Today's Message Index:
----------------------
1. 09:04 AM - Re: Anyone know who this is? (Sarah Tobin)
2. 03:46 PM - Hmmmmmmmmm That ain't right. (cjpilot710@aol.com)
3. 06:43 PM - Re: Hmmmmmmmmm That ain't right. (Walter Lannon)
4. 07:45 PM - Re: Yak-52 Accident down under....non-fatal. (Roger Kemp)
5. 08:12 PM - Re: Anyone know who this is? (Roger Kemp)
6. 08:21 PM - Compressor Conundrum (Tim Gagnon)
7. 10:27 PM - Re: Hmmmmmmmmm That ain't right. (cjpilot710@aol.com)
Message 1
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| Subject: | Re: Anyone know who this is? |
Losin a waiver card is a whole lot better than the alternative.
cjpilot710@aol.com wrote: In a message dated 11/23/2006 1:34:50 P.M. Eastern
Standard Time, aerobaticgirl@yahoo.com writes:
Yea wryly I do believe I heard he lost his low altitude waiver card. They found
green grass stains on the prop tips (most likely found brown stains in his
underwear too) and if it weren't for a depression between the runways, he wouldn't
have cleared the ground at all.
Pappy
http://www.youtube.com/watch?v=C2PvcG4Vmyw
This guy was pancaking there are the end....had it been an Extra 300, it wouldn't
have climbed out of that.
__________________________________________________
Message 2
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| Subject: | Hmmmmmmmmm That ain't right. |
This evening I took my CJ up for one of my "Clear the soul" acro flight at
sunset. Just to spend thirty minutes with just me and the CJ having a love
feast with the western sky ablaze in coral gold.
:05 minutes into my little routines, I started noticing the old girl just
wasn't performing on her up lines and I started hearing a thump noise now and
than. Since I had left the canopy cover in the baggage compartment, I though
that it was since I would hear it as I would release back pressure on some of
the over the top maneuvers. Than on the last maneuver I heard a very
healthy 'clunk' (Hmmmmmmmmm that ain't right). I decided to stop right there
and
set myself for a landing on our airpark right under me. I looked down at my
system air pressure gage and she was reading 25 atoms. Hmmmmmmmm that ain't
right either. I was either losing though a leak or my compressor has crapped
out.
The "thump" and "clunk" were my landing gear. On my CJ there are NO up
locks (yes, it came that way) so that if I loose system pressure (below 20 atoms)
the gear starts to fall "automatically". My emergency gear extension
procedures are a little different than most CJ-6s. I simply put the gear down,
wait for them to fall, than open the emergency valve to lock them over center.
Yes - I have to keep my gear handle in the up position all the time and no -
it will not wear out anything. Been doing it that way for over 1,500 hours
and 11 years now.
What was happening here was, I was loosing pressure to the point when I
pulled any G's the gear would start to extend, and than when I released the back
pressure on the stick and dropped the G load, the gear would pop back up (
thump & clunk ) in the well.
So tomorrow afternoon I'll start to trouble shoot what is wrong. I hope its
not the compressor But since I didn't hear any air leaks on the ground, I
already have sneaky suspicion it may be. I may luck out. ( I can hear Doug
Sapp panting already) :-)
Stay tuned Oh fellow Aviators.
Jim "Pappy" Goolsby
Message 3
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| Subject: | Re: Hmmmmmmmmm That ain't right. |
Jim;
There are a number of early CJ's that had the uplocks removed in
service. Even with 40 Atms in the air system pulling (and releasing) 3
or 4 G's should have the gear up lights winking at you - long before you
get the thump and clunk. Assuming of course that the switches are
correctly adjusted.
Cheers;
Walt
----- Original Message -----
From: cjpilot710@aol.com
To: yak-list@matronics.com ; cpayne@joimail.com
Sent: Saturday, November 25, 2006 3:45 PM
Subject: Yak-List: Hmmmmmmmmm That ain't right.
This evening I took my CJ up for one of my "Clear the soul" acro
flight at sunset. Just to spend thirty minutes with just me and the CJ
having a love feast with the western sky ablaze in coral gold.
:05 minutes into my little routines, I started noticing the old girl
just wasn't performing on her up lines and I started hearing a thump
noise now and than. Since I had left the canopy cover in the baggage
compartment, I though that it was since I would hear it as I would
release back pressure on some of the over the top maneuvers. Than on
the last maneuver I heard a very healthy 'clunk' (Hmmmmmmmmm that ain't
right). I decided to stop right there and set myself for a landing on
our airpark right under me. I looked down at my system air pressure
gage and she was reading 25 atoms. Hmmmmmmmm that ain't right either.
I was either losing though a leak or my compressor has crapped out.
The "thump" and "clunk" were my landing gear. On my CJ there are NO
up locks (yes, it came that way) so that if I loose system pressure
(below 20 atoms) the gear starts to fall "automatically". My emergency
gear extension procedures are a little different than most CJ-6s. I
simply put the gear down, wait for them to fall, than open the emergency
valve to lock them over center. Yes - I have to keep my gear handle in
the up position all the time and no - it will not wear out anything.
Been doing it that way for over 1,500 hours and 11 years now.
What was happening here was, I was loosing pressure to the point when
I pulled any G's the gear would start to extend, and than when I
released the back pressure on the stick and dropped the G load, the gear
would pop back up ( thump & clunk ) in the well.
So tomorrow afternoon I'll start to trouble shoot what is wrong. I
hope its not the compressor But since I didn't hear any air leaks on the
ground, I already have sneaky suspicion it may be. I may luck out. ( I
can hear Doug Sapp panting already) :-)
Stay tuned Oh fellow Aviators.
Jim "Pappy" Goolsby
Message 4
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| Subject: | Yak-52 Accident down under....non-fatal. |
Yes and a prefectly good YAK ends it's career because of Pilot Error.
Doc
> [Original Message]
> From: Tim Gagnon <NiftyYak50@msn.com>
> To: <yak-list@matronics.com>
> Date: 11/24/2006 5:04:56 PM
> Subject: Yak-List: Yak-52 Accident down under....non-fatal.
>
>
> http://www.bordermail.com.au/news/bm/national/539446.html
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=76812#76812
>
>
Message 5
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| Subject: | Anyone know who this is? |
That is Jim Cook's YAK-9. He was not flying the plane at the time. He had feried
her up for the Air Show. I beleive he told me it was at Andrews AFB this past
summer. Yes the guy did have to clean his shorts afterward along with losing
his lowat card.
Doc
----- Original Message -----
From: Sarah Tobin
Sent: 11/23/2006 12:39:45 PM
Subject: Yak-List: Anyone know who this is?
http://www.youtube.com/watch?v=C2PvcG4Vmyw
This guy was pancaking there are the end....had it been an Extra 300, it wouldn't
have climbed out of that.
Message 6
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| Subject: | Compressor Conundrum |
So I am all proud of myself and get the compressor switched out with an overhauled
one. I run the airplane up and it "seems" the compressor is working...or maybe
exitement to be flying again got the best of me. I take her airborne and
as I cycle the gear, it comes up really slowly. I bunt the airplane and get two
up locks (Yak-50). I trouble shoot the problem and discover once again I am
not making air and my primary side is gone! (The compressor on the -50 charges
both sides) Time to test the emer gear down and land without incident...or brakes.
All is well with the airplane and me.
So.....here is what I know (or think I know);
-The overhauled compressor and shear coupling were both operational when they were
installed in the airplane.
-The check valve from the compressor to the line running to the snot valve was
clean and free moving.
-I cleaned out the snot valve before reinstalling.
- I am not making air indicated by the fact that there is no rise in air pressure
OR and air in the snot valve after a lengthy runup.
SO I ASK...WTF!
A few things I have tried:
I did the following while motoring the engine:
*Had someone keep their finger over the "output" end of the air line running from
the compressor to snot valve. Nothing noted.
* Took that line off and held finger over output on check valve attached to the
compressor. Nothing noted. (Now I am getting nervous.)
* Took the check valve off the compressor and kept finger over small orfice that
check valves screws into and finally get some air.
* Put small surgical glove over intake on compressor and found that indeed the
compressor collapsed the glove which means that the coupling is still working
and driving the piston in the compressor. (Big relief..hopefully)
* The line runnning from the compressor to the snot valve is clear. I used shop
air to confirm that.
So that leaves me with some serious question about what the problem could be.
1.) Is there a certain power setting that needs to be achieved before the check
valve "opens"?
2.) Is the check valve not working?
3.) Is there something inside the gearbox that is not "spinning" fast enough to
provide enough power to the compressor itself?
4.) Will .40 cal hollow points penetrate the crankcase on an M-14P?
I thought I narrowed the problem down but I am really confused on what it could
be.
I REALLY dont want to take the compressor back off. I would rather drink 100LL
and piss on a fire.
$100.00 to the first person who comes up with the right solution.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=76990#76990
Message 7
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| Subject: | Re: Hmmmmmmmmm That ain't right. |
In a message dated 11/25/2006 9:45:47 P.M. Eastern Standard Time,
wlannon@cablerocket.com writes:
You may be right. I'm too busy watching out side, I'm sure to miss seeing
that. Next time I'll bring my eyes for quick look.
Jim
Jim;
There are a number of early CJ's that had the uplocks removed in service.
Even with 40 Atms in the air system pulling (and releasing) 3 or 4 G's should
have the gear up lights winking at you - long before you get the thump and
clunk. Assuming of course that the switches are correctly adjusted.
Cheers;
Walt
----- Original Message -----
From: _cjpilot710@aol.com_ (mailto:cjpilot710@aol.com)
_cpayne@joimail.com_ (mailto:cpayne@joimail.com)
Sent: Saturday, November 25, 2006 3:45 PM
Subject: Yak-List: Hmmmmmmmmm That ain't right.
This evening I took my CJ up for one of my "Clear the soul" acro flight at
sunset. Just to spend thirty minutes with just me and the CJ having a love
feast with the western sky ablaze in coral gold.
:05 minutes into my little routines, I started noticing the old girl just
wasn't performing on her up lines and I started hearing a thump noise now and
than. Since I had left the canopy cover in the baggage compartment, I though
that it was since I would hear it as I would release back pressure on some of
the over the top maneuvers. Than on the last maneuver I heard a very
healthy 'clunk' (Hmmmmmmmmm that ain't right). I decided to stop right there
and
set myself for a landing on our airpark right under me. I looked down at my
system air pressure gage and she was reading 25 atoms. Hmmmmmmmm that ain't
right either. I was either losing though a leak or my compressor has crapped
out.
The "thump" and "clunk" were my landing gear. On my CJ there are NO up
locks (yes, it came that way) so that if I loose system pressure (below 20 atoms)
the gear starts to fall "automatically". My emergency gear extension
procedures are a little different than most CJ-6s. I simply put the gear down,
wait for them to fall, than open the emergency valve to lock them over center.
Yes - I have to keep my gear handle in the up position all the time and no -
it will not wear out anything. Been doing it that way for over 1,500 hours
and 11 years now.
What was happening here was, I was loosing pressure to the point when I
pulled any G's the gear would start to extend, and than when I released the back
pressure on the stick and dropped the G load, the gear would pop back up (
thump & clunk ) in the well.
So tomorrow afternoon I'll start to trouble shoot what is wrong. I hope its
not the compressor But since I didn't hear any air leaks on the ground, I
already have sneaky suspicion it may be. I may luck out. ( I can hear Doug
Sapp panting already) :-)
Stay tuned Oh fellow Aviators.
Jim "Pappy" Goolsby
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