Today's Message Index:
----------------------
1. 12:36 AM - Re: Carb Diaphragm for HS-6A (Richard Goode)
2. 12:59 AM - Re: Carb Diaphragm for HS-6A (Richard Romaine)
3. 01:17 AM - Re: Carb Diaphragm for HS-6A (jay-dub)
4. 07:30 AM - Noise cancelling headsets , do you wear them in a CJ or Yak? (motoadve)
5. 07:49 AM - Re: Noise cancelling headsets , do you wear them in a CJ or Yak? (Warren Hill)
6. 07:58 AM - Re: Noise cancelling headsets , do you wear them in a CJ or Yak? (CarterM)
7. 07:59 AM - Re: Noise cancelling headsets , do you wear them in a CJ or Yak? (motoadve)
8. 08:17 AM - Re: Noise cancelling headsets , do you wear them in a CJ or Yak? (Greg Wrobel)
9. 09:24 AM - Re: [Non-DoD Source] Re: Carb Diaphragm for HS-6A (Bitterlich, Mark G CIV NAVAIR, WD)
10. 09:51 AM - Re: [Non-DoD Source] Re: Carb Diaphragm for HS-6A (Hank Gibson)
11. 10:02 AM - Re: Re: Noise cancelling headsets , do you wear them in a CJ or Yak? (Mark Pennington)
12. 10:16 AM - Re: Re: Noise cancelling headsets , do you wear them in a CJ or Yak? (Mark Pennington)
13. 11:35 AM - Re: Carb Diaphragm for HS-6A (Walter Lannon)
14. 01:24 PM - [Non-DoD Source] Re: Carb Diaphragm for HS-6A (jay-dub)
15. 03:38 PM - Re: Re: Noise cancelling headsets , do you wear them in a CJ or Yak? (Justin Drafts)
Message 1
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| Subject: | Carb Diaphragm for HS-6A |
I agree with Mark. But if you have a diaphragm/membrane failure, then after
the engine has been shut down, leave the fuel on and the throttle slightly
open, and you will almost certainly get fuel dripping down through the
carburettor. If none comes out, then I would suspect a coil failure.
I would also make the point that, very specifically, these diaphragms (and
there are two in each carburettor) should be replaced at a maximum of every
six years.
Richard
RICHARD GOODE AEROBATICS
Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
e-mail: richard.goode@russianaeros.com
www.russianaeros.com
WORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES
In partnership with Aerometal Kft, Hungary.
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Bitterlich, Mark G
CIV NAVAIR, WD
Sent: 21 February 2019 20:23
Subject: Re: Yak-List: Carb Diaphragm for HS-6A
--> <mark.bitterlich@navy.mil>
May I ask why you think you need a carb diaphragm ?? The reason I ask is
simply because when one of them tears, or fails, it does not fix itself and
then you fly home.
If all of a sudden you start running very rich , etc., etc., yes. Or if the
engine stops running... as in it totally stops running .... yes, probably.
But if it stops in flight for a few moments and then starts running again...
or something like that, it could be electrical as in mag coils. That can
often be very difficult to define.
You probably know all this already, so ... sorry.
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com
<owner-yak-list-server@matronics.com> On Behalf Of Anthony Savarese
Sent: Thursday, February 21, 2019 1:00 PM
Subject: [Non-DoD Source] Re: Yak-List: Carb Diaphragm for HS-6A
--> <dsavarese0812@bellsouth.net>
They are definitely NOT interchangeable. Tried it many, many years ago when
I was trying to adapt the manual mixture control from the Huosai carburetor
to the M14 carburetor.
Dennis
Sent from my iPhone
> On Feb 21, 2019, at 11:18 AM, jay-dub <flyjnw@gmail.com> wrote:
>
>
> Having had a very quiet moment while airborne the other day, it is likely
we need a new carb diaphragm.
>
> Our maintenance organisation has a diaphragm for the AK-14P carb. We think
we need a QHQ-14A for the Huosai, which I will have to acquire.
>
> Are they by any chance interchangeable before I email Doug S?
>
> Thanks.
>
> --------
> CJ and Yak-52 owner
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=487724#487724
>
>
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| Subject: | Re: Carb Diaphragm for HS-6A |
Not sure if it works for all symptoms described, but fuel odor in cockpit could
be leaking primer due to loose knurled nut on primer plunger or worn/cut plunger
o-ring under knurled nut...also causing lean issues. Have you seen, smelled
any fuel from top of plunger during priming?
Bonus is fixes dont come much cheaper or easier.
Rich
Sent from my iPhone
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| Subject: | Re: Carb Diaphragm for HS-6A |
Always happy with a cheap fix. No evidence of that at all but were about to do
the annual while its grounded so well give it a good look over.
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=487736#487736
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| Subject: | Noise cancelling headsets , do you wear them in a CJ or Yak? |
I tried the Lightspeeds, Zulu 3 , and then the Bose A 20s.
If I turn on the ANR is too loud and noisy, I can barely hear anything above the
noise, only way to be able to hear is with ANR turned off.
Anyone else experienced this?
--------
www.Backcountry182.com
Cessna 182 P
CJ -6
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=487737#487737
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| Subject: | Re: Noise cancelling headsets , do you wear them in a CJ or |
Yak?
The ANR feature of the Bose A20 works as well, or even better than the custom molded
military earpieces I used to use with a standard ANR system. The Bose A20
installed into the Lift AV-1 KOR helmet is an amazing combination. Have only
heard praise from Bose A20 users who fly the CJ and/or the Yak.
Warren Hill
N464TW
Mesa, AZ
> On Feb 22, 2019, at 8:29 AM, motoadve <motoadve@racsa.co.cr> wrote:
>
>
> I tried the Lightspeeds, Zulu 3 , and then the Bose A 20s.
> If I turn on the ANR is too loud and noisy, I can barely hear anything above
the noise, only way to be able to hear is with ANR turned off.
>
> Anyone else experienced this?
>
> --------
> www.Backcountry182.com
> Cessna 182 P
> CJ -6
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=487737#487737
>
>
>
>
>
>
>
>
>
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| Subject: | Re: Noise cancelling headsets , do you wear them in a CJ or |
Yak?
I use the A20s in my CJ. Never had a problem hearing, but they go through batteries
like there is no tomorrow.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=487740#487740
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| Subject: | Re: Noise cancelling headsets , do you wear them in a CJ or |
Yak?
Maybe my audio panel is the issue.
--------
www.Backcountry182.com
Cessna 182 P
CJ -6
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=487741#487741
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| Subject: | Re: Noise cancelling headsets , do you wear them in a CJ or |
Yak?
Myself, I use Clarity Alofts. Been using them for 10 years. They are not
noise cancelling but weigh 2 oz, foam ear buds that conform to your ear
canals and don't need batteries. I put them on and put my helmet over them
as the frame assembly fits behind your neck. Check them out if your going
to Sun n fun or Oshkosh. They may even have a 30 day try for free but not
sure. My wife loves her. Doesn't mess up her hair and no head clamp pain.
Greg "Clouddog" Wrobel
On Fri, Feb 22, 2019, 09:37 motoadve <motoadve@racsa.co.cr> wrote:
>
> I tried the Lightspeeds, Zulu 3 , and then the Bose A 20s.
> If I turn on the ANR is too loud and noisy, I can barely hear anything
> above the noise, only way to be able to hear is with ANR turned off.
>
> Anyone else experienced this?
>
> --------
> www.Backcountry182.com
> Cessna 182 P
> CJ -6
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=487737#487737
>
>
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| Subject: | Re: Carb Diaphragm for HS-6A |
I am not a CJ expert ... in fact far from it .... but the smell of fuel smell in
the cockpit, along with your other problems makes me less focused on a mag coil
problem, which I was actually thinking about, (your read my mind Richard)
and it still could be. But to have the engine totally quit for more than a second
or two makes me consider fuel. But I would not be thinking carb diaphragms
right off the git-go, instead I would be considering fuel vents. Before ripping
the carb apart, I would take a very hard look , including some testing,
of the fuel vent system, which again.... I know nothing about on a CJ.
Just guessing.
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com>
On Behalf Of jay-dub
Sent: Thursday, February 21, 2019 3:35 PM
Subject: [Non-DoD Source] Yak-List: Re: Carb Diaphragm for HS-6A
Hi Mark,
Our thoughts are as follows. I was aerobatting and came off a loop to a strong
smell of fuel in the cockpit. There were no engine issues at this stage. It cleared
so I thought I'd carry on. The same occurred again and the engine missed
but recovered so I took the hint and went home. I pulled the power back to 68/2000
and it missed twice more on the way home so I left the levers alone as it
kept recovering. I recovered to the airfield from a forced landing pattern and
the engine quit during the roll out as the airflow was seemingly driving the
prop during the descent, so I effectively deadsticked it in. It glides much
better than a -52!! Our thought is that it rich-cut as I pulled the throttle back
for the descent.
I've had a mag failure in a Yak-52 in the past which gave very similar symptoms
other than there was no smell of fuel and the engine kept going after landing.
Does that sound logical? In fairness, it will be handy to keep a diaphragm in stock
anyway so I don't mind picking one up.
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=487728#487728
Message 10
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| Subject: | Re: Carb Diaphragm for HS-6A |
Hi all-
I would agree with Mark on this; if you have the long range tanks with the modified
vent system fuel can migrate into the vent lines and cause flow issues;
especially after acro. Try blowing air (with fuel caps off of course) into the
belly ram air in tube on port side and ensure you can feel air at each bladder/tank.
And you can control feed from each tank, if you have that ability.
Need two people. Fuel smell in cockpit means some fuel may be in your fuel vent
loop next to your left elbow. It can still get in there even with a check
valve...dont ask me how. Not saying it couldnt be a carb issue but I would start
here.
Good luck- Hoot (CJ owner)
Sent from my iPhone
> On Feb 22, 2019, at 12:24 PM, Bitterlich, Mark G CIV NAVAIR, WD <mark.bitterlich@navy.mil>
wrote:
>
>
> I am not a CJ expert ... in fact far from it .... but the smell of fuel smell
in the cockpit, along with your other problems makes me less focused on a mag
coil problem, which I was actually thinking about, (your read my mind Richard)
and it still could be. But to have the engine totally quit for more than a
second or two makes me consider fuel. But I would not be thinking carb diaphragms
right off the git-go, instead I would be considering fuel vents. Before
ripping the carb apart, I would take a very hard look , including some testing,
of the fuel vent system, which again.... I know nothing about on a CJ.
>
> Just guessing.
>
> Mark
>
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com>
On Behalf Of jay-dub
> Sent: Thursday, February 21, 2019 3:35 PM
> To: yak-list@matronics.com
> Subject: [Non-DoD Source] Yak-List: Re: Carb Diaphragm for HS-6A
>
>
> Hi Mark,
>
> Our thoughts are as follows. I was aerobatting and came off a loop to a strong
smell of fuel in the cockpit. There were no engine issues at this stage. It
cleared so I thought I'd carry on. The same occurred again and the engine missed
but recovered so I took the hint and went home. I pulled the power back to
68/2000 and it missed twice more on the way home so I left the levers alone as
it kept recovering. I recovered to the airfield from a forced landing pattern
and the engine quit during the roll out as the airflow was seemingly driving
the prop during the descent, so I effectively deadsticked it in. It glides much
better than a -52!! Our thought is that it rich-cut as I pulled the throttle
back for the descent.
>
> I've had a mag failure in a Yak-52 in the past which gave very similar symptoms
other than there was no smell of fuel and the engine kept going after landing.
>
> Does that sound logical? In fairness, it will be handy to keep a diaphragm in
stock anyway so I don't mind picking one up.
>
> --------
> CJ and Yak-52 owner
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=487728#487728
>
>
>
>
>
>
>
>
>
>
>
>
>
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| Subject: | Re: Noise cancelling headsets , do you wear them in a CJ |
or Yak?
I would contact the folks you purchased the plane from and see what they
used etc.
I use A20s. Love them. I had a small issue before I switched to mono
from stereo.
Good luck
Mark
On Fri, Feb 22, 2019 at 11:06 AM motoadve <motoadve@racsa.co.cr> wrote:
>
> Maybe my audio panel is the issue.
>
> --------
> www.Backcountry182.com
> Cessna 182 P
> CJ -6
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=487741#487741
>
>
Message 12
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| Subject: | Re: Noise cancelling headsets , do you wear them in a CJ |
or Yak?
I would contact the folks you purchased the plane from and see what they
used etc.
I use A20s. Love them. I had a small issue before I switched to mono
from stereo.
Good luck
Mark
On Fri, Feb 22, 2019 at 11:06 AM motoadve <motoadve@racsa.co.cr> wrote:
>
> Maybe my audio panel is the issue.
>
> --------
> www.Backcountry182.com
> Cessna 182 P
> CJ -6
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=487741#487741
>
>
Message 13
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| Subject: | Re: Carb Diaphragm for HS-6A |
Hi Richard;
Is there a Russian, or other, AWD specifying a life limit for the diaphragm?
Where is the second diaphragm located?
Thanks;
Walt
-----Original Message-----
From: Richard Goode
Sent: Friday, February 22, 2019 12:35 AM
Subject: RE: Yak-List: Carb Diaphragm for HS-6A
<richard.goode@russianaeros.com>
I agree with Mark. But if you have a diaphragm/membrane failure, then after
the engine has been shut down, leave the fuel on and the throttle slightly
open, and you will almost certainly get fuel dripping down through the
carburettor. If none comes out, then I would suspect a coil failure.
I would also make the point that, very specifically, these diaphragms (and
there are two in each carburettor) should be replaced at a maximum of every
six years.
Richard
RICHARD GOODE AEROBATICS
Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
e-mail: richard.goode@russianaeros.com
www.russianaeros.com
WORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES
In partnership with Aerometal Kft, Hungary.
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Bitterlich, Mark G
CIV NAVAIR, WD
Sent: 21 February 2019 20:23
Subject: Re: Yak-List: Carb Diaphragm for HS-6A
--> <mark.bitterlich@navy.mil>
May I ask why you think you need a carb diaphragm ?? The reason I ask is
simply because when one of them tears, or fails, it does not fix itself and
then you fly home.
If all of a sudden you start running very rich , etc., etc., yes. Or if the
engine stops running... as in it totally stops running .... yes, probably.
But if it stops in flight for a few moments and then starts running again...
or something like that, it could be electrical as in mag coils. That can
often be very difficult to define.
You probably know all this already, so ... sorry.
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com
<owner-yak-list-server@matronics.com> On Behalf Of Anthony Savarese
Sent: Thursday, February 21, 2019 1:00 PM
Subject: [Non-DoD Source] Re: Yak-List: Carb Diaphragm for HS-6A
--> <dsavarese0812@bellsouth.net>
They are definitely NOT interchangeable. Tried it many, many years ago when
I was trying to adapt the manual mixture control from the Huosai carburetor
to the M14 carburetor.
Dennis
Sent from my iPhone
> On Feb 21, 2019, at 11:18 AM, jay-dub <flyjnw@gmail.com> wrote:
>
>
> Having had a very quiet moment while airborne the other day, it is likely
we need a new carb diaphragm.
>
> Our maintenance organisation has a diaphragm for the AK-14P carb. We think
we need a QHQ-14A for the Huosai, which I will have to acquire.
>
> Are they by any chance interchangeable before I email Doug S?
>
> Thanks.
>
> --------
> CJ and Yak-52 owner
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=487724#487724
>
>
---
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Message 14
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| Subject: | Re: [Non-DoD Source] Re: Carb Diaphragm for HS-6A |
Thanks. It has standard tanks. In fact, its pretty much a standard aircraft apart
from a B&C alternator.
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=487749#487749
Message 15
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| Subject: | Re: Noise cancelling headsets , do you wear them in a CJ |
or Yak?
My 2 cents worth: I personally use my 20+ yr old David Clarks in my CJ6.
Friends who ride in the back with their Bose, etc w/ noise cancelling tell
me they develop an unpleasant throbbing.
While I use Bose & Lightspeed headsets for work (KingAirs), my DC's are
ideal for the radial monsters.
Again, my 2 cents worth-
Justin Drafts
N280NC
On Fri, Feb 22, 2019 at 8:36 PM motoadve <motoadve@racsa.co.cr> wrote:
>
> Maybe my audio panel is the issue.
>
> --------
> www.Backcountry182.com
> Cessna 182 P
> CJ -6
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=487741#487741
>
>
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