Today's Message Index:
----------------------
1. 03:03 AM - Re: M462RF (M14P) into car! (Jan Mevis)
2. 07:26 AM - Re: Re: Why would my Yak 52 m14p lose power? (George Coy)
3. 08:38 AM - air start (B-L Pollock)
4. 08:48 PM - Re: Re: Why would my Yak 52 m14p lose power? (Eddie Moran)
5. 09:44 PM - Re: Re: Why would my Yak 52 m14p lose power? (Eddie Moran)
6. 10:41 PM - Re: M462RF (M14P) into car! (Darin Bishop)
Message 1
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| Subject: | M462RF (M14P) into car! |
Sorry for the unforgiveable mistake, a Goggomobil is something completely
different than a Trabant!
Congratulations ! I really wonder how this small car will behave once it is
driving. The torque must be incredible to handle ?
Jan Mevis
Yak 50
RA2005K
-----Original Message-----
From: Jan Mevis [mailto:jan.mevis@informavia.be]
Sent: woensdag 24 december 2008 8:19
Subject: RE: M14PEngines-List: M462RF (M14P) into car!
Incredible, a Trabant with an M14P !!!!
If that thing ever drives, then I want to see it!
Jan Mevis
YK50
RA2005K
-----Original Message-----
From: owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of
Deutsche-Werke
Sent: dinsdag 23 december 2008 19:11
Subject: M14PEngines-List: M462RF (M14P) into car!
<wulf@deutsche-werke.de>
Hi friends.
It`ll never take off for fly, but soon get ready for drive.
Already design and mod that car since 12 month with Walter/Avia
M462RF, the agriculture-Version of M14P.
We made 2 small movies for introduction to the public. Also can
find lots of more films and a picture gallery on my homepage.
This movie is from July 2008:
http://www.deutsche-werke.de/HG18.wmv
And this one is from November 2008, just the transmission
is uncompleted (we kidding the Chinese way of copy):
http://www.deutsche-werke.de/HG18-2.wmv
If you have questions, feel free to ask.
Yours, Uwe
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=220788#220788
Message 2
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| Subject: | Re: Why would my Yak 52 m14p lose power? |
The Kamov Helicopter was designated the M14 V26. It was my understanding
that the M14B was produced for the AN14 light twin. (despite the wickapedia
entry)
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
_____
From: owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of Yak Pilot
Sent: Wednesday, December 24, 2008 4:10 PM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Wasn't the B model intended for helicoptor use? If so, then what you said
would make sense.
Thanks for confirming the info Mark
Merry Christmas!
Mark Bitterlich
_____
From: Mark Davis <mark@pld.com>
Sent: Tuesday, December 23, 2008 6:12:46 PM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Here's the info I found from several different sources:
M14P M14B
Blower ratio: 8.16 to 1 8.65 to 1
Comp ratio: 6.3 to 1 6.2 to 1
HP: 290 continuous 300 continuous
HP: 360 for 10 minutes 350 for 30 minutes
A little higher blower ratio traded for a little lower compression ratio.
Maybe so you can run it at the higher continuous power settings for a longer
period?
Mark Davis
N44YK
----- Original Message -----
From: Yak Pilot <mailto:yakplt@yahoo.com>
Sent: Tuesday, December 23, 2008 3:16 PM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Never confirmed personally, and I wish someone who knows for sure WOULD say
so, but I also heard that the "B" ,model spins the blower harder. Not sure
of the exact ratio but between the P and PF speed.
Mark Bitterlich
_____
From: A. Dennis Savarese <dsavarese0812@bellsouth.net>
Sent: Tuesday, December 23, 2008 9:23:23 AM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Thanks for the info George.
Merry Christmas,
Dennis
----- Original Message -----
From: George Coy <mailto:george@gesoco.com>
Sent: Tuesday, December 23, 2008 8:11 AM
Subject: RE: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
The only reason that I am a little familiar with this is that we had several
new M14B engines converted to M14PF engines for a customer a few years ago.
The work was done at Motorstar, the Romanian factory. The were surprised at
the many differences and commented that the internal accessory drive shafts
and gears were much more substantial than the M14P shafts and gears. I also
know that the few M14B instillations have had trouble with the oil pump
fittings clearing the motor mounts.
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
_____
From: owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of A. Dennis
Savarese
Sent: Tuesday, December 23, 2008 8:21 AM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
I appreciate the enlightenment George. Up until your email and based on
other inputs from some pretty well informed people (at least I thought so
anyway), I deduced the B could be made into a P by simply changing the nose
case. I surely won't make that mistake again.
Dennis
----- Original Message -----
From: George Coy <mailto:george@gesoco.com>
Sent: Tuesday, December 23, 2008 7:06 AM
Subject: RE: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Dennis,
I do not pretend to know all the differences between the engines, but I
do know the M14P and M14B have a lot of differences including the
carburetor. Simply changing nose cases does not do it. The M14B was not
intended for aerobatic use and needs some internal changes to allow for
inverted operations. The accessory case drive and the oil pump are
different.
Be careful about these things.
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
_____
From: owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of A. Dennis
Savarese
Sent: Monday, December 22, 2008 4:59 PM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Eddie, the B and the P have the same carburetor. The only difference
between the B and the P is the nose case. R and R the nose case on the B
with a nose case from a P and you have a P engine.
Dennis
----- Original Message -----
From: Eddie <mailto:eddiemoranii@yahoo.com> Moran
Sent: Monday, December 22, 2008 3:50 PM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
By the "same problem" I was referring to the hesitation when "advancing" the
thrust lever.
--- On Mon, 12/22/08, Eddie Moran <eddiemoranii@yahoo.com> wrote:
From: Eddie Moran <eddiemoranii@yahoo.com>
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Not that anyone cares.... but just to add to our knowledge base. My M14 is
a "B", had the same problem and was cured by the jet mod.
Eddie Moran
--- On Mon, 12/22/08, Yak Pilot <yakplt@yahoo.com> wrote:
From: Yak Pilot <yakplt@yahoo.com>
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
GREAT INFO!
Thanks!
Mark
_____
From: A. Dennis Savarese <dsavarese0812@bellsouth.net>
Sent: Monday, December 22, 2008 9:25:46 AM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Actually Mark, the JPI FS-450G is relatively inexpensive. Gulf Coast and
Pacific Coast Avionics are/were offering a $175 mail-in rebate making the
instrument about $305. LOTS of information for $305. Easy install. If you
decide to order one, make sure you order the FS-450G because the "G"
instrument includes the Floscan model 231 transducer.
Dennis
----- Original Message -----
From: Yak <mailto:yakplt@yahoo.com> Pilot
Sent: Monday, December 22, 2008 10:57 AM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
I am glad to know that you have verified that with such a calibrated
instrument Dennis. I sure would like to have one of those things! You were
also correct about the P vs. the PF deal. I hate to be wrong, but it
appears that I clearly was, and Kevin was there to verify it from the very
beginning!
Mark Bitterlich
_____
From: A. Dennis Savarese <dsavarese0812@bellsouth.net>
Sent: Monday, December 22, 2008 4:15:46 AM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
I acquired the "fix" from our friend George Coy.
All good input Mark. I also agree one can pull the throttle back until one
can see a slight decrease in MP and save fuel. This is proven by watching
the JPI fuel flow instrument installed in my airplane as well as others.
Dennis
----- Original Message -----
From: Yak <mailto:yakplt@yahoo.com> Pilot
Sent: Sunday, December 21, 2008 10:01 PM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Was not trying to disagree or start an argument with you Dennis . Just did
not believe that this cure was applicable to the problem being described.
Respectfully, I still do not.
Regarding the stumble in throttle movement. I have talked to many people
about this pressure carb. A lot of people think they have this thing fully
figured out and I have some doubts there since their explanations seem to
differ from the mechanics I have talked to that are Russians themselves and
were trained in that country. I know that my personal understanding is much
less than complete to put it mildly. I do not have the personal first hand
experience to back this up, but from what I have seen one Russian do, it
appears that the "P" model engines that I have seen stumble are usually able
to be cured without plugging the accel pump. Some cases have required
changing air bleed jets to values that "by the book" seemed to be rather
extreme, but the change then allowed the accel pump jet to be pretty much
left alone, or operated withinn normal ranges but never plugged. This is
problematic in that this puts strong suspicion on proper operation of the
diaphragms in that the engine was possibly over rich in the transition
range to begin with. My comment about P vs. PF engines was not meant to
imply that the problem could not happen with a P model, but that in every
case I have seen it could be cured by exercising the complete range of
adjustments possible with this carb, further that while it may have been
tried and used successfully with the P model, that according to my sources,
it was originally intended for the PF model where this problem happens more
often. I am not sure who "invented" this mod.... Seems to me I was told
once... might have been you, George Coy, I really am not sure. I hope
someone chimes in regarding this so that if I am wrong on that point, I
can be corrected. Given that there is no magic in how an engine burns
fuel, and that there are a lot of P models that run perfectly without the
accel jet plugged, it seems to me that an engine that does not run right has
something out of adjustment (or just not working right internally) and does
not need a carb design change. No question that the mod works on some
engines, but to me it is a matter of robbing Peter to pay Paul.
Bottom line, no one around here has a flow bench for these things that I
know of, or has tried to truly tackle over-hauling one and then charting the
flow curves on this side of the pond, and since the darn things are no
longer in production, long term users may eventually switch to fuel
injection anyway.
While New Bern is not a big airport for Russian engines, we have had 5
aircraft with P model engines, all of which ran perfectly without stumble,
and another 4 with PF models, ALL of which stumble some worse than others.
I was told that the carb does have a circuit for WOT mixture enrichment. I
was also informed the operator can pull the throttle back until a very small
change in manifold pressure is seen in order to save fuel with minimum
performance loss. Both pieces of info came from Russian sources directly,
if that means anything.
Mark Bitterlich
_____
From: A. Dennis Savarese <dsavarese0812@bellsouth.net>
Sent: Sunday, December 21, 2008 7:00:34 PM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Mark,
There are many, many M14P's, 360 HP engines that exhibit the throttle
response hesitation. The problem is not limited to the PF engine only. The
problem of throttle response hesitation can be reduced by changing the
accelerator pump jet down to a smaller diameter. The smallest accelerator
pump jet is .9 mm and I can say from experience, changing to the .9 mm jet
does not totally eliminate the problem on those engines that exhibit the
problem.
I too have plugged many an accelerator pump jet to stop the hesitation
problem on both P and PF engines. My opinion is, the accelerator pump jet
provides additional fuel during WOT which helps to cool the cylinders
(richer mixture). I'm not sure what the long term impact might be by
plugging the accelerator pump jet.
Dennis
----- Original Message -----
From: Yak <mailto:yakplt@yahoo.com> Pilot
Sent: Sunday, December 21, 2008 1:42 PM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
I'll take some flames if necessary, but I feel I must point out that this
mod was actually intended for fixing the throttle lag experienced in a lot
of M-14PF model engines (400HP) and NOT for the M-14P model, which is the
straight 360 HP engine. A normal M-14P engine should run perfectly WITHOUT
needing this modification.
Point number two. Something that has worked normally in the past, and then
suddenly starts working abnormally, or in a way different from in the past
is usually happening because something has changed and not because something
needs to be modified. I think this problem meets that description.
This particular engine lost power when throttled back. It did not stumble
and falter when the throttle was advanced from idle on the deck. This does
not sound like an accelerator pump issue.... ice possibly, water in the
fuel, low fuel pressure, a tank venting problem, you name it... lots of
possible causes, but I would be very hesitant to recommend the accel pump
mod on ANY engine for the described problem.
Respectfully,
Mark Bitterlich
N50YK.
p.s. Run this by Sergei Boriak, or better yet Vladimir Yastremski... I
think you will find they will agree.
_____
From: Eddie Moran <eddiemoranii@yahoo.com>
Sent: Saturday, December 20, 2008 11:18:38 AM
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
David, << We're removing a plug to uncover the jet below it.>> Yes, #10 on
the diagram is the plug (11mm) that you pull to get to the jet.
The jet unscrews, comes out, has a little hole in it. You plug that
somehow..(weld, JB, etc.). Then reinsert the jet and reinstall the 11mm
plug.
My engine ran much better after the mod with no noted lag in acceleration.
Eddie
--- On Sat, 12/20/08, DAVID STROUD <dstroud@storm.ca> wrote:
From: DAVID STROUD <dstroud@storm.ca>
Subject: Re: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
I'm slightly confused now. We're removing a plug to uncover the jet below
it. Your last sentence says 'plug it and reinstall' , do you mean to
remove the jet, plug it ( the jet ) somehow, then reinstall the plugged jet
and cover it with the first plug? Is this process done on the Huosai
engine too ? thanks..
David Stroud Ottawa, Canada
Christavia C-FDWS
Fairchild 51 replica
under construction C-FYXV
----- Original Message -----
From: Eddie <mailto:eddiemoranii@yahoo.com> Moran
Sent: Saturday, December 20, 2008 10:02 AM
Subject: Fw: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
Mark,
I am not an expert by any means but I agree on the ice theory. I also have
a picture of the accel plug fix. I would plug that if you have not already.
The following info came from Dennis a few years ago.
See attached. Item #10 is a plug (11 mm I believe) and under the plug is
the acceleration pump jet. The jet has a slot in it just like a slotted
screw. Use a straight blade screwdriver to remove. Plug it and reinstall.
The figure is attached.
Eddie Moran
N320VT
Murphy Moose
--- On Thu, 12/18/08, markgreenway <geewhizmark@gmail.com> wrote:
From: markgreenway <geewhizmark@gmail.com>
Subject: M14PEngines-List: Why would my Yak 52 m14p lose power?
<geewhizmark@gmail.com>
Hello Guys
Any idea why I lost power and had to make a forced landing ,because when
crossing midfield for landing, the motor lost power when I
throttled back. It
never totally died and it regained power once on the ground
_____
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Message 3
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I am installing the air start Packer valves assembly ,I would like to
put it under the pilot seat, but I heard it is better on the fire wall
to be higher than the air compressor .The reason not to put it lower was
that all the oil and water will contaminate the packer valve assembly
.Does anybody have information on this?
Thankyou
Bill
Moose-244
Message 4
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| Subject: | Re: Why would my Yak 52 m14p lose power? |
George,
I also see internet searches come back on the M14B as being a "300 hp" engi
ne.- I as you may know am trying to sell my Moose and I have had two guys
call me and ask about my "300" hp M14.- Do you know where that idea has
come from?
I would like to publicly thank you for all the help you gave me during the
installation of my engine in my Moose.- If it were not for you, Doug Sapp
, Steve Culp, Doug Franklin and my banker I would never have such a cool ai
rplane.
Oh, and again, Merry Christmas to all you Christians out there.
Eddie Moran
--- On Thu, 12/25/08, George Coy <george@gesoco.com> wrote:
From: George Coy <george@gesoco.com>
Subject: RE: Re: M14PEngines-List: Why would my Yak 52 m14p lose power?
#yiv1355963589 DIV {
MARGIN:0px;}
The Kamov Helicopter was designated the M14 V26. It was my
understanding that the M14B was produced for the AN14 light twin. (despite
the
wickapedia entry)
-
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
-
From:
owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of Yak
Pilot
Sent: Wednesday, December 24, 2008 4:10 PM
m14pengines-list@matronics.com
Subject: Re: Re: M14PEngines-List: Why
would my Yak 52 m14p lose power?
Wasn't the B model intended for helicoptor use?- If so, then what you
said would make sense.-
-
Thanks for confirming the info Mark
-
Merry Christmas!
-
Mark Bitterlich
From: Mark Davis
<mark@pld.com>
m14pengines-list@matronics.com
Sent: Tuesday, December 23, 2008 6:12:46
PM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose power?
#yiv1355963589 DIV {
MARGIN:0px;}
Here's the info I found from several different
sources:
-
M14P-----------------------
-------------------------
-----------
M14B
Blower ratio:- 8.16 to
1------------------------
-----------
8.65 to 1
Comp ratio:- 6.3 to
1------------------------
---------------6.2
to 1
HP: 290
continuous---------------------
--------------------300
continuous
HP: 360 for 10
minutes----------------------
-------------
350 for 30 minutes
-
A little higher blower ratio traded for a little
lower compression ratio.- Maybe so you can run it at the higher continuou
s
power settings for a longer period?
-
Mark Davis
N44YK
----- Original Message -----
From: Yak Pilot
To: m14pengines-list@matronics.com
Sent: Tuesday, December 23, 2008 3:16
PM
Subject: Re: Re: M14PEngines-List: Why
would my Yak 52 m14p lose power?
Never confirmed personally, and I wish someone who knows for sure WOULD
say so, but I also heard that the "B" ,model spins the blower harder.-
Not sure of the exact ratio but between the P and PF speed.-
-
Mark Bitterlich
-
-
From: A. Dennis Savarese <dsavarese0812@bellsouth.net>
Sent: Tuesday, December 23, 2008 9:23:23
AM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose power?
Thanks for the info George.
Merry Christmas,
Dennis
----- Original Message -----
From: George Coy
To: m14pengines-list@matronics.com
Sent: Tuesday, December 23, 2008 8:11
AM
Subject: RE: Re: M14PEngines-List: Why
would my Yak 52 m14p lose power?
The only reason that I am a little familiar with this is that
we had several new M14B engines converted to M14PF engines for a custom
er a
few years ago. The work was done at Motorstar, the-Romanian factory.
The were- surprised at the many differences and commented that the
internal accessory drive shafts and gears were much more substantial th
an
the M14P shafts and gears. I also know that the few M14B instillations
have
had trouble with the oil pump fittings clearing the motor mounts.
-
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
-
From:
owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of A.
Dennis Savarese
Sent: Tuesday, December 23, 2008 8:21
AM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose power?
I appreciate the enlightenment George.-
Up until your email and based on other inputs from some pretty well inf
ormed
people (at least I thought so anyway), I-deduced the B could be made
into a P by simply changing the nose case.- I surely won't make that
mistake again.
Dennis
-
-
----- Original Message -----
From: George Coy
To: m14pengines-list@matronics.com
Sent: Tuesday, December 23, 2008 7:06
AM
Subject: RE: Re: M14PEngines-List:
Why would my Yak 52 m14p lose power?
Dennis,
-----I do not pretend to know all
the differences between the engines, but I do know the M14P and M14B
have
a lot of differences including the carburetor. Simply changing nose c
ases
does not do it. The M14B was not intended for aerobatic use and needs
some
internal changes to allow for inverted operations. The accessory case
drive and the oil pump are different.
-
Be careful about these things.
-
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
-
From:
owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of
A. Dennis Savarese
Sent: Monday, December 22, 2008 4:59
PM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose
power?
Eddie, the B and the P have the same
carburetor.- The only difference between the B and the P is the nos
e
case.- R and R the nose case on the B with a nose case from a P and
you have a P engine.
Dennis
-
----- Original Message -----
From: Eddie
Moran
To: m14pengines-list@matronics.com
Sent: Monday, December 22, 2008
3:50 PM
Subject: Re: Re: M14PEngines-List:
Why would my Yak 52 m14p lose power?
By the "same problem" I was referring to the
hesitation when "advancing" the thrust lever.
--- On
Mon, 12/22/08, Eddie Moran <eddiemoranii@yahoo.com>
wrote:
From:
Eddie Moran <eddiemoranii@yahoo.com>
Subject:
Re: Re: M14PEngines-List: Why would my Yak 52 m14p
lose power?
Monday, December 22, 2008, 1:45 PM
Not that anyone cares.... but just to add to
our knowledge base.- My M14 is a "B", had the same
problem and was cured by the jet mod.
Eddie
Moran
--- On Mon, 12/22/08, Yak Pilot
<yakplt@yahoo.com> wrote:
From:
Yak Pilot <yakplt@yahoo.com>
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose
power?
Monday, December 22, 2008, 1:31 PM
#yiv1355963589 #yiv881181695 #yiv1188514940 DIV {
MARGIN:0px;}
GREAT INFO!-
-
Thanks!
-
Mark
-
From: A.
Dennis Savarese
<dsavarese0812@bellsouth.net>
m14pengines-list@matronics.com
Sent: Monday,
December 22, 2008 9:25:46 AM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose
power?
#yiv1355963589 #yiv881181695 #yiv1188514940 DIV {
MARGIN:0px;}
Actually Mark, the JPI
FS-450G is relatively inexpensive.- Gulf Coast an
d
Pacific Coast Avionics are/were offering a
$175-mail-in rebate making the instrument about
$305.- LOTS of information for $305.- Easy
install.- If you decide to order one, make sure y
ou
order the FS-450G because the "G" instrument includ
es
the Floscan model 231 transducer.
Dennis
-----
Original Message -----
From:
Yak
Pilot
To:
m14pengines-list@matronics.com
Sent:
Monday, December 22, 2008 10:57 AM
Subject:
Re: Re: M14PEngines-List: Why would my Yak 52 m14
p
lose power?
I am glad to know that you have verified that
with such a calibrated instrument Dennis.- I su
re
would like to have one of those things!- You we
re
also correct about the P vs. the PF deal.- I ha
te
to be wrong,-but it appears that I clearly was,
and Kevin was there to verify it from the very
beginning!-
-
Mark Bitterlich
-
From: A.
Dennis Savarese
<dsavarese0812@bellsouth.net>
m14pengines-list@matronics.com
Sent: Monday,
December 22, 2008 4:15:46 AM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose
power?
#yiv1355963589 #yiv881181695 #yiv1188514940 DIV {
MARGIN:0px;}
I acquired the "fix"
from our friend George Coy.
-
All good input
Mark.- I also agree one can pull the throttle
back until one can see a slight decrease in MP an
d
save fuel.- This is proven by watching the JPI
fuel flow instrument installed in my airplane as
well
as others.
-
Dennis
-
-----
Original Message -----
From:
Yak
Pilot
To:
m14pengines-list@matronics.com
Sent:
Sunday, December 21, 2008 10:01 PM
Subject:
Re: Re: M14PEngines-List: Why would my Yak 52 m
14p
lose power?
Was not trying to disagree or start an argument
with you Dennis .- Just did not believe that
this cure was applicable to the problem being
described.- Respectfully, I still do not.-
-
Regarding the stumble in throttle
movement.- I have talked to many people about
this pressure carb.- A lot of people think th
ey
have this thing fully figured out and I have so
me
doubts there since their explanations seem to d
iffer
from the mechanics I have talked to that are
Russians themselves and were trained in that
country.- I know that my personal understandi
ng
is much less than complete to put it mildly.-
I
do not have the personal first hand experience
to
back this up, but from what I have seen one Rus
sian
do, it appears that the "P" model engines that
I
have seen stumble are usually able to be cured
without plugging the accel pump.- Some cases
have required changing air bleed jets to values
that
"by the book" seemed to be rather extreme, but
the
change then allowed the accel pump jet to be pr
etty
much- left alone, or operated withinn normal
ranges but never plugged.- This is problemati
c
in that this puts strong suspicion on proper
operation of the diaphragms in that the-engin
e
was possibly over rich in the transition -ran
ge
to begin with. -My comment about P vs. PF
engines was not meant to imply that the problem
could not happen with a P model, but that in ev
ery
case I have seen it could be cured by exercisin
g the
complete range of adjustments possible with thi
s
carb, further that while it may have been tried
and
used successfully with the P model, that accord
ing
to my sources, it was originally intended for t
he PF
model where this problem happens more often.-
I
am not sure who "invented" this mod.... Seems t
o me
I was told once... might have been you, George
Coy,- I really am not sure.- I hope
someone chimes in regarding this so that if I a
m
wrong on that point,---I can be
corrected.-- Given that there is no magic
in how an engine burns fuel, and that there are
a
lot of P models that run perfectly without the
accel
jet plugged, it seems to me that an engine that
does
not run right has something out of adjustment (
or
just not working right internally) and does not
need
a carb design change.- No question that the m
od
works on some engines, but to me it is a matter
of
robbing Peter to pay Paul.-
-
Bottom line, no one around here has a flow
bench for these things that I know of, or has t
ried
to truly tackle over-hauling one and then chart
ing
the flow curves on this side of the pond, and s
ince
the darn things are no longer in production, lo
ng
term users may eventually switch to fuel inject
ion
anyway.--
-
While New Bern is not a big airport for Russian
engines,-we have had 5 aircraft with P model
engines, all of which ran perfectly without stu
mble,
and another 4 with PF models, ALL of which stum
ble
some worse than others.-
I was told that the carb does
have a circuit for WOT mixture enrichment.- I
was also informed the operator can pull the thr
ottle
back until a very small change in manifold pres
sure
is seen in order to save fuel with minimum
performance loss.- Both pieces of info came
from Russian sources directly, if that means
anything.-
-
Mark Bitterlich
-
From: A. Dennis
Savarese
<dsavarese0812@bellsouth.net>
m14pengines-list@matronics.com
Sent: Sunday,
December 21, 2008 7:00:34 PM
Subject: Re:
Re: M14PEngines-List: Why would my Yak 52 m14p
lose
power?
#yiv1355963589 #yiv881181695 #yiv1188514940 DIV
{
MARGIN:0px;}
Mark,
There are many, many M14P's, 360
HP engines that exhibit the throttle response
hesitation.- The problem is not limited to th
e
PF engine only.- The problem of throttle
response hesitation can be reduced by-changin
g
the accelerator pump jet down to-a smaller
diameter.- The smallest accelerator pump jet
is
.9-mm and I can say from experience, changing
to the .9 mm jet does not totally eliminate the
problem on those engines that exhibit the
problem.
-
I too have plugged many an
accelerator pump jet to stop the hesitation pro
blem
on both P and PF engines.- My opinion is, the
accelerator pump jet provides additional fuel d
uring
WOT-which helps-to cool the cylinders
(richer mixture).- I'm not sure what the long
term impact might be by plugging the accelerato
r
pump jet.
-
Dennis
-
-----
Original Message -----
From:
Yak
Pilot
To:
m14pengines-list@matronics.com
Sent:
Sunday, December 21, 2008 1:42 PM
Subject:
Re: Re: M14PEngines-List: Why would my Yak 52
m14p
lose power?
I'll take some flames if necessary, but I
feel I must point out that this mod was actua
lly
intended for fixing the throttle lag experien
ced
in a lot of M-14PF model engines (400HP) and
NOT
for the M-14P model, which is the straight 36
0 HP
engine.- A normal M-14P engine should run
perfectly WITHOUT needing this modification.
-
-
Point number two.- Something that has
worked normally in the past, and then suddenl
y
starts working abnormally, or in a way differ
ent
from in the past is usually happening because
something has changed and not because somethi
ng
needs to be modified.- I think this problem
meets that description.-
-
This particular engine lost power when
throttled back.- It did not stumble and
falter when the throttle was advanced from id
le on
the deck.- This does not sound like an
accelerator pump issue.... ice possibly, wate
r in
the fuel, low fuel pressure, a tank venting
problem, you name it... lots of possible caus
es,
but I would be very hesitant to recommend the
accel pump mod on ANY engine for the describe
d
problem.-
-
Respectfully,
-
Mark Bitterlich
N50YK.-
-
p.s.- Run this by Sergei Boriak, or
better yet Vladimir Yastremski... I think you
will
find they will agree.-
-
-
From: Eddie
Moran <eddiemoranii@yahoo.com>
m14pengines-list@matronics.com
Sent:
Saturday, December 20, 2008 11:18:38
AM
Subject: Re:
Re: M14PEngines-List: Why would my Yak 52 m14
p
lose power?
David, <<
We're removing a plug to uncover the jet be
low
it.>>- Yes, #10 on the diagram is the
plug (11mm) that you pull to get to the
jet.
The jet unscrews, comes out, has a
little hole in it.- You plug that
somehow..(weld, JB, etc.).- Then reinsert
the jet and reinstall the 11mm plug.-
My engine ran much better after the mod
with no noted lag in
acceleration.
Eddie
---
On Sat, 12/20/08, DAVID STROUD
<dstroud@storm.ca> wrote:
From:
DAVID STROUD
<dstroud@storm.ca>
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p
lose
power?
m14pengines-list@matronics.com
Saturday, December 20, 2008, 10:32 AM
I'm slightly confused now.
We're removing a plug to uncover the jet be
low
it. Your last sentence says---
'plug it and reinstall' , do you mean to
remove the jet, plug it (
the jet ) somehow, then reinstall the plugg
ed
jet and cover it with the first plug? Is th
is
process done on the Huosai
engine too ?
thanks..
-
David
Stroud---- Ottawa,
Canada
Christavia C-FDWS
Fairchild 51
replica
under- construction
C-FYXV
-----
Original Message -----
From:
Eddie
Moran
To:
m14pengines-list@matronics.com
Sent:
Saturday, December 20, 2008 10:02 AM
Subject:
Fw: Re: M14PEngines-List: Why would my Yak
52
m14p lose power?
Mark,-
I am not an expert by any means but I
agree on the ice theory.- I also have a
picture of the accel plug fix.- I would
plug that if you have not already.- The
following info came from Dennis a few years
ago.
See attached.- Item #10 is a plug
(11 mm I believe) and under the plug is the
acceleration pump jet.- The jet has a slo
t
in it just like a slotted screw.- Use a
straight blade screwdriver to
remove.-
Plug it and reinstall.
The figure is
attached.
Eddie Moran
N320VT
Murphy Moose
--- On Thu, 12/18/08,
markgreenway
<geewhizmark@gmail.com>
wrote:
From:
markgreenway
<geewhizmark@gmail.com>
Subject:
M14PEngines-List: Why would my Yak 52 m14p
lose
power?
m14pengines-list@matronics.com
Thursday, December 18, 2008, 9:30 PM
<geewhizmark@gmail.com>
Hello Guys
Any idea why I lost power and had to make a forced landing ,because whe
n
crossing midfield for landing, the motor lost power when I
throttled back. It
never totally died and it regained power once on the ground
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| Subject: | Re: Why would my Yak 52 m14p lose power? |
George,
I am a pilot at SWA (Southwest Airlines).....I have a friend who is also a
- pilot a SWA.- He is a former Russian airline pilot and is going back
to Russia soon.- I have tasked him.......with a small $ amount...........
...to find out all he can about the AN-14.-
The "wikpedia" entry is way off when it comes to the engine.
He transcribed my engines log book for me last year.- I want him to find
out all he can about the AN-14 and the M14-B.
http://www.flankers-site.co.uk/modl_other_files/an-14_03.JPG
What I would like to know is why was the "B" designed, what is different ab
out it's design, what aircraft was it supposed to be installed.
After 20 years of a Marine involved in Naval intelligence....looking at pic
tures and trying to figure out what the Russians are doing, or trying to do
is almost impossible.
Eddie Moran
The Kamov Helicopter was designated the M14 V26. It was my
understanding that the M14B was produced for the AN14 light twin. (despite
the
wickapedia entry)
-
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
-
From:
owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of Yak
Pilot
Sent: Wednesday, December 24, 2008 4:10 PM
m14pengines-list@matronics.com
Subject: Re: Re: M14PEngines-List: Why
would my Yak 52 m14p lose power?
Wasn't the B model intended for helicoptor use?- If so, then what you
said would make sense.-
-
Thanks for confirming the info Mark
-
Merry Christmas!
-
Mark Bitterlich
From: Mark Davis
<mark@pld.com>
m14pengines-list@matronics.com
Sent: Tuesday, December 23, 2008 6:12:46
PM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose power?
#yiv2108067750 #yiv902202875 DIV {
MARGIN:0px;}
Here's the info I found from several different
sources:
-
M14P-----------------------
-------------------------
-----------
M14B
Blower ratio:- 8.16 to
1------------------------
-----------
8.65 to 1
Comp ratio:- 6.3 to
1------------------------
---------------6.2
to 1
HP: 290
continuous---------------------
--------------------300
continuous
HP: 360 for 10
minutes----------------------
-------------
350 for 30 minutes
-
A little higher blower ratio traded for a little
lower compression ratio.- Maybe so you can run it at the higher continuou
s
power settings for a longer period?
-
Mark Davis
N44YK
----- Original Message -----
From: Yak Pilot
To: m14pengines-list@matronics.com
Sent: Tuesday, December 23, 2008 3:16
PM
Subject: Re: Re: M14PEngines-List: Why
would my Yak 52 m14p lose power?
Never confirmed personally, and I wish someone who knows for sure WOULD
say so, but I also heard that the "B" ,model spins the blower harder.-
Not sure of the exact ratio but between the P and PF speed.-
-
Mark Bitterlich
-
-
From: A. Dennis Savarese <dsavarese0812@bellsouth.net>
Sent: Tuesday, December 23, 2008 9:23:23
AM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose power?
Thanks for the info George.
Merry Christmas,
Dennis
----- Original Message -----
From: George Coy
To: m14pengines-list@matronics.com
Sent: Tuesday, December 23, 2008 8:11
AM
Subject: RE: Re: M14PEngines-List: Why
would my Yak 52 m14p lose power?
The only reason that I am a little familiar with this is that
we had several new M14B engines converted to M14PF engines for a custom
er a
few years ago. The work was done at Motorstar, the-Romanian factory.
The were- surprised at the many differences and commented that the
internal accessory drive shafts and gears were much more substantial th
an
the M14P shafts and gears. I also know that the few M14B instillations
have
had trouble with the oil pump fittings clearing the motor mounts.
-
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
-
From:
owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of A.
Dennis Savarese
Sent: Tuesday, December 23, 2008 8:21
AM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose power?
I appreciate the enlightenment George.-
Up until your email and based on other inputs from some pretty well inf
ormed
people (at least I thought so anyway), I-deduced the B could be made
into a P by simply changing the nose case.- I surely won't make that
mistake again.
Dennis
-
-
----- Original Message -----
From: George Coy
To: m14pengines-list@matronics.com
Sent: Tuesday, December 23, 2008 7:06
AM
Subject: RE: Re: M14PEngines-List:
Why would my Yak 52 m14p lose power?
Dennis,
-----I do not pretend to know all
the differences between the engines, but I do know the M14P and M14B
have
a lot of differences including the carburetor. Simply changing nose c
ases
does not do it. The M14B was not intended for aerobatic use and needs
some
internal changes to allow for inverted operations. The accessory case
drive and the oil pump are different.
-
Be careful about these things.
-
George Coy
Coy Aircraft Sales
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
george.coy@gmail.com
SKYPE george.coy
-
From:
owner-m14pengines-list-server@matronics.com
[mailto:owner-m14pengines-list-server@matronics.com] On Behalf Of
A. Dennis Savarese
Sent: Monday, December 22, 2008 4:59
PM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose
power?
Eddie, the B and the P have the same
carburetor.- The only difference between the B and the P is the nos
e
case.- R and R the nose case on the B with a nose case from a P and
you have a P engine.
Dennis
-
----- Original Message -----
From: Eddie
Moran
To: m14pengines-list@matronics.com
Sent: Monday, December 22, 2008
3:50 PM
Subject: Re: Re: M14PEngines-List:
Why would my Yak 52 m14p lose power?
By the "same problem" I was referring to the
hesitation when "advancing" the thrust lever.
--- On
Mon, 12/22/08, Eddie Moran <eddiemoranii@yahoo.com>
wrote:
From:
Eddie Moran <eddiemoranii@yahoo.com>
Subject:
Re: Re: M14PEngines-List: Why would my Yak 52 m14p
lose power?
Monday, December 22, 2008, 1:45 PM
Not that anyone cares.... but just to add to
our knowledge base.- My M14 is a "B", had the same
problem and was cured by the jet mod.
Eddie
Moran
--- On Mon, 12/22/08, Yak Pilot
<yakplt@yahoo.com> wrote:
From:
Yak Pilot <yakplt@yahoo.com>
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose
power?
Monday, December 22, 2008, 1:31 PM
#yiv2108067750 #yiv902202875 #yiv881181695 #yiv1188
514940 DIV {
MARGIN:0px;}
GREAT INFO!-
-
Thanks!
-
Mark
-
From: A.
Dennis Savarese
<dsavarese0812@bellsouth.net>
m14pengines-list@matronics.com
Sent: Monday,
December 22, 2008 9:25:46 AM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose
power?
#yiv2108067750 #yiv902202875 #yiv881181695 #yiv1188
514940 DIV {
MARGIN:0px;}
Actually Mark, the JPI
FS-450G is relatively inexpensive.- Gulf Coast an
d
Pacific Coast Avionics are/were offering a
$175-mail-in rebate making the instrument about
$305.- LOTS of information for $305.- Easy
install.- If you decide to order one, make sure y
ou
order the FS-450G because the "G" instrument includ
es
the Floscan model 231 transducer.
Dennis
-----
Original Message -----
From:
Yak
Pilot
To:
m14pengines-list@matronics.com
Sent:
Monday, December 22, 2008 10:57 AM
Subject:
Re: Re: M14PEngines-List: Why would my Yak 52 m14
p
lose power?
I am glad to know that you have verified that
with such a calibrated instrument Dennis.- I su
re
would like to have one of those things!- You we
re
also correct about the P vs. the PF deal.- I ha
te
to be wrong,-but it appears that I clearly was,
and Kevin was there to verify it from the very
beginning!-
-
Mark Bitterlich
-
From: A.
Dennis Savarese
<dsavarese0812@bellsouth.net>
m14pengines-list@matronics.com
Sent: Monday,
December 22, 2008 4:15:46 AM
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p lose
power?
#yiv2108067750 #yiv902202875 #yiv881181695 #yiv11
88514940 DIV {
MARGIN:0px;}
I acquired the "fix"
from our friend George Coy.
-
All good input
Mark.- I also agree one can pull the throttle
back until one can see a slight decrease in MP an
d
save fuel.- This is proven by watching the JPI
fuel flow instrument installed in my airplane as
well
as others.
-
Dennis
-
-----
Original Message -----
From:
Yak
Pilot
To:
m14pengines-list@matronics.com
Sent:
Sunday, December 21, 2008 10:01 PM
Subject:
Re: Re: M14PEngines-List: Why would my Yak 52 m
14p
lose power?
Was not trying to disagree or start an argument
with you Dennis .- Just did not believe that
this cure was applicable to the problem being
described.- Respectfully, I still do not.-
-
Regarding the stumble in throttle
movement.- I have talked to many people about
this pressure carb.- A lot of people think th
ey
have this thing fully figured out and I have so
me
doubts there since their explanations seem to d
iffer
from the mechanics I have talked to that are
Russians themselves and were trained in that
country.- I know that my personal understandi
ng
is much less than complete to put it mildly.-
I
do not have the personal first hand experience
to
back this up, but from what I have seen one Rus
sian
do, it appears that the "P" model engines that
I
have seen stumble are usually able to be cured
without plugging the accel pump.- Some cases
have required changing air bleed jets to values
that
"by the book" seemed to be rather extreme, but
the
change then allowed the accel pump jet to be pr
etty
much- left alone, or operated withinn normal
ranges but never plugged.- This is problemati
c
in that this puts strong suspicion on proper
operation of the diaphragms in that the-engin
e
was possibly over rich in the transition -ran
ge
to begin with. -My comment about P vs. PF
engines was not meant to imply that the problem
could not happen with a P model, but that in ev
ery
case I have seen it could be cured by exercisin
g the
complete range of adjustments possible with thi
s
carb, further that while it may have been tried
and
used successfully with the P model, that accord
ing
to my sources, it was originally intended for t
he PF
model where this problem happens more often.-
I
am not sure who "invented" this mod.... Seems t
o me
I was told once... might have been you, George
Coy,- I really am not sure.- I hope
someone chimes in regarding this so that if I a
m
wrong on that point,---I can be
corrected.-- Given that there is no magic
in how an engine burns fuel, and that there are
a
lot of P models that run perfectly without the
accel
jet plugged, it seems to me that an engine that
does
not run right has something out of adjustment (
or
just not working right internally) and does not
need
a carb design change.- No question that the m
od
works on some engines, but to me it is a matter
of
robbing Peter to pay Paul.-
-
Bottom line, no one around here has a flow
bench for these things that I know of, or has t
ried
to truly tackle over-hauling one and then chart
ing
the flow curves on this side of the pond, and s
ince
the darn things are no longer in production, lo
ng
term users may eventually switch to fuel inject
ion
anyway.--
-
While New Bern is not a big airport for Russian
engines,-we have had 5 aircraft with P model
engines, all of which ran perfectly without stu
mble,
and another 4 with PF models, ALL of which stum
ble
some worse than others.-
I was told that the carb does
have a circuit for WOT mixture enrichment.- I
was also informed the operator can pull the thr
ottle
back until a very small change in manifold pres
sure
is seen in order to save fuel with minimum
performance loss.- Both pieces of info came
from Russian sources directly, if that means
anything.-
-
Mark Bitterlich
-
From: A. Dennis
Savarese
<dsavarese0812@bellsouth.net>
m14pengines-list@matronics.com
Sent: Sunday,
December 21, 2008 7:00:34 PM
Subject: Re:
Re: M14PEngines-List: Why would my Yak 52 m14p
lose
power?
#yiv2108067750 #yiv902202875 #yiv881181695 #yiv
1188514940 DIV {
MARGIN:0px;}
Mark,
There are many, many M14P's, 360
HP engines that exhibit the throttle response
hesitation.- The problem is not limited to th
e
PF engine only.- The problem of throttle
response hesitation can be reduced by-changin
g
the accelerator pump jet down to-a smaller
diameter.- The smallest accelerator pump jet
is
.9-mm and I can say from experience, changing
to the .9 mm jet does not totally eliminate the
problem on those engines that exhibit the
problem.
-
I too have plugged many an
accelerator pump jet to stop the hesitation pro
blem
on both P and PF engines.- My opinion is, the
accelerator pump jet provides additional fuel d
uring
WOT-which helps-to cool the cylinders
(richer mixture).- I'm not sure what the long
term impact might be by plugging the accelerato
r
pump jet.
-
Dennis
-
-----
Original Message -----
From:
Yak
Pilot
To:
m14pengines-list@matronics.com
Sent:
Sunday, December 21, 2008 1:42 PM
Subject:
Re: Re: M14PEngines-List: Why would my Yak 52
m14p
lose power?
I'll take some flames if necessary, but I
feel I must point out that this mod was actua
lly
intended for fixing the throttle lag experien
ced
in a lot of M-14PF model engines (400HP) and
NOT
for the M-14P model, which is the straight 36
0 HP
engine.- A normal M-14P engine should run
perfectly WITHOUT needing this modification.
-
-
Point number two.- Something that has
worked normally in the past, and then suddenl
y
starts working abnormally, or in a way differ
ent
from in the past is usually happening because
something has changed and not because somethi
ng
needs to be modified.- I think this problem
meets that description.-
-
This particular engine lost power when
throttled back.- It did not stumble and
falter when the throttle was advanced from id
le on
the deck.- This does not sound like an
accelerator pump issue.... ice possibly, wate
r in
the fuel, low fuel pressure, a tank venting
problem, you name it... lots of possible caus
es,
but I would be very hesitant to recommend the
accel pump mod on ANY engine for the describe
d
problem.-
-
Respectfully,
-
Mark Bitterlich
N50YK.-
-
p.s.- Run this by Sergei Boriak, or
better yet Vladimir Yastremski... I think you
will
find they will agree.-
-
-
From: Eddie
Moran <eddiemoranii@yahoo.com>
m14pengines-list@matronics.com
Sent:
Saturday, December 20, 2008 11:18:38
AM
Subject: Re:
Re: M14PEngines-List: Why would my Yak 52 m14
p
lose power?
David, <<
We're removing a plug to uncover the jet be
low
it.>>- Yes, #10 on the diagram is the
plug (11mm) that you pull to get to the
jet.
The jet unscrews, comes out, has a
little hole in it.- You plug that
somehow..(weld, JB, etc.).- Then reinsert
the jet and reinstall the 11mm plug.-
My engine ran much better after the mod
with no noted lag in
acceleration.
Eddie
---
On Sat, 12/20/08, DAVID STROUD
<dstroud@storm.ca> wrote:
From:
DAVID STROUD
<dstroud@storm.ca>
Subject: Re: Re:
M14PEngines-List: Why would my Yak 52 m14p
lose
power?
m14pengines-list@matronics.com
Saturday, December 20, 2008, 10:32 AM
I'm slightly confused now.
We're removing a plug to uncover the jet be
low
it. Your last sentence says---
'plug it and reinstall' , do you mean to
remove the jet, plug it (
the jet ) somehow, then reinstall the plugg
ed
jet and cover it with the first plug? Is th
is
process done on the Huosai
engine too ?
thanks..
-
David
Stroud---- Ottawa,
Canada
Christavia C-FDWS
Fairchild 51
replica
under- construction
C-FYXV
-----
Original Message -----
From:
Eddie
Moran
To:
m14pengines-list@matronics.com
Sent:
Saturday, December 20, 2008 10:02 AM
Subject:
Fw: Re: M14PEngines-List: Why would my Yak
52
m14p lose power?
Mark,-
I am not an expert by any means but I
agree on the ice theory.- I also have a
picture of the accel plug fix.- I would
plug that if you have not already.- The
following info came from Dennis a few years
ago.
See attached.- Item #10 is a plug
(11 mm I believe) and under the plug is the
acceleration pump jet.- The jet has a slo
t
in it just like a slotted screw.- Use a
straight blade screwdriver to
remove.-
Plug it and reinstall.
The figure is
attached.
Eddie Moran
N320VT
Murphy Moose
--- On Thu, 12/18/08,
markgreenway
<geewhizmark@gmail.com>
wrote:
From:
markgreenway
<geewhizmark@gmail.com>
Subject:
M14PEngines-List: Why would my Yak 52 m14p
lose
power?
m14pengines-list@matronics.com
Thursday, December 18, 2008, 9:30 PM
<geewhizmark@gmail.com>
Hello Guys
Any idea why I lost power and had to make a forced landing ,because whe
n
crossing midfield for landing, the motor lost power when I
throttled back. It
never totally died and it regained power once on the ground
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| Subject: | Re: M462RF (M14P) into car! |
It'll probably roll over into the opposite lane when he steps on the gas. At
least the smoke cloud will give some warning to oncoming traffic....
Darin Bishop
www.2wings.com
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