Today's Message Index:
----------------------
1. 08:44 AM - I know this question has been asked,,,,but (jlpartington@reagan.com)
2. 08:56 AM - Re: I know this question has been asked,,,,but (Mark Pennington)
3. 09:05 AM - Re: I know this question has been asked,,,,but (Steven Johnson)
4. 09:14 AM - Re: I know this question has been asked,,,,but (Mark Pennington)
5. 09:16 AM - Re: I know this question has been asked,,,,but (Richard Goode)
6. 09:21 AM - Re: I know this question has been asked,,,,but (A. Dennis Savarese)
7. 09:28 AM - Re: I know this question has been asked,,,,but (Richard Goode)
8. 10:04 AM - Re: I know this question has been asked,,,,but (jlpartington@reagan.com)
9. 10:08 AM - Re: I know this question has been asked,,,,but (jlpartington@reagan.com)
10. 10:17 AM - Re: I know this question has been asked,,,,but (W LANNON)
11. 12:50 PM - Re: I know this question has been asked,,,,but (Anthony Savarese)
Message 1
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| Subject: | I know this question has been asked,,,,but |
=0AWhat spark plugs are folks recommending for the auto converted CJ-6 moto
r?=0A =0AJim =0A817-917-6806
Message 2
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| Subject: | Re: I know this question has been asked,,,,but |
Currently at the hangar. NGK 7022
Mark
N621CJ
On Fri, Oct 8, 2021 at 11:49 AM <jlpartington@reagan.com> wrote:
> What spark plugs are folks recommending for the auto converted CJ-6 motor?
>
>
> Jim
>
> 817-917-6806
>
Message 3
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| Subject: | Re: I know this question has been asked,,,,but |
What=99s the best for the M14P?
Steve
Sent from my iPad
> On Oct 8, 2021, at 11:59 AM, Mark Pennington <pennington.construction.inc.
1@gmail.com> wrote:
>
> =EF=BB
> Currently at the hangar. NGK 7022
> Mark
> N621CJ
> <IMG_6022.jpg>
>
>> On Fri, Oct 8, 2021 at 11:49 AM <jlpartington@reagan.com> wrote:
>> What spark plugs are folks recommending for the auto converted CJ-6 motor
?
>>
>> Jim
>> 817-917-6806
Message 4
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| Subject: | Re: I know this question has been asked,,,,but |
Dennis can chime in here but I thought both engines used the 14mm 7022
plug. I run an M14P using 7022.
Mark
N621CJ
On Fri, Oct 8, 2021 at 12:10 PM Steven Johnson <sajdds@comcast.net> wrote:
> What=99s the best for the M14P?
>
> Steve
> Sent from my iPad
>
> On Oct 8, 2021, at 11:59 AM, Mark Pennington <
> pennington.construction.inc.1@gmail.com> wrote:
>
> =EF=BB
> Currently at the hangar. NGK 7022
> Mark
> N621CJ
> <IMG_6022.jpg>
>
> On Fri, Oct 8, 2021 at 11:49 AM <jlpartington@reagan.com> wrote:
>
>> What spark plugs are folks recommending for the auto converted CJ-6 moto
r?
>>
>>
>>
>> Jim
>>
>> 817-917-6806
>>
>
Message 5
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| Subject: | I know this question has been asked,,,,but |
As Mark has written =93 BPR6HS =93 of course made by NGK.
Excellent plugs with the additional advantage of being long-reach so
giving good flame propagation inside the cylinder.
RICHARD GOODE AEROBATICS
Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
e-mail: <mailto:richard.goode@russianaeros.com>
richard.goode@russianaeros.com
<http://www.russianaeros.com/> www.russianaeros.com
WORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES
In partnership with Aerometal Kft, Hungary.
From: owner-yak-list-server@matronics.com
<owner-yak-list-server@matronics.com> On Behalf Of
jlpartington@reagan.com
Sent: 08 October 2021 16:43
Subject: Yak-List: I know this question has been asked,,,,but
What spark plugs are folks recommending for the auto converted CJ-6
motor?
Jim
817-917-6806
Message 6
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| Subject: | Re: I know this question has been asked,,,,but |
Yes sir.=C2- The 7022's are the same plugs that come in my kit.=C2- Ga
p at .020 and don't forget the anti seize compound on the threads.=C2- Al
so, if you have CHT probes on the any spark plug, remove the factory washer
before installing with a CHT probe.=C2- Torque to 22-23 Ft. Lbs.
Dennis
On Friday, October 8, 2021, 12:16:09 PM EDT, Mark Pennington <penningto
n.construction.inc.1@gmail.com> wrote:
Dennis can chime in here but I thought both engines used the 14mm 7022 plu
g.=C2- I run an M14P using 7022. =C2-
MarkN621CJ
On Fri, Oct 8, 2021 at 12:10 PM Steven Johnson <sajdds@comcast.net> wrote:
What=99s the best for the M14P?
SteveSent from my iPad
On Oct 8, 2021, at 11:59 AM, Mark Pennington <pennington.construction.inc.1
@gmail.com> wrote:
=EF=BBCurrently at the hangar. =C2- NGK 7022MarkN621CJ<IMG_6022.jpg>
On Fri, Oct 8, 2021 at 11:49 AM <jlpartington@reagan.com> wrote:
What spark plugs are folks recommending for the auto converted CJ-6 motor?
=C2-
Jim=C2-
817-917-6806
Message 7
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| Subject: | I know this question has been asked,,,,but |
Again, I'm sure that it is the BPR6HS. Although the M 14 P delivers more
power, the combustion issues in the cylinder are effectively the same.
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
<mailto:richard.goode@russianaeros.com>
<http://www.russianaeros.com/> www.russianaeros.com
WORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES
In partnership with Aerometal Kft, Hungary.
From: owner-yak-list-server@matronics.com
<owner-yak-list-server@matronics.com> On Behalf Of Steven Johnson
Sent: 08 October 2021 17:05
Subject: Re: Yak-List: I know this question has been asked,,,,but
What=99s the best for the M14P?
Steve
Sent from my iPad
On Oct 8, 2021, at 11:59 AM, Mark Pennington
<pennington.construction.inc.1@gmail.com
<mailto:pennington.construction.inc.1@gmail.com> > wrote:
=EF=BB
Currently at the hangar. NGK 7022
Mark
N621CJ
<IMG_6022.jpg>
On Fri, Oct 8, 2021 at 11:49 AM <jlpartington@reagan.com
<mailto:jlpartington@reagan.com> > wrote:
What spark plugs are folks recommending for the auto converted CJ-6
motor?
Jim
817-917-6806
Message 8
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| Subject: | I know this question has been asked,,,,but |
=0Athanks=0A-----Original Message-----=0AFrom: "Richard Goode" <richard.goo
de@russianaeros.com>=0ASent: Friday, 8 October, 2021 11:38am=0ATo: yak-list
@matronics.com=0ASubject: RE: Yak-List: I know this question has been asked
,,,,but=0A=0A=0A=0A=0AAgain, I'm sure that it is the BPR6HS. Although the M
14 P delivers more power, the combustion issues in the cylinder are effect
ively the same.=0A =0A=0A =0ARICHARD GOODE AEROBATICS=0ARhodds Farm, Lyonsh
all, Hereford, HR5 3LW, UK=0ATel: +44 (0)1544 340120 Fax: +44 (0)1544 3
40129=0Ae-mail: [ richard.goode@russianaeros.com ]( mailto:richard.goode@ru
ssianaeros.com )=0A[ www.russianaeros.com ]( http://www.russianaeros.com/ )
=0AWORLD LEADERS IN RUSSIAN SPORTING AIRCRAFT & ENGINES=0AIn partnership wi
th Aerometal Kft, Hungary.=0A =0A=0A=0AFrom: owner-yak-list-server@matronic
s.com <owner-yak-list-server@matronics.com> On Behalf Of Steven Johnson=0AS
ent: 08 October 2021 17:05=0ATo: yak-list@matronics.com=0ASubject: Re: Yak-
List: I know this question has been asked,,,,but=0A =0AWhat=99s the b
est for the M14P?=0A=0ASteve=0A=0ASent from my iPad=0A=0A=0A=0A=0AOn Oct 8,
2021, at 11:59 AM, Mark Pennington <[ pennington.construction.inc.1@gmail.
com ]( mailto:pennington.construction.inc.1@gmail.com )> wrote:=0A=0A=0A=0A
Currently at the hangar. NGK 7022=0A=0AMark=0A=0AN621CJ=0A=0A=0A<IMG_6022
.jpg>=0A=0A =0A=0A=0AOn Fri, Oct 8, 2021 at 11:49 AM <[ jlpartington@reagan
.com ]( mailto:jlpartington@reagan.com )> wrote:=0AWhat spark plugs are fol
ks recommending for the auto converted CJ-6 motor?=0A =0AJim =0A817-917-680
6=0A=0A=0A=0A
Message 9
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| Subject: | Re: I know this question has been asked,,,,but |
=0Athanks=0A-----Original Message-----=0AFrom: "A. Dennis Savarese" <dsavar
ese0812@bellsouth.net>=0ASent: Friday, 8 October, 2021 11:21am=0ATo: "yak-l
ist@matronics.com" <yak-list@matronics.com>=0ASubject: Re: Yak-List: I know
this question has been asked,,,,but=0A=0A=0A=0A=0AYes sir. The 7022's are
the same plugs that come in my kit. Gap at .020 and don't forget the anti
seize compound on the threads. Also, if you have CHT probes on the any sp
ark plug, remove the factory washer before installing with a CHT probe. To
rque to 22-23 Ft. Lbs.=0ADennis=0A=0A=0AOn Friday, October 8, 2021, 12:16:0
9 PM EDT, Mark Pennington <pennington.construction.inc.1@gmail.com> wrote:
=0A=0A=0A=0ADennis can chime in here but I thought both engines used the 14
mm 7022 plug. I run an M14P using 7022. =0AMark=0AN621CJ=0A=0A=0A=0A=0AOn
Fri, Oct 8, 2021 at 12:10 PM Steven Johnson <[ sajdds@comcast.net ]( mailt
o:sajdds@comcast.net )> wrote:=0AWhat=99s the best for the M14P?=0A
=0A=0ASteve=0ASent from my iPad=0A=0AOn Oct 8, 2021, at 11:59 AM, Mark Penn
ington <[ pennington.construction.inc.1@gmail.com ]( mailto:pennington.cons
truction.inc.1@gmail.com )> wrote:=0A=0A=0A=0ACurrently at the hangar. NG
K 7022=0AMark=0AN621CJ=0A=0A<IMG_6022.jpg>=0A=0A=0A=0AOn Fri, Oct 8, 2021 a
t 11:49 AM <[ jlpartington@reagan.com ]( mailto:jlpartington@reagan.com )>
wrote:=0AWhat spark plugs are folks recommending for the auto converted CJ-
6 motor?=0A =0AJim =0A817-917-6806=0A=0A=0A=0A
Message 10
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| Subject: | Re: I know this question has been asked,,,,but |
How about the question that, to the best of my knowledge, has never been an
swered or, indeed, asked?
Which automotive spark plug (or plugs) meets the heat range requirement of
the M14P and the HS6a? There is a difference!
Walt
From: "A. Dennis Savarese" <dsavarese0812@bellsouth.net>
Sent: Friday, October 8, 2021 9:21:23 AM
Subject: Re: Yak-List: I know this question has been asked,,,,but
Yes sir. The 7022's are the same plugs that come in my kit. Gap at .020 and
don't forget the anti seize compound on the threads. Also, if you have CHT
probes on the any spark plug, remove the factory washer before installing
with a CHT probe. Torque to 22-23 Ft. Lbs.
Dennis
On Friday, October 8, 2021, 12:16:09 PM EDT, Mark Pennington <pennington.co
nstruction.inc.1@gmail.com> wrote:
Dennis can chime in here but I thought both engines used the 14mm 7022 plug
. I run an M14P using 7022.
Mark
N621CJ
On Fri, Oct 8, 2021 at 12:10 PM Steven Johnson < [ mailto:sajdds@comcast.ne
t | sajdds@comcast.net ] > wrote:
What=99s the best for the M14P?
Steve
Sent from my iPad
BQ_BEGIN
On Oct 8, 2021, at 11:59 AM, Mark Pennington < [ mailto:pennington.construc
tion.inc.1@gmail.com | pennington.construction.inc.1@gmail.com ] > wrote:
BQ_BEGIN
Currently at the hangar. NGK 7022
Mark
N621CJ
<IMG_6022.jpg>
On Fri, Oct 8, 2021 at 11:49 AM < [ mailto:jlpartington@reagan.com | jlpart
ington@reagan.com ] > wrote:
BQ_BEGIN
What spark plugs are folks recommending for the auto converted CJ-6 motor?
Jim
817-917-6806
BQ_END
BQ_END
BQ_END
Message 11
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| Subject: | Re: I know this question has been asked,,,,but |
I=99ve never seen a specification for the heat range for either engine
. 15 yrs ago when I first started experimenting with a compatible automotive
spark plug, I looked at the condition of the original Russian and Chinese p
lugs and determined by sight and by comparing to plug manufacture photo desc
riptions, they were a very cold plug. As you already know, when the ceramic
around the firing element is very black and sooty, especially on the upper c
ylinders, it usually indicates a cold plug. So we began to experiment with C
hampion 14mm spark plugs that had the same thread length (reach). When the C
hampion plugs became difficult to source, we crossed them to NGK. That was t
he NGK BR6HS.
When you look inside a cylinder with either a Russian, Chinese or equivalent
auto plug, every one of them had the electrode above the surface (inside th
e spark plug hole) and nowhere near the surface of the combustion chamber. T
o obtain complete combustion, the spark plug electrode should at the very le
ast, be flush with the surface of the combustion chamber. Then, when a CHT p
robe or two as on the rear #4 plug on an M14 on a Yak 52, the firing tip is p
ulled even further away from the combustion chamber surface.
We experimented with various heat ranges. On NGK plugs, the higher the numbe
r (as in BR6HS) the colder the plug. If I remember correctly, we started wit
h =9C8=99s=9D. They were way to cold as evident by the co
lor of the ceramic and the harder starting. We tried 7=99s then 6
=99s. 6=99s gave us the best starting and burned much, much better as e
vident of the ceramic around the firing element.
A few years ago I started experimenting with the extended tip plug because o
f the oil collecting in the lower cylinders. The theory was, why not do wha
t Lycoming and Continental do when cylinders are burning more oil. That is, t
hey recommend and extended tip spark plug such as an REM37BY, which has an e
xtended tip. The result was the plug we use and recommend today, the NGK 702
2/BPR6HS. The =9CP=9D is the extended tip and the heat range is t
he =9C6=9D. It burns clean as evident by the color of the cerami
c around the firing tip.
Because of the original piston to cylinder wall clearances, both the M14 and
Housai engines were designed to consume oil. What we=99ve come up wi
th is a spark plug that works much better in these engine cylinders at the h
eat range we=99re using.
So you ask, does it meet the manufacturers heat range spec? Quite frankly, I
don=99t know. But what I do know is I think we=99ve significant
ly improved the operation and longevity of the ignition system on these engi
nes while reducing the operating cost.
With well over a thousand of the automotive conversation kits sold all over t
he world (including Russia) in the last 14+ years, I suspect we may have hit
on something that benefits the community.
Dennis
Sent from my iPhone
> On Oct 8, 2021, at 1:18 PM, W LANNON <wlannon@shaw.ca> wrote:
>
> =EF=BB
> How about the question that, to the best of my knowledge, has never been a
nswered or, indeed, asked?
>
> Which automotive spark plug (or plugs) meets the heat range requirement of
the M14P and the HS6a? There is a difference!
>
> Walt
>
> From: "A. Dennis Savarese" <dsavarese0812@bellsouth.net>
> To: yak-list@matronics.com
> Sent: Friday, October 8, 2021 9:21:23 AM
> Subject: Re: Yak-List: I know this question has been asked,,,,but
>
> Yes sir. The 7022's are the same plugs that come in my kit. Gap at .020 a
nd don't forget the anti seize compound on the threads. Also, if you have C
HT probes on the any spark plug, remove the factory washer before installing
with a CHT probe. Torque to 22-23 Ft. Lbs.
> Dennis
>
> On Friday, October 8, 2021, 12:16:09 PM EDT, Mark Pennington <pennington.c
onstruction.inc.1@gmail.com> wrote:
>
>
> Dennis can chime in here but I thought both engines used the 14mm 7022 plu
g. I run an M14P using 7022.
>
>
> Mark
> N621CJ
>
> On Fri, Oct 8, 2021 at 12:10 PM Steven Johnson <sajdds@comcast.net> wrote:
> What=99s the best for the M14P?
>
> Steve
> Sent from my iPad
>
> On Oct 8, 2021, at 11:59 AM, Mark Pennington <pennington.construction.inc.
1@gmail.com> wrote:
>
> Currently at the hangar. NGK 7022
> Mark
> N621CJ
> <IMG_6022.jpg>
>
> On Fri, Oct 8, 2021 at 11:49 AM <jlpartington@reagan.com> wrote:
> What spark plugs are folks recommending for the auto converted CJ-6 motor?
>
> Jim
> 817-917-6806
>
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