Today's Message Index:
----------------------
1. 05:27 AM - Re: Re: WON'T START (JON)
2. 06:33 AM - Re: Re: WON'T START (dabear@damned.org)
3. 07:08 AM - Re: Re: WON'T START (Javier Carrasco)
4. 03:03 PM - Re: WON'T START (Bill1200)
5. 03:09 PM - Re: WON'T START (LawnDart)
6. 03:44 PM - Re: Re: WON'T START (Byron Fox)
7. 04:30 PM - Remote oil filter (Looigi)
8. 05:11 PM - Re: Remote oil filter (stephen.hayne)
9. 05:18 PM - CJ6 gross weight (Flibob)
10. 06:26 PM - Re: CJ6 gross weight (Walter Lannon)
11. 06:35 PM - Re: CJ6 gross weight (ggg6@att.net)
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Thanks Walt. I won't attempt to speculate on the over priming, but because
of the possibility of hydraulic lock from fuel I pull the prop thru about 3
-4 times after each prime... even on thru flights. JB
----- Original Message -----
From: "Walter Lannon" <wlannon@shaw.ca>
Sent: Monday, October 2, 2017 5:51:57 PM
Subject: Re: Yak-List: Re: WON'T START
Hi Jon;
The CJ primer is essentially identical to it=99s Russian counterpart.
It is the CJ fuel system that is different in that the Emergency fuel supp
ly is provided by a hand operated wobble pump. As a result there is no need
for the second function of the primer unit (Emergency fuel pump). With the
simple addition of a jumper line (by the factory) connecting the two outpu
t ports it became an engine primer only from either side. No, it does
not change the output fuel quantity.
Could be converted to work in the =9852 system by simply removing the
jumper.
After reading about Bill Dykes starting problems I wonder if over-priming m
ay have something to do with it and if everyone involved is fully aware of
the danger of hydraulic lock from that source.
Walt
From: JON
Sent: Monday, October 02, 2017 1:13 PM
Subject: Re: Yak-List: Re: WON'T START
With all the discussion about the primer on a YAK... I have this question a
bout the primer on the CJ: How does rotating the primer counterclockwise or
clockwise on a CJ differ? I'd heard that clockwise doubles the amount of f
uel...true? JB
----- Original Message -----
From: "Bill1200" <billdykes52@hotmail.com>
Sent: Monday, October 2, 2017 2:52:40 PM
Subject: Yak-List: Re: WON'T START
Update
Checked spark at ignition coil wire, great bright blue spark up to 1/2 inch
away from engine block so don't think that is the problem. Cleaned all con
tacts inside the cap and points
So, now I will check the plug gaps as noted above. How do I check to make s
ure the spark from the coil wire is getting to the plugs?
Don't think it's a fuel problem either, gets plenty of gas coming out of in
take drain after priming
Stumped!!!!!!!!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473269#473======
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Pull the prop through about 9-12 times (3 bladed prop).
Then prime.
Then Start.
If you really want to get a work out...
Pull the prop through
Then prime one shot
pull a blade
then prime one shot
pull a blade
then prime one shot
pull a blade
Then start.
Either works if the engine is timed right and you haven't over/under
primed.
The engine should start after two blades have gone by or you have done
something wrong in the process/engine is not setup correct.
Bear
On 10/3/2017 8:26 AM, JON wrote:
> Thanks Walt.=C2- I won't attempt to speculate on the over priming, bu
t
> because of the possibility of hydraulic lock from fuel I pull the prop
> thru about 3-4 times after each prime... even on thru flights.=C2- JB
>
>
> -----------------------------------------------------------------------
-
> *From: *"Walter Lannon" <wlannon@shaw.ca>
> *To: *yak-list@matronics.com
> *Sent: *Monday, October 2, 2017 5:51:57 PM
> *Subject: *Re: Yak-List: Re: WON'T START
>
> Hi Jon;
> The CJ primer is essentially identical to it=99s Russian counterp
art. It
> is the CJ fuel system that is different in that the Emergency fuel
> supply is provided by a hand operated wobble pump.=C2-=C2- As a res
ult there
> is no need for the second function of the primer unit (Emergency fuel
> pump).=C2-=C2- With the simple addition of a jumper line (by the fa
ctory)
> connecting the two output ports it became an engine primer only from
> either side.=C2- No, it does
> not change the output fuel quantity.
> Could be converted to work in the =9852 system by simply removing
the
> jumper.
> After reading about Bill Dykes starting problems I wonder if
> over-priming may have something to do with it and if everyone involved
> is fully aware of the danger of hydraulic lock from that source.
> Walt
> *From:* JON <mailto:jblake207@comcast.net>
> *Sent:* Monday, October 02, 2017 1:13 PM
> *To:* Yak-List <mailto:yak-list@matronics.com>
> *Subject:* Re: Yak-List: Re: WON'T START
> With all the discussion about the primer on a YAK... I have this
> question about the primer on the CJ:=C2- How does rotating the primer
> counterclockwise or clockwise on a CJ differ?=C2- I'd heard that
> clockwise doubles the amount of fuel...true?=C2- JB
> -----------------------------------------------------------------------
-
> *From: *"Bill1200" <billdykes52@hotmail.com>
> *To: *yak-list@matronics.com
> *Sent: *Monday, October 2, 2017 2:52:40 PM
> *Subject: *Yak-List: Re: WON'T START
> Update
> Checked spark at ignition coil wire, great bright blue spark up to 1/2
> inch away from engine block so don't think that is the problem.
> Cleaned all contacts inside the cap and points
> So, now I will=C2- check the plug gaps as noted above. How do I check
to
> make sure the spark from the coil wire is getting to the plugs?
> Don't think it's a fuel problem either, gets plenty of gas coming out
> of intake drain after priming
> Stumped!!!!!!!!
>
> Read this topic online here:
> http://forums.matronics.com/viewtopic.php?p=473269#473=====
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Message 3
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Also is probably a good time to get a mech. Involve before you actually dam
age something=C2-
Sent from Yahoo Mail on Android
On Tue, Oct 3, 2017 at 9:41, dabear@damned.org<dabear@damned.org> wrote:
Pull the prop through about 9-12 times (3 bladed prop).
Then prime.
Then Start.
If you really want to get a work out...
Pull the prop through
Then prime one shot
pull a blade
then prime one shot
pull a blade
then prime one shot
pull a blade
Then start.
Either works if the engine is timed right and you haven't over/under prime
d.
The engine should start after two blades have gone by or you have done som
ething wrong in the process/engine is not setup correct.=C2-
Bear
On 10/3/2017 8:26 AM, JON wrote:
Thanks Walt.=C2- I won't attempt to speculate on the over priming, but
because of the possibility of hydraulic lock from fuel I pull the prop thru
about 3-4 times after each prime... even on thru flights.=C2- JB
From: "Walter Lannon" <wlannon@shaw.ca>
To: yak-list@matronics.com
Sent: Monday, October 2, 2017 5:51:57 PM
Subject: Re: Yak-List: Re: WON'T START
Hi Jon; =C2- The CJ primer is essentially identical to it=99s R
ussian counterpart.=C2- It is the CJ fuel system that is different in tha
t the Emergency fuel supply is provided by a hand operated wobble pump.=C2
-=C2- As a result there is no need for the second function of the prime
r unit (Emergency fuel pump).=C2-=C2- With the simple addition of a jum
per line (by the factory) connecting the two output ports it became an engi
ne primer only from either side.=C2- No, it does not change the output fu
el quantity. Could be converted to work in the =9852 system by simp
ly removing the jumper. =C2- After reading about Bill Dykes starting p
roblems I wonder if over-priming may have something to do with it and if ev
eryone involved is fully aware of the danger of hydraulic lock from that so
urce. =C2- Walt From: JON Sent: Monday, October 02, 2017 1:13 PM To: Y
ak-List Subject: Re: Yak-List: Re: WON'T START =C2- With all the di
scussion about the primer on a YAK... I have this question about the primer
on the CJ:=C2- How does rotating the primer counterclockwise or clockwis
e on a CJ differ?=C2- I'd heard that clockwise doubles the amount of fuel
...true?=C2- JB
=C2- =C2- From: "Bill1200" <billdykes52@hotmail.com>
To: yak-list@matronics.com
Sent: Monday, October 2, 2017 2:52:40 PM
Subject: Yak-List: Re: WON'T START
>
=C2- Update
=C2- Checked spark at ignition coil wire, great bright blue spark up to
1/2 inch away from engine block so don't think that is the problem. Cleane
d all contacts inside the cap and points
=C2- So, now I will=C2- check the plug gaps as noted above. How do I c
heck to make sure the spark from the coil wire is getting to the plugs?
=C2- Don't think it's a fuel problem either, gets plenty of gas coming o
ut of intake drain after priming
=C2- Stumped!!!!!!!!
=C2- =C2- =C2-
Read this topic online here:
=C2-http://forums.matronics.com/viewtopic.php?p=473269#473====
===================
=C2- =C2- =C2- =C2-
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Update
Followed the starting procedure found in "the Definitive Pilots Operating Handbook"
which is in part a translation of the Russian Handbook
Basically, one prime pump for every 10 degrees below 100 degrees C
So, this morning it was 68 degrees with an overnight low of 48
8 prime pumps while turning the prop, got in the plane, primed the system side
4 times, fired up immediately! Took 2 people but worth it
I also followed one of the responders suggestion to gap the plugs to .018
So, that would suggest to me that it is not a serious timing or bad component problem,
more likely a fuel/air mixture, cold engine issue
Thanks to all
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473308#473308
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How was your last compression test(s)?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473309#473309
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Last year on a particularly chilly California morning, (yes, we do have
them) I had a terrible time starting my M-14P. So seeking wisdom from the
fount of all M-14P knowledge, I called Vladimir Yastremski in hopes of
learning some crafty technique.
Upon hearing my problem, Vlad sighed wearily, "Bleetz, vat can I say? It'z
pilot error. Book saz, below 53 degrees must preheat oil. Buy heating pads
for sump and oil tank. Problem solved."
I did and it was.
On Tue, Oct 3, 2017 at 3:02 PM, Bill1200 <billdykes52@hotmail.com> wrote:
>
> Update
>
> Followed the starting procedure found in "the Definitive Pilots Operating
> Handbook" which is in part a translation of the Russian Handbook
>
> Basically, one prime pump for every 10 degrees below 100 degrees C
> So, this morning it was 68 degrees with an overnight low of 48
>
> 8 prime pumps while turning the prop, got in the plane, primed the system
> side 4 times, fired up immediately! Took 2 people but worth it
>
> I also followed one of the responders suggestion to gap the plugs to .018
>
> So, that would suggest to me that it is not a serious timing or bad
> component problem, more likely a fuel/air mixture, cold engine issue
>
> Thanks to all
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=473308#473308
>
>
--
... Blitz
Byron M. Fox
80 Milland Drive
Mill Valley, CA 94941
415-307-2405
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| Subject: | Remote oil filter |
Hi All,
All the talk on another thread here has me thinking about our own Yak-52 here in
New Zealand.
It gets a bit chilly here in Christchurch during winter with temperatures often
dipping into the negatives (Celsius). We have managed to mostly get the hang
of starting the thing in these temperatures, but often it takes a few goes.
A few of the guys on here have mentioned that they have engine heating pads on
their aircraft. Could I please ask you to take some pictures and ether post them
here or email me? I am interested in getting maybe getting some too.
Also, does anyone have a remote filter on their Yak? As an engineer I shiver at
the thought of basically unfiltered oil circulating around my engine. One of
the DC3's I looked after has the Air Wolf kit fitted and boy does it work!
I would get one of them or maybe one of Craig Payne's ones today, but I can't
find a spot suitable to mount it. Again, can someone please post or mail a picture
or two?
Many thanks
Chris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473312#473312
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| Subject: | Re: Remote oil filter |
Here is the installation of a remote filter on my Nanchang - I'm sorry but I forget
exactly where the main part was sourced, but we fabricated the mounting plate.
Also, sorry the pictures are so big, but too hard to edit smaller!
--------
-
Dr. Stephen C. Hayne, Professor, CIS, Colorado State University
__!__
_____(_)_____ 666CJ
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| Subject: | CJ6 gross weight |
What is the correct gross weight for the CJ? I have been using 3080 as the conversion
from kilograms in my Chinese manual. I just re-done my weight and balance
and several other users are using 3200 lbs. I have also heard of people using
3500 pounds. Seems to me like comic book math and Moondust but seriously
if it is a higher number it would certainly make life a lot easier any answers?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473314#473314
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| Subject: | Re: CJ6 gross weight |
CJ6 Gross Wt. = 1400 Kg. or 3087 lbs.
-----Original Message-----
From: Flibob
Sent: Tuesday, October 03, 2017 5:18 PM
Subject: Yak-List: CJ6 gross weight
What is the correct gross weight for the CJ? I have been using 3080 as the
conversion from kilograms in my Chinese manual. I just re-done my weight and
balance and several other users are using 3200 lbs. I have also heard of
people using 3500 pounds. Seems to me like comic book math and Moondust but
seriously if it is a higher number it would certainly make life a lot easier
any answers?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=473314#473314
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| Subject: | Re: CJ6 gross weight |
All the calculations I have done right from the Chinese manual converted to pounds
the max gross take off weight is 3080lbs. Gary. CJ N22YK
Sent from my iPad
> On Oct 3, 2017, at 17:18, Flibob <Flibob@att.net> wrote:
>
>
> What is the correct gross weight for the CJ? I have been using 3080 as the conversion
from kilograms in my Chinese manual. I just re-done my weight and balance
and several other users are using 3200 lbs. I have also heard of people
using 3500 pounds. Seems to me like comic book math and Moondust but seriously
if it is a higher number it would certainly make life a lot easier any answers?
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=473314#473314
>
>
>
>
>
>
>
>
>
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