X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from securemail.ever-tek.com ([64.129.170.194] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3750055 for flyrotary@lancaironline.net; Wed, 08 Jul 2009 19:59:58 -0400 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@bellairepolice.com Message-ID: Date: Wed, 8 Jul 2009 18:56:40 -0500 From: "Chris Barber" Subject: RE: [FlyRotary] SAG- Spark plugs 2592 or 2692? To: "Rotary motors in aircraft" , "Rotary motors in aircraft" X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] SAG- Spark plugs 2592 or 2692? Thread-Index: AcoAJkU8zCzpfgMcSHWi+8ZP/qDzOQAAXdqb References: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CA0028.2FD3CEE4" This is a multi-part message in MIME format. ------_=_NextPart_001_01CA0028.2FD3CEE4 Content-Type: text/plain;charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable So, I am guessing by this thread that it is ok to use the none shrouded s= tock NKG plugs. I have not looked, but now assume that the more standard= type automotive plug fits even with it longer electrodes extending furth= er out. =20 Cpl. Christopher Barber, JD Badge 330 Bellaire Police Department 5110 Jessamine Bellaire, Texas 77401 =20 713-668-0487 713-662-8289 fax =20 CBarber@BellairePolice.com ________________________________ From: Rotary motors in aircraft on behalf of Kelly Troyer Sent: Wed 7/8/2009 6:44 PM To: Rotary motors in aircraft Subject: [FlyRotary] SAG- Spark plugs 2592 or 2692? Bill, You are correct................You have to look up the AR2592 plugs by p= art number............This plug is actually used in some early Chevrolet and Chrysler Big block engines f= or racing.......... -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 =20 -------------- Original message from "Bill Bradburry" : --------------=20 =09 =09 Kelly, I don't see a call out for the rotary engine in the Autolite info...??? =20 Bill B=20 =20 =09 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On = Behalf Of Kelly Troyer Sent: Wednesday, July 08, 2009 3:27 PM To: Rotary motors in aircraft Subject: [FlyRotary] SAG- Spark plugs 2592 or 2692? Jeff and All, =20 I believe the mystery is solved...............Apparently "AR2692"= is a typo error and "AR2592" is correct..............Check out the link below...........= =2EFull of info.....=20 =20 http://www.autolite.com/pdf/Autolite_HP_Apps.pdf =20 =09 Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 =09 =09 =09 =20 -------------- Original message from "Kelly Troyer" : -= -------------=20 =09 =09 =09 Jeff, I have never found a trace of a "AR2692"............Lynn which is cor= rect ??................... -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 =09 =09 =09 =20 -------------- Original message from Jeff Whaley : --------------=20 Lynn's email referenced 2 part numbers ... Poor folks race with Autoli= ght AR2692 and ... In the picture, left to right is the Autolight AR2592. So which number is it correct? 2592 or 2692? Jeff =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] O= n Behalf Of Kelly Troyer Sent: Wednesday, July 08, 2009 2:35 PM To: Rotary motors in aircraft Subject: [FlyRotary] SAG- Spark plugs =20 Lynn and Group, =20 I checked my local "Auto Zone" and they claimed to be unable= to get the "AutoLite" AR2592 sparkplug...............Checked "Rock Auto" (Link below) and t= hey have them in packs of 4 for $2.69 (each plug)...........Ordered 8 of them for $21.= 52 + $5.47 shipping but "AutoLite" has a rebate offer of $0.50 per plug for up to 16 plug= s until Nov. 30,2009 for copper core plugs (rebate link below).............To find the spa= rkplug do a part number search (AR2592) , Add the manufacturer (AutoLite) , Then use "all" fo= r the part group because if you use "Ignition" and "Sparkplug" for part type it will s= ay "No part found".... =20 FWIW=20 =20 =20 http://www.rockauto.com/catalog/raframecatalog.php?a=3DG-Store =20 http://www.autolite.com/rebate/pdf/spark-plug-09.pdf -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 =09 =09 =20 -------------- Original message from Lynn Hanover : --------------=20 In a message dated 7/7/2009 3:22:56 P.M. Pacific Daylight Time, bbra= dburry@bellsouth.net writes: Steve, I hope Lynn chimes in here. He has seen a lot of plugs under a lot = of conditions. They look pitted to me. There seems nothing wrong with= your conditions. The only thing on the list would be too lean.?? Someone is out there writing up a great response right now! :>) Bill B=20 That plug has been too hot.=20 =20 Stock Mazda plugs are rather cold in heat range by way of the guards= around the shell. The electrode runs a bit hotter than normal. Plug heat= ranges are determined by how far down the shell the porcelain touches. T= he longer the heat path, the hotter the plug.=20 =20 Using car plugs in the aircraft application seems to be asking for t= rouble. In the car on the freeway you use 2,600 RPM and 1/2 throttle, may= be 24 to 28 HP. Not much of a challenge for a spark plug. But there is th= e=20 driver who will jump into his 95 twin turbo in LA and run out to Las= Vegas at full tilt and expect to still have an engine when he gets there.= And usually he does. So, if I was to use a street plug in an aircraft, = I would use the 93-95 twin turbo plug, whatever that is. =20 The aircraft application, less the 100LL fuel problem, is clearly a = cold racing plug with a conventional gap or close to it.=20 =20 Years ago when we started racing rotaries, Champion said to use the = N-57G Fine wire center with gold paladium plating and a conventional grou= nd strap. About 20% of the center wire is exposed in an end view. =20 The N-57G and similar are discontinued and the N-82 series replaced = it. The shell is thinner and the porcelain is wider. Same fine wire cente= r, no gold anything. 20% of the wire exposed in an end view.=20 Both worked fine even with points and a Kettering coil. =20 Poor folks race with Autolight AR2692 end style and small porcelain = just like the N-57G. Full size center wire, conventional strap, but 100% = of the center wire is exposed in an end view. Actually used by NASCAR and= the local circle track people, and stocked by Autozone and others. About= $5.00 a box of 4. They work fine. I raced them one weekend, no problems,= but we were getting the NGK plugs for free so I stuck with them.=20 =20 The NGKR6725-115 stamped on the body actually means that the heat ra= nge is 11.5 not 115. $25.00 each. 50% of the center wire exposed in an end view. Free for some Rotary = engined competitors. Retracted gap (the whole thing is inside the shell. = Fine wire center and fine wire ground strap. Ice cold. Long body so it is= easy to install and remove in the rotary.=20 =20 I grind off those eyebrow things above the plug holes so I can use a= ny plug I like. And any 5/8" plug just goes in so easy. Most heat ranges = are available in the 5/8" shells.=20 =20 Rotaries do not like high heat range plugs. The housings crack acros= s the leading plug hole. Over time a complete set of radial cracks form.=20 =20 In the picture, left to right is the Autolight AR2592, Champion N-82= , NGK R6725-115, and Champion=20 N-57G.=20 =20 Lynn E. Hanover =20 Warning: This e-mail transmission, and any documents, files or previous e= -mails attached to it, may contain confidential information that is legal= ly privileged. If you are not the intended recipient or the person respon= sible for delivering it to the intended recipient, you are hereby notifie= d that any disclosure, copying, distribution or use of any of the informa= tion contained in or attached to this transmission is STRICTLY PROHIBITED= =2E If you have received this transmission in error, please immediately n= otify us by telephone at 713-662-8132 and destroy the original transmissi= on and its attachments without reading them. Thank you. ------_=_NextPart_001_01CA0028.2FD3CEE4 Content-Type: text/html;charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable =0A=0A=0A=0A
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So, I am guess= ing by this thread that it is ok to use the none shrouded stock NKG plugs= =2E  I have not looked, but now assume that the more standard type a= utomotive plug fits even with it longer electrodes extending fu= rther out.
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Cpl. Christopher Barber, = JD
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Badge 330
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= Bellaire Police Department
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5110 Jessamine
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Bell= aire, Texas 77401
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 =0A
713-668-0487
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713-662-8289 fax
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CBarber@BellairePolice.com
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=0A
=0AFrom: Rotary motors in aircraft on behalf of Kelly= Troyer
Sent: Wed 7/8/2009 6:44 PM
To: Rotary motors = in aircraft
Subject: [FlyRotary] SAG- Spark plugs 2592 or 2692?=

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Bill,
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&nb= sp;You are correct................You have to look up the AR2592 plugs by= part number............This plug
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is actually used in some e= arly Chevrolet and Chrysler Big block engines for racing..........=0A
--
Kelly Troyer
"Dyke= Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/= Oil Manifold



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Kelly,

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I don’t see a call out for the= rotary engine in the Autolite info…???

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Bill B 

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=0A<= DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter>=0A
=0A=0A

From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Kelly Troyer
Sent: Wednesday, July 08, 2009 3:27 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] SAG- Spark pl= ugs 2592 or 2692?

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Jeff an= d All,

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=  

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    &n= bsp;  I believe the mystery is solved...............Apparently "AR26= 92" is a typo error

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and "AR2592" is correct..............Check out the link below...........= =2EFull of info..... 

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<= SPAN style=3D"FONT-SIZE: 12pt"> 

=0A
=0A<= P class=3DMsoNormal style=3D"MARGIN-BOTTOM: 12pt">
Kelly Troyer
"Dy= ke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplat= e/Oil Manifold


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-------------- Original messa= ge from "Kelly Troyer" <keltro@att.net>: --------------

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Jeff,

=
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  I have never found a trace of= a "AR2692"............Lynn which is correct ??...................=

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--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine <= BR>"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold


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 =

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-------------- Original mess= age from Jeff Whaley <jwhaley@datacast.com>: -------------- =

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Lynn’= s email referenced 2 part numbers … Poor folks race w= ith Autolight AR2692 and … In the picture, left to right is the Aut= olight AR2592.

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= So which number is it correct? 2592 or 2692?

=0A

Jeff

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<= FONT face=3DCalibri color=3D#1f497d size=3D2> 

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From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Kelly Troyer
Sent: Wednesday, July 08, 2= 009 2:35 PM
To: Rotary= motors in aircraft
Subject: [FlyRotary] SAG- Spark plugs

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Lynn and Group,

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=
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      =    I checked my local "Auto Zone" and they claimed to be unable= to get the "AutoLite"

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AR2592 sparkplug...............Checked "Rock Auto" (Link below) and t= hey have them in

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<= FONT face=3D"Times New Roman" size=3D3>pa= cks of 4 for $2.69 (each plug)...........Ordered 8 of them for $21.52 + $= 5.47 shipping

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but "= AutoLite" has a rebate offer of $0.50 per plug for up to 16 plugs until N= ov. 30,2009

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for cop= per core plugs (rebate link below).............To find the sparkplug do a= part number

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search= (AR2592) , Add the manufacturer (AutoLite) , Then use "all" for the= part group

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because= if you use "Ignition" and "Sparkplug" for part type it will say "No part= found"....

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=  

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FWIW 

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=  

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--
Kelly Troye= r
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"= _Backplate/Oil Manifold

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-------------- Original message from Lynn Hanover <lehanover@gma= il.com>: --------------

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In a message dated 7/7/2009 3:22:56 P.M. Pacific Daylight Time, = bbradburry@bellsouth.net = writes:

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Steve= ,
I hope Lynn chimes in here.  He has seen a lot of plugs under a= lot of
conditions.  They look pitted to me.  There seems no= thing wrong with your
conditions.  The only thing on the list wou= ld be too lean.??
Someone is out there writing up a great response rig= ht now!  :>)
Bill B

=0A=0A

That plug has been too hot.

<= /DIV>=0A
=0A

 

=0A
=0A=

Stock Mazda plugs are rather cold in heat range by way = of the guards around the shell. The electrode runs a bit hotter than norm= al. Plug heat ranges are determined by how far down the shell the porcela= in touches. The longer the heat path, the hotter the plug. =

=0A
=0A

 

=0A=
=0A

Using car plugs in the aircraft application s= eems to be asking for trouble. In the car on the freeway you use 2,600 RP= M and 1/2 throttle, maybe 24 to 28 HP. Not much of a challenge for a= spark plug. But there is the

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driver who will jump into his 95 twin turbo in LA and run out= to LasVegas at full tilt and expect to still have an engine when he= gets there. And usually he does.  So, if I was to use a street plug= in an aircraft, I would use the 93-95 twin turbo plug, whatever that is.=

=0A
=0A

&nbs= p;

=0A
=0A

The aircraft application, less= the 100LL fuel problem, is clearly a cold racing plug with a conventiona= l gap or close to it.

=0A
=0A

 

=0A
=0A

Years ag= o when we started racing rotaries, Champion said to use the N-57G Fine wi= re center with gold paladium plating and a conventional ground strap. Abo= ut 20% of the center wire is exposed in an end view.

=0A
=0A

 

=0A
=0A=

The N-57G and similar are discontinued and the N-82 ser= ies replaced it. The shell is thinner and the porcelain is wider. Same fi= ne wire center, no gold anything. 20% of the wire exposed in an end view.=

=0A
=0A

Both worked fine = even with points and a Kettering coil.

=0A
=0A=

 

=0A
=0A

Poor folks race with Autolight AR2692 end style and small porcelain= just like the N-57G. Full size center wire, conventional strap, but 100%= of the center wire is exposed in an end view. Actually used by NASCAR an= d the local circle track people, and stocked by Autozone and others. Abou= t $5.00 a box of 4. They work fine. I raced them one weekend, no problems= , but we were getting the NGK plugs for free so I stuck with them.

=0A
=0A

 

=
=0A
=0A

The NGKR6725-115 stamped on the body= actually means that the heat range is 11.5 not 115. $25.00 each.<= /FONT>

=0A
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50% of the center wire exp= osed in an end view. Free for some Rotary engined competitors. Retracted = gap (the whole thing is inside the shell. Fine wire center and fine wire = ground strap. Ice cold. Long body so it is easy to install and remove in = the rotary.

=0A
=0A

 

=0A
=0A

I grind off those = eyebrow things above the plug holes so I can use any plug I like. And any= 5/8" plug just goes in so easy. Most heat ranges are available in the 5/= 8" shells.

=0A
=0A

=  

=0A
=0A

Rotaries do not lik= e high heat range plugs. The housings crack across the leading plug hole.= Over time a complete set of radial cracks form.

= =0A
=0A

<= SPAN style=3D"FONT-SIZE: 12pt"> 

=0A
=0A<= P class=3DMsoNormal>In the picture, left to right is the Autolight AR2592, = Champion N-82, NGK R6725-115, and Champion

=0A=0A

N-57G. 

=0A
=0A<= P class=3DMsoNormal> 

=0A
=0A

Lynn E. Hanover

=0A
=0A

 

<= /BLOCKQUOTE>

Warning: This e-mail transmission, and any documents, files or previo= us e-mails attached to it, may contain confidential information that is l= egally privileged. If you are not the intended recipient or the person re= sponsible for delivering it to the intended recipient, you are hereby not= ified that any disclosure, copying, distribution or use of any of the inf= ormation contained in or attached to this transmission is STRICTLY PROHIB= ITED. If you have received this transmission in error, please immediately= notify us by telephone at 713-662-8132 and destroy the original transmis= sion and its attachments without reading them. Thank you.

------_=_NextPart_001_01CA0028.2FD3CEE4--