Today's Message Index:
----------------------
1. 03:21 AM - Re: messy aerobatics (Gus Fraser)
2. 03:41 AM - Re: messy aerobatics (Brian Lloyd)
3. 05:05 AM - S&F (cjpilot710@aol.com)
4. 05:34 AM - Re: missing man (A. Dennis Savarese)
5. 07:11 AM - Re: Re: Yak 52 Close Call (Petri, David S. CDR NNSOC)
6. 07:58 AM - Re: Re: Yak 52 Close Call (A. Dennis Savarese)
7. 11:11 AM - Re: Re: Yak 52 Close Call (Doug)
8. 11:11 AM - Re: Firebomb.jpg (Doug)
9. 11:21 AM - Re: Re: Yak 52 Close Call (Brian Lloyd)
10. 12:29 PM - Re: Oil System One-way valve (Brian Lloyd)
11. 01:08 PM - YPA website (MFilucci@aol.com)
12. 05:17 PM - CLOSE CALL and M14P GOODIES! ! ! ! (Frank Haertlein)
Message 1
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| Subject: | messy aerobatics |
--> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
How much oil did you have in before you started ? If you have more that 10
(yak 52) then expect it to dump the excess via the breather tube. When I got
my first Yak in England Gennady Elfimov took one look at the plane and told
me that I would regret painting the bottom white. I soon found out what he
meant.
Hope this helps
Gus
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of Jon Boede
Subject: Yak-List: messy aerobatics
--> Yak-List message posted by: "Jon Boede" <jon@zoso.email.net>
When I landed yesterday there was quite an oily mess down the left side of
my airplane... it looked like perhaps half a cup of oil had been spilled
and smeared on the airplane.
We'd just gotten down from doing quite a number of hammerheads (well,
pseudo-hammerheads since I always kicked the tail over when I had 40-60
KIAS of airspeed left) and I'm wondering if that was the cause of the
mess.
I'd never done a series of them like this before.
I never lost oil pressure and things never got too hot, nor were there any
strange noises to be heard from the engine at any time.
Wishing he knew more,
Jon
Message 2
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| Subject: | Re: messy aerobatics |
--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
At 02:28 AM 1/6/2003, you wrote:
>--> Yak-List message posted by: "Jon Boede" <jon@zoso.email.net>
>
>When I landed yesterday there was quite an oily mess down the left side of
>my airplane... it looked like perhaps half a cup of oil had been spilled
>and smeared on the airplane.
If you pull negative at all you will get oil out the breather. It then
spreads all over the airplane. It is amazing how thinly a cup of oil will
spread. And then it gets into all the nooks and crannies so the engine and
cowl seep oil for the next 20 hours.
>We'd just gotten down from doing quite a number of hammerheads (well,
>pseudo-hammerheads since I always kicked the tail over when I had 40-60
>KIAS of airspeed left) and I'm wondering if that was the cause of the
>mess.
Probably. It depends on how well you keep your hammerhead (in a CJ6A you
have to do them that way) in the vertical plane. If you are well forward
with the stick to keep the nose from coming up you will be just a bit
negative and you will lose some oil.
>I'd never done a series of them like this before.
>
>I never lost oil pressure and things never got too hot, nor were there any
>strange noises to be heard from the engine at any time.
It takes about 5 seconds for oil pressure to go away once you go negative
and it comes back right away when you are positive again. You might not
even notice the momentary loss of oil pressure if you are zero or negative
for just slightly longer than 5 seconds.
Brian Lloyd 6501 Red Hook Plaza, Ste 201
brian@lloyd.com St. Thomas, VI 00802
+1.340.998.9447 +1.360.838.9669
Message 3
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--> Yak-List message posted by: cjpilot710@aol.com
For your infomation.
As of today, half of the rooms (7 of 15) at Howard Johnson's for the S&F are
booked.
If we fill up, I maybe able to set a side more if we do it early enough.
Howard Johnson at Winter Heaven : 863-294-7321
Jim Goolsby
cjpilot710@aol.com
386-467-3313 voice
386-467-3193 fax
386-503-9820cell
"They that can give up essential liberty to obtain a little safety,
deserve neither liberty nor safety"
Benjamin Franklin 1759
"With my shield, or on it"
Trojan Warriors BC
Message 4
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--> Yak-List message posted by: "A. Dennis Savarese" <adsavar@gte.net>
Yes Mike. I know Alex personally. He is buying Dave DeSimone's YAK 52. I
am copying him on this email so he can respond directly to you. I believe
he is on vacation at present and will be returning shortly. The email
address I have for Alex is:
alex_harwick@yahoo.com.
Dennis Savarese
----- Original Message -----
From: <MFilucci@aol.com>
Subject: Yak-List: missing man
> --> Yak-List message posted by: MFilucci@aol.com
>
> Does anyone out there in Yak Land know Alex Harwick? My emails to him at
> aharwick@earthlink.net keep bouncing back. Please have him call me at
> 703-867-8401 or pass on a number where I can reach him.
>
> Thanks,
>
> Mike Filucci
>
>
Message 5
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| Subject: | Re: Yak 52 Close Call |
--> Yak-List message posted by: "Petri, David S. CDR NNSOC" <David.Petri@ARSPACE.ARMY.MIL>
I had this exact problem with my prop control. Found that the aft cockpit
guide tube had been bent close to the end and would not allow the "rod"
portion of the cable to pass. If your throttle travel is more restricted
moving to idle, that's what I'd check, Frank. Of course you'll have to
check both forward and aft cockpit guide tubes.
Cheers,
Dave
-----Original Message-----
From: Gus Fraser [mailto:fraseg@comcast.net]
Subject: RE: Yak-List: Re: Yak 52 Close Call
--> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
It can happen that the linkage between the throttle and the carb can become
stuck. This happens when the securing fittings between the throttle and carb
allow the guide tube to flex the link can get caught up inside the tube. To
check this remove the panels between the seat and the left hand console move
the throttle. If there is roughness or you see the tube flex then the guide
pipe may be bent. Hope this helps
Gus
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com]On Behalf Of Frank Haertlein
Subject: Yak-List: Re: Yak 52 Close Call
--> Yak-List message posted by: "Frank Haertlein"
<yak52driver@earthlink.net>
Speaking of close calls..................
I was making an ordinary landing at WJF and after touch down noticed my
RPM would not come all the way down. There was enough power being
produced that it would have made stopping difficult. I applied full
power and went around the pattern again. The next landing was perfectly
normal.....I was able to get RPM down enough to make a normal stop.
I looked at the throttle cable and there is no problem with it. I'm
perplexed as to what may have cause it. Anyone got any ideas?
Frank
N911OM
Message 6
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| Subject: | Re: Yak 52 Close Call |
--> Yak-List message posted by: "A. Dennis Savarese" <adsavar@gte.net>
Also, sometimes the clamps that hold the guide tubes loosen up. This will
cause the same symptom.
Dennis Savarese
----- Original Message -----
From: "Petri, David S. CDR NNSOC" <David.Petri@arspace.army.mil>
Subject: RE: Yak-List: Re: Yak 52 Close Call
> --> Yak-List message posted by: "Petri, David S. CDR NNSOC"
<David.Petri@ARSPACE.ARMY.MIL>
>
> I had this exact problem with my prop control. Found that the aft cockpit
> guide tube had been bent close to the end and would not allow the "rod"
> portion of the cable to pass. If your throttle travel is more restricted
> moving to idle, that's what I'd check, Frank. Of course you'll have to
> check both forward and aft cockpit guide tubes.
> Cheers,
> Dave
>
> -----Original Message-----
> From: Gus Fraser [mailto:fraseg@comcast.net]
> To: yak-list@matronics.com
> Subject: RE: Yak-List: Re: Yak 52 Close Call
>
>
> --> Yak-List message posted by: Gus Fraser <fraseg@comcast.net>
>
> It can happen that the linkage between the throttle and the carb can
become
> stuck. This happens when the securing fittings between the throttle and
carb
> allow the guide tube to flex the link can get caught up inside the tube.
To
> check this remove the panels between the seat and the left hand console
move
> the throttle. If there is roughness or you see the tube flex then the
guide
> pipe may be bent. Hope this helps
>
> Gus
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-server@matronics.com]On Behalf Of Frank Haertlein
> To: yak-list@matronics.com
> Subject: Yak-List: Re: Yak 52 Close Call
>
>
> --> Yak-List message posted by: "Frank Haertlein"
> <yak52driver@earthlink.net>
>
> Speaking of close calls..................
>
> I was making an ordinary landing at WJF and after touch down noticed my
> RPM would not come all the way down. There was enough power being
> produced that it would have made stopping difficult. I applied full
> power and went around the pattern again. The next landing was perfectly
> normal.....I was able to get RPM down enough to make a normal stop.
>
> I looked at the throttle cable and there is no problem with it. I'm
> perplexed as to what may have cause it. Anyone got any ideas?
> Frank
> N911OM
>
>
Message 7
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| Subject: | Re: Yak 52 Close Call |
--> Yak-List message posted by: "Doug" <rvfltd@televar.com>
Frank,
If there is spring or movement in the throttle control linkage it will
sometimes result in a less than full travel like symptom. Check that the
throttle linkage does not move up or down, back or forth anywhere in its
length, it must be 100% immobile over its entire length. When the throttle
lever is moved the entire length of linkage should not move a hair. Any
movement will result in lost travel or a spongy feel in the cockpit.
Just another comment for your consideration, but my money is betting that
you have already thought of it.---
Going around with a questionable engine situation may not have been your
best choice. Even if you would of had to waste a set of tires or ended up
in the rough, being on the ground, in my mind would have been the correct
option, and options are what keeps us all alive. Had the problem been of a
more serious nature you may of found yourself wishing for the option of a
very short roll verses what is looming ever bigger in your windshield had
the engine packed up.
My comments are not meant to be a criticism, I sincerely hope that you do
not take it that way. I have had 2 engines, one round and one flat come
apart in the air. The round engine did it in the pattern, shooting touch
and go's, luckily it had the good taste to do it mid field on the down wind
leg. It started to buck and snort, then ran smoothly, then about 30 seconds
later, promptly ate its self. Had it happened on takeoff I am sure I would
have thought that it was just loading up a bit, and pressed on for the next
touch and go. Some sage once said that the 2 most worthless things in the
world are altitude above you and gas back at the airport. I don't think he
has ever been cooking down a short wet runway at the speed of heat, with a
dead engine and a windshield full of oil!! If so I am sure he would of
added "runway behind you" to his list.
Let me know what you discover, but my money is on some type of linkage
problem.
Always yakin,
Doug Sapp
----- Original Message -----
From: "Frank Haertlein" <yak52driver@earthlink.net>
Subject: Yak-List: Re: Yak 52 Close Call
> --> Yak-List message posted by: "Frank Haertlein"
<yak52driver@earthlink.net>
>
> Speaking of close calls..................
>
> I was making an ordinary landing at WJF and after touch down noticed my
> RPM would not come all the way down. There was enough power being
> produced that it would have made stopping difficult. I applied full
> power and went around the pattern again. The next landing was perfectly
> normal.....I was able to get RPM down enough to make a normal stop.
>
> I looked at the throttle cable and there is no problem with it. I'm
> perplexed as to what may have cause it. Anyone got any ideas?
> Frank
> N911OM
>
>
Message 8
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| Subject: | Re: Firebomb.jpg |
--> Yak-List message posted by: "Doug" <rvfltd@televar.com>
I dunno Al, looks real enough to me....I mean look close, you have nearly a
half dozen forest service employees doing absolutely nothing, now that's
realism!
Doug Sapp
----- Original Message -----
From: "dabear" <dabear@damned.org>
Subject: Re: Yak-List: Firebomb.jpg
> --> Yak-List message posted by: "dabear" <dabear@damned.org>
>
> Except that the picture is fake. Look at the shadows on the
> airplane and then on the people.
>
> Regards,
>
> Al DeVere
>
> ----- Original Message -----
> From: "Brian Lloyd" <brian@lloyd.com>
> To: <yak-list@matronics.com>
> Subject: Re: Yak-List: Firebomb.jpg
>
>
> > --> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
> >
> > At 10:43 PM 1/4/2003, you wrote:
> > >--> Yak-List message posted by: "Frank Haertlein"
> <yak52driver@earthlink.net>
> > >
> > >Thought you guys might get a kick out of this picture..
> > >http://home.earthlink.net/~yak52driver/FIREBOMB.JPG
> >
> > Now that is close.
> >
> > Brian Lloyd 6501 Red Hook Plaza, Ste 201
> > brian@lloyd.com St. Thomas, VI 00802
> > +1.340.998.9447 +1.360.838.9669
> >
> >
> ====
> >
> ====
> >
> ====
> >
> ====
> >
> >
>
>
Message 9
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| Subject: | Re: Yak 52 Close Call |
--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
At 10:07 PM 1/5/2003, you wrote:
>--> Yak-List message posted by: "Doug" <rvfltd@televar.com>
>
>touch and go. Some sage once said that the 2 most worthless things in the
>world are altitude above you and gas back at the airport.
Don't forget the runway behind you.
>I don't think he
>has ever been cooking down a short wet runway at the speed of heat, with a
>dead engine and a windshield full of oil!! If so I am sure he would of
>added "runway behind you" to his list.
It was already part of the list. I make my students learn and recite it as
part of their pre-solo training.
Brian Lloyd 6501 Red Hook Plaza, Ste 201
brian@lloyd.com St. Thomas, VI 00802
+1.340.998.9447 +1.360.838.9669
Message 10
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| Subject: | Re: Oil System One-way valve |
--> Yak-List message posted by: Brian Lloyd <brian@lloyd.com>
Jay McIntyre wrote:
> Hi all... is anyone out there able to tell me where abouts the one-way valve
> in the stock CJ oil system is located. One of our machines here has suddenly
> developed a major haemorrhage via the exhaust stack and is reapidly draining
> the oil tank. I imagine that it is either located in the firewall gauze
> filter housing or the inlet to the oil pump. Thanks in advance
It is inside the oil pump. Go to:
http://cj6.com/cj6_docs/Vol%204%20HS-6A%20Engine/16%20Engine%20Accessories.tif
Pages 33 and 34 have the exploded diagram of the oil pump and the parts list
respectively. You will need a viewer for multi-page TIFF files to see the
separate pages otherwise you will just get the title page.
--
Brian Lloyd 6501 Red Hook Plaza, Suite 201
brian@lloyd.com St. Thomas, VI 00802
+1.340.998.9447 - voice +1.360.838.9669 - fax
Message 11
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--> Yak-List message posted by: MFilucci@aol.com
Fellow Yakers,
The Yak Pilots Association's website will be down for maintenance for a short
time within the next day or so.
Best wishes to all for the new year.
Mike Filucci
Message 12
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| Subject: | CLOSE CALL and M14P GOODIES! ! ! ! |
--> Yak-List message posted by: "Frank Haertlein" <yak52driver@earthlink.net>
Found an excellent website that has lots of goodies for the M14P. You
guys might wanna check it out at
http://www.jimkimballenterprises.com/m14pkits.htm
As to my incident at FOX Field, I appreciate the feedback. Makes you
think and I like contructive critisizm! Trouble is I didn't have the
benefit of 20-20 hindsight. At the time, a go around seemed the best
proposition as I had plenty of runway and was able to produce full
power. I figured it had something to do with the linkage so I wasn't too
worried about it. I guess that's a perspective developed from working on
the plane's control linkages........which I will eventually replace with
standard cables. When time permits I'm going to take a much closer look
at the existing throttle and prop linkages. I suspect it may have
something to do with an additional "clamp" or "brace" I added between
the throttle arm and the firewall. I did this to keep from happening
what happened to a fellow yakker some time back when his linkage housing
broke at the firewall just under the clamp. He could not bring power
back beyond about 1/2 power if memory serves.
Also, the day this happened there were many clouds in the sky and it had
rained earlier that morning (not usual around here). But then I thought,
as with some others here, that a pressure carb wasn't subject to icing.
Is it or isn't it? I did come down very fast from up high.
Frank
N911OM
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