Today's Message Index:
----------------------
1. 06:34 AM - Re: seat pack softie repack (keithmckinley)
2. 12:02 PM - Re: Operational Manual for M14-P engine on CJ6 (keithmckinley)
3. 12:03 PM - Re: M-14P carb heat (keithmckinley)
4. 12:09 PM - Re: Housai 285 hp oil leak (keithmckinley)
5. 12:40 PM - Fw: Fly over request from Texas (Byron Fox)
6. 12:53 PM - Re: Re: M-14P carb heat (Warren Hill)
7. 02:21 PM - Re: Re: Housai 285 hp oil leak (jblake207@comcast.net)
8. 03:10 PM - Re: Re: Housai 285 hp oil leak (Roger Kemp)
9. 06:45 PM - Governor/RPM Issue (Joe Enzminger)
10. 08:37 PM - Re: Governor/RPM Issue (Walter Lannon)
Message 1
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| Subject: | Re: seat pack softie repack |
thanks guys, used sky dive miami....
Wiz
--------
Keith McKinley
700HS
X26 Sebastian, FL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=424542#424542
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| Subject: | Re: Operational Manual for M14-P engine on CJ6 |
That looks really nice, but I wonder how that effects manifold pressure if the
heat is full open. Does it restrict the airflow? 2" tubing seems reasonable, just
curious.
I removed the elephant ears from my CJ and put a filter similar to the bracket
type over my rear airbox opening. Just the heat in the engine cowling area raises
the carb air significantly. I'd much prefer something like you did.
--------
Keith McKinley
700HS
X26 Sebastian, FL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=424558#424558
Message 3
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| Subject: | Re: M-14P carb heat |
That looks really nice, but I wonder how that effects manifold pressure if the
heat is full open. Does it restrict the airflow? 2" tubing seems reasonable, just
curious.
I removed the elephant ears from my CJ and put a filter similar to the bracket
type over my rear airbox opening. Just the heat in the engine cowling area raises
the carb air significantly. I'd much prefer something like you did.
--------
Keith McKinley
700HS
X26 Sebastian, FL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=424559#424559
Message 4
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| Subject: | Re: Housai 285 hp oil leak |
Pete makes a good point.
It's tough to chase those leaks down. I had leak that drove me nuts and turned
out to be from a pinched o-ring on a rocker cover. It was very hard to see.
--------
Keith McKinley
700HS
X26 Sebastian, FL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=424560#424560
Message 5
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| Subject: | Fwd: Fly over request from Texas |
I received a call this morning from Robby Blacker, Colonel Robert M.
Blacker's (USAF Ret) son, requesting a Missing Man flyover at Col. Backer's
memorial service this coming Saturday in Lubbock, TX. Hopefully, four of
you are close enough to put up a formation. All the necessary information
is in Robby's email below, and his phone number is 469-233-9448. Thanks,
Blitz
---------- Forwarded message ----------
From: Robby Blacker <robbyblacker@gmail.com>
Subject: Fly over request from Texas
Cc: John Blacker <JBlacker@hartgaugler.com>, anj.summers@gmail.com
Here is the obituary for my Dad. I figured this would explain it as good as
anything.
The Memorial service will be at 2:00 pm CST on Saturday June 14th. They are
going to be doing the flag ceremony and the guns at the end. The guns will
be in the parking lot around 3:00pm I think.
Combest funeral home will be in charge of the service and the contact there
is Deana. I am available anytime if you need more info. Thank you so much
for trying to get this for my Dad. He was truly my Hero.
--
Robby Blacker
Metroplex POS
972-632-6008
--
... Blitz
Byron M. Fox
80 Milland Drive
Mill Valley, CA 94941
415-307-2405
Message 6
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| Subject: | Re: M-14P carb heat |
Hello Keith,
Good points. On the ground, and at 80% RPM, I get an immediate RPM drop when this
is engaged. Without this in place (just pulling air via the back of the carburetor
air box from around the lower cowling) there is no RPM drop. Air from
the lower engine compartment would certainly be warmer than outside air, but
may not be as effective. The problem with doing proper carb heat for the M-14P
on the Nanchang is a lack of room around the back of the air box and the surrounding
lower cowling. I did not check the manifold pressure, but I would expect
it to rise slightly if for no other reason than the RPM decreases. Ill look
at this specifically on Saturday while flying.
Im aware that pressure type carburetors are less prone to carburetor ice due to
the fact that the fuel is injected into the air flow after the venturi section.
However, less prone and immune are different concepts. Icing is still a possibly
for a pressure type carburetor when the humidity is around 80%, the ambient
temperature is between 45 F and 55 F and the dew point is close to 45 F. When
compared to a standard carburetor, this one advantage of the pressure type
is obvious and were fortunate that Vedeneyev adopted this strategy.
Will let you know what happens to the manifold pressure after this weekends flying.
It will be 108 F on Saturday here in central Arizona. Doubt that Ill be seeing
much carb ice!
Warren Hill
N464TW
Mesa, AZ
On Jun 9, 2014, at 12:02 PM, keithmckinley <cetopfed@gmail.com> wrote:
>
> That looks really nice, but I wonder how that effects manifold pressure if the
heat is full open. Does it restrict the airflow? 2" tubing seems reasonable,
just curious.
>
> I removed the elephant ears from my CJ and put a filter similar to the bracket
type over my rear airbox opening. Just the heat in the engine cowling area raises
the carb air significantly. I'd much prefer something like you did.
>
> --------
> Keith McKinley
> 700HS
> X26 Sebastian, FL
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=424559#424559
>
>
>
>
>
>
>
>
>
>
Message 7
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| Subject: | Re: Housai 285 hp oil leak |
A method I use to find the source of an oil leak is to clean the motor real
ly good with some sort of detergent like Dawn dishwashing liquid, etc... th
is doesn't leave any residue like mineral spirits and leaves the engine ver
y dry after the wash. Then dist the whole engine with baby powder then run
the engine on the ground for 10 minutes or so. Your oil leaks will normally
be very evident. Having said that, on these round motors, I stopped chasin
g the little leaks long ago. JB
=C2-
From: "keithmckinley" <cetopfed@gmail.com>
Sent: Monday, June 9, 2014 2:09:06 PM
Subject: Yak-List: Re: Housai 285 hp oil leak
Pete makes a good point.
It's tough to chase those leaks down. I had leak that drove me nuts and tur
ned out to be from a pinched o-ring on a rocker cover. It was very hard to
see.
--------
Keith McKinley
700HS
X26 Sebastian, FL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=424560#424560
===========
===========
MS -
===========
e -
=C2- =C2- =C2- =C2- =C2--Matt Dralle, List Admin.
===========
Message 8
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| Subject: | Re: Housai 285 hp oil leak |
Yep, Bike Clean sprayed on the cowling, wing roots, and fuselage wipes the evidence
of the pesky leaks right away after the day of flying. You sleep better knowing
you have a nice clean airplane to get oily the flying session. Unless it
is pouring oil out on the hanger floor or you are down 2-3 liters after a 1
hour flight I'm not worrying with it. As long as your hoses are not old and worn
out not worth the trouble chasing a piss ant leak. You'll fly less and die
with a tight anal sphincter.
Doc
Sent from my iPad
> On Jun 9, 2014, at 4:19 PM, jblake207@comcast.net wrote:
>
> A method I use to find the source of an oil leak is to clean the motor really
good with some sort of detergent like Dawn dishwashing liquid, etc... this doesn't
leave any residue like mineral spirits and leaves the engine very dry after
the wash. Then dist the whole engine with baby powder then run the engine
on the ground for 10 minutes or so. Your oil leaks will normally be very evident.
Having said that, on these round motors, I stopped chasing the little leaks
long ago. JB
>
> From: "keithmckinley" <cetopfed@gmail.com>
> To: "Yak-List" <yak-list@matronics.com>
> Sent: Monday, June 9, 2014 2:09:06 PM
> Subject: Yak-List: Re: Housai 285 hp oil leak
>
>
> Pete makes a good point.
>
> It's tough to chase those leaks down. I had leak that drove me nuts and turned
out to be from a pinched o-ring on a rocker cover. It was very hard to see.
>
> --------
> Keith McKinley
> 700HS
> X26 Sebastian, FL
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=424560#424560
>
>
>
>
>
>
> ; -Mat==============
>
>
>
>
>
>
>
Message 9
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| Subject: | Governor/RPM Issue |
Looking for advice.
Encountered a new issue flying my (regularly flown) CJ this weekend. In cruise,
climbed up to 7500 feet, throttled back to 620, and then tried to set the RPM
to 1900. The lowest it would go is about 1950 (prop control full aft).
At that setting, RPM would change with airspeed. Pushing the prop forward, about
about 60% travel it would "catch" and go back to constant speed mode.
I wasn't comfortable with that so I turned around and headed home. Oil pressure,
fuel flow, etc remained normal throughout.
No obvious oil leaks around the prop hub. I haven't pulled the screens yet, but
I thought I'd see if anyone has any insights into what to check first (hub,
governor, etc).
Also, it got me curious about how the system actually works - any insights appreciated.
Thanks,
Joe Enzminger
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=424589#424589
Message 10
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| Subject: | Re: Governor/RPM Issue |
What was the OAT at 7500 ?
It is a fairly common problem with counterweight props in cold weather if
you have been cruising at a steady pace in smooth air. The oil in the
cylinder gets thick enough that it's return flow through the governor
passage is restricted. RPM would tend to change with airspeed since, with
frozen oil, it is essentially a fixed pitch prop. Good practice to cycle
the RPM occasionally.
It even happens to double acting Hydromatic types and some have an electric
heater unit attached around the dome.
Should have returned to normal on descent.
Walt
-----Original Message-----
From: Joe Enzminger
Sent: Monday, June 09, 2014 6:45 PM
Subject: Yak-List: Governor/RPM Issue
<panchoandlefty2002@yahoo.com>
Looking for advice.
Encountered a new issue flying my (regularly flown) CJ this weekend. In
cruise, climbed up to 7500 feet, throttled back to 620, and then tried to
set the RPM to 1900. The lowest it would go is about 1950 (prop control
full aft).
At that setting, RPM would change with airspeed. Pushing the prop forward,
about about 60% travel it would "catch" and go back to constant speed mode.
I wasn't comfortable with that so I turned around and headed home. Oil
pressure, fuel flow, etc remained normal throughout.
No obvious oil leaks around the prop hub. I haven't pulled the screens yet,
but I thought I'd see if anyone has any insights into what to check first
(hub, governor, etc).
Also, it got me curious about how the system actually works - any insights
appreciated.
Thanks,
Joe Enzminger
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=424589#424589
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