast.net
>> Subject: OSH arrivals
>> Date: Sat, 14 Jul 2007 23:02:53 EDT
>>
>>
>> Troops,
>> -
>> Got a message from EAA WB pres Rick.
>> -
>> RPA can arrive on Sunday, in mass, at 1230.- That time is set for
>> us.- There will be some T-6/SNJ arriving with us.
>> -
>> Just how this will be done and how many NATA will also show up will
>> not be known until the night before.
>> -
>> One plan was for us to meet them at Dodge County, Hartford and sortie
>> together.- The other idea is do an phone brief with leads and do an
>> airborne roundup and proceed in together.
>> -
>> Any group larger than 5 aircraft will require special-clearance and
>> set times.- Smaller groups will do the WB arrival.
>> -
>> The rest of the NATA + T-28 group will show up on Monday for the WB
>> arrival-during the show.- RPA can do the same or those-who are
>> already there can get airborne out of OSH and join the arrival corp.
>> -
>> My personal plan is to arrive at MTW on Saturday the 20th.- Sortie
on
>> Sunday to OSH in mass.
>> -
>> Jim "Pappy" Goolsby
>> -
>> -
>>
>>
>>
>> Get a sneak peak of the all-new AOL.com.
>>
Message 8
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| Subject: | Re: Fuel Cap O ring and Air Compressor |
Hi Sarah,
For the O-rings, I'd start with calling Hubie Tolson (I have his number
around here somewhere if you don't). Failing that, I THINK that George
Coy has some. Worst case, WLAC in England has them at pound-wise prices...
Is there a cut-off valve for the compressor? Mine has a solenoid set-up
which dumps overboard unless I actuate a switch to charge the tank.
Otherwise I am not sure what you mean by an "auto-shut-off". The
compressor runs all the time the engine is running. It's just a matter
of where the air goes (into the bottle or overboard). Most 55's did NOT
come from the factory with the compressor, so you'll need to go and look
at exactly how yours is plumbed. I can send you a diagram of mine if you
wish, but unless your came into the US through Scott Erickson, it is
UNLIKELY that your is plumbed the same way...
Scott
Sarah Tobin wrote:
> I have two issues and would like advice/help from anyone willing to
> provide it.
>
> 1. Need to find an O ring for my fuel cap that has rotted and now
> leaks fuel whenever I'm vertical or pushing. Where would I find one?
>
> 2. My compressor has an auto shut off and is not refilling when I
> fly. It is holding air fine, and starts fine on when I refill, but
> doesn't refill at all while running. Snot valve is clear and no
> obvious problems on the lines external to compressor. I believe the
> problem to be in the compressor itself. I have heard that you have to
> fashion a special tool to get in there. Is this true, if so advice
> please.
>
> Smash
>
> ------------------------------------------------------------------------
> Pinpoint customers
> <http://us.rd.yahoo.com/evt=48250/*http://searchmarketing.yahoo.com/arp/sponsoredsearch_v9.php?o=US2226&cmp=Yahoo&ctv=AprNI&s=Y&s2=EM&b=50>who
> are looking for what you sell.
> *
>
>
> *
Message 9
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| Subject: | Re: Fuel Cap O ring and Air Compressor |
Yeah, sorry, it dumps overboard. Seems as if the problem is one of three things
1. The dump valve is stuck open
2. There is a leak in the line between the pump and the check valve
3. Shear shaft is done busted
Would you guys agree?
Scott Poehlmann <scott-p@texas.net> wrote:
Hi Sarah,
For the O-rings, I'd start with calling Hubie Tolson (I have his number
around here somewhere if you don't). Failing that, I THINK that George
Coy has some. Worst case, WLAC in England has them at pound-wise prices...
Is there a cut-off valve for the compressor? Mine has a solenoid set-up
which dumps overboard unless I actuate a switch to charge the tank.
Otherwise I am not sure what you mean by an "auto-shut-off". The
compressor runs all the time the engine is running. It's just a matter
of where the air goes (into the bottle or overboard). Most 55's did NOT
come from the factory with the compressor, so you'll need to go and look
at exactly how yours is plumbed. I can send you a diagram of mine if you
wish, but unless your came into the US through Scott Erickson, it is
UNLIKELY that your is plumbed the same way...
Scott
Sarah Tobin wrote:
> I have two issues and would like advice/help from anyone willing to
> provide it.
>
> 1. Need to find an O ring for my fuel cap that has rotted and now
> leaks fuel whenever I'm vertical or pushing. Where would I find one?
>
> 2. My compressor has an auto shut off and is not refilling when I
> fly. It is holding air fine, and starts fine on when I refill, but
> doesn't refill at all while running. Snot valve is clear and no
> obvious problems on the lines external to compressor. I believe the
> problem to be in the compressor itself. I have heard that you have to
> fashion a special tool to get in there. Is this true, if so advice
> please.
>
> Smash
>
> ------------------------------------------------------------------------
> Pinpoint customers
> who
> are looking for what you sell.
> *
>
>
> *
---------------------------------
Shape Yahoo! in your own image. Join our Network Research Panel today!
Message 10
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| Subject: | Air system problem.... |
I will try to be as specific as I can about the issue....
Yak-50....
A bit of history is in order. The primary side bottle failed and needed to be replaced.
No Yak-50 size bottle (6 liters) on the planet so I opted for a -52 bottle
(11 liters). Got said bottle and knew it was NOT going where the smaller
bottle came from. SO......built up some structure forward of the batteries and
mounted the bottle there. (Moved the batt's up too and built a cargo box where
the batts were)
Anyway...We did a retraction test at annual and did not notice any leaks at the
gear. No leaks elsewhere that we could find. So, a few weeks pass and the airplane
develops an air problem. Here is what I am doing and what the airplane IS
NOT doing.
Normal ops.
Prior to start:
* 50 atms PRIOR to opening the valve.
* Open the valve, the pressure drops about 30+ atms to around 20.
* Starts...slower due to lower pressure...but starts.
* Long Taxi.....pressure comes up slowly to about 30-35.
* Take off...gear nearly kills my pressure coming up. Drops back to about 20. (Today,
I had to put some negative on the gear to get it to lock up)
*Fly around a bit and the thing makes air like its on crack. Great pressure and
pop off valve works good.
* Gear down...and there goes about 30+ atms! (I now put the gear down a little
sooner to make sure there is plenty of press for brakes and in the event I need
to bring gear up for GA.)
Land.....Run the airplane up and let pressure build back up to about 50 atms, shut
off the main valve (which reveals a climb in guage pressure), and kill the
engine. Chocks in...off to the house.
A week or so later and I have about .5 less atms. Not a huge loss. But go to fly,
and it is back to what I listed above.
Here are a few observations:
1.) No leaking sound near the rams.
2.) No hissing from the gear handle. (A fine mist of tool oil comes out from servicing)
3.) Holds air well after a few days of sitting. Very little loss.
4.) Gear down..takes some time making air. (low RPM?)
5.) Gear up, makes silly amounts of air. (high RPM?)
Now today, I had a slow left main. Positive and Negative g's were needed to get
up/down lock. I am not sure if that is "lower" pressure issue OR a leak on that
side.
Is that very clear?
Thanks in advance! I would get a simpler airplane but I am addicted to this problem
child. I just cannot seem to kick the habit.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=125145#125145
Message 11
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| Subject: | Fuel Cap O ring and Air Compressor |
Smash,
Don't forgot the check valve along with the pump itself as you are
evaluating the stuck dump valve, the line leak and the sheared shear
coupling pin.
The pump and the shear coupling are the hardest to check.
Good luck,
Doc
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Sarah Tobin
Sent: Saturday, July 21, 2007 7:39 PM
Subject: Re: Yak-List: Fuel Cap O ring and Air Compressor
Yeah, sorry, it dumps overboard. Seems as if the problem is one of three
things
1. The dump valve is stuck open
2. There is a leak in the line between the pump and the check valve
3. Shear shaft is done busted
Would you guys agree?
Scott Poehlmann <scott-p@texas.net> wrote:
Hi Sarah,
For the O-rings, I'd start with calling Hubie Tolson (I have his number
around here somewhere if you don't). Failing that, I THINK that George
Coy has some. Worst case, WLAC in England has them at pound-wise prices...
Is there a cut-off valve for the compressor? Mine has a solenoid set-up
which dumps overboard unless I actuate a switch to charge the tank.
Otherwise I am not sure what you mean by an "auto-shut-off". The
compressor runs all the time the engine is running. It's just a matter
of where the air goes (into the bottle or overboard). Most 55's did NOT
come from the factory with the compressor, so you'll need to go and look
at exactly how yours is plumbed. I can send you a diagram of mine if you
wish, but unless your came into the US through Scott Erickson, it is
UNLIKELY that your is plumbed the same way...
Scott
Sarah Tobin wrote:
> I have two issues and would like advice/help from anyone willing to
> provide it.
>
> 1. Need to find an O ring for my fuel cap that has rotted and now
> leaks fuel whenever I'm vertical or pushing. Where would I find one?
>
> 2. My compressor has an auto shut off and is not refilling when I
> fly. It is holding air fine, and starts fine on when I refill, but
> doesn't refill
_____
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Message 12
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| Subject: | Re: OSH arrivals |
Bdog,
Drop tanks on the 50? When you get a chance, I would like the details of how
you plumbed it and where are you hanging the tanks. I'm assuming two since
you post was written as a plural of tank. Got any pictures?
Doc
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Barry Hancock
Sent: Saturday, July 21, 2007 6:47 PM
Subject: Yak-List: Re: OSH arrivals
Hal....thanks for the update. I'm delayed due to getting planes delivered
back to customers before I leave. Just completed the last FCF....now just
have to put the drop tanks on the -50 and head out. Planning St. George, UT
tonight....then MTW tomorrow afternoon. See you there!
B
On Jul 21, 2007, at 3:17 PM, Hal Morley wrote:
Saturday afternoon at Manitowoc.
Troops,
There are three of us here- John Finley in his IAR, myself and JOhn Cox my
GIB. Wonder where everyone else is?
Pappy, would appreciate a call if you change plans. Would also like to know
what the plan is for the arrival on Sunday.
There are a bunch of Cherokees here now,more due tomorrow. They all leave
tomorrow and not returning.
We have a van and a car here. Let me know if you need a ride. Plaanning
dinner about 8.
Hal Morley 503-704-6559.
From: cjpilot710@aol.com
RLang27641@aol.com, bwalker11@charter.net, lacloudchaser@yahoo.com,
cpayne@joimail.com, fougapilot@gmail.com, yakjock@msn.com,
TCalloway@hangar-d.com, tcalloway@datatechnique.com, cpayne1@joimail.com,
DaBear@devere.us, bhancock@worldwidewarbirds.com, Duncan1574@ExecPc.com,
robwork@robinhill.com, cpayne@mc.net, johnwcox@pacificnw.com,
rob@robinhill.com, michaelclove@tds.net, rlanger2@comcast.net
Subject: OSH arrivals
Troops,
Got a message from EAA WB pres Rick.
RPA can arrive on Sunday, in mass, at 1230. That time is set for us. There
will be some T-6/SNJ arriving with us.
Just how this will be done and how many NATA will also show up will not be
known until the night before.
One plan was for us to meet them at Dodge County, Hartford and sortie
together. The other idea is do an phone brief with leads and do an airborne
roundup and proceed in together.
Any group larger than 5 aircraft will require special clearance and set
times. Smaller groups will do the WB arrival.
The rest of the NATA + T-28 group will show up on Monday for the WB arrival
during the show. RPA can do the same or those who are already there can get
airborne out of OSH and join the arrival corp.
My personal plan is to arrive at MTW on Saturday the 20th. Sortie on Sunday
to OSH in mass.
Jim "Pappy" Goolsby
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