X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-d22.mx.aol.com ([205.188.144.208] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3748517 for flyrotary@lancaironline.net; Tue, 07 Jul 2009 18:15:29 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.144.208; envelope-from=WRJJRS@aol.com Received: from imo-ma04.mx.aol.com (imo-ma04.mx.aol.com [64.12.78.139]) by imo-d22.mx.aol.com (v107.10) with ESMTP id RELAYIN1-24a53c8d0d; Tue, 07 Jul 2009 18:14:40 -0400 Received: from WRJJRS@aol.com by imo-ma04.mx.aol.com (mail_out_v40_r1.5.) id q.c4d.45ee6fe0 (34896) for ; Tue, 7 Jul 2009 18:14:35 -0400 (EDT) Received: from smtprly-db03.mx.aol.com (smtprly-db03.mx.aol.com [205.188.249.154]) by cia-da01.mx.aol.com (v124.15) with ESMTP id MAILCIADA015-5c404a53c8c61f4; Tue, 07 Jul 2009 18:14:35 -0400 Received: from webmail-md11 (webmail-md11.webmail.aol.com [64.12.170.129]) by smtprly-db03.mx.aol.com (v124.15) with ESMTP id MAILSMTPRLYDB036-5c404a53c8c61f4; Tue, 07 Jul 2009 18:14:30 -0400 References: To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] Re: SAG - NKG Date: Tue, 07 Jul 2009 18:14:30 -0400 X-AOL-IP: 64.12.78.139 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: wrjjrs@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8CBCD676EF94CB8_C9C_15C8_webmail-md11.sysops.aol.com" X-Mailer: AOL Webmail 43735-STANDARD Received: from 66.253.96.221 by webmail-md11.sysops.aol.com (64.12.170.129) with HTTP (WebMailUI); Tue, 07 Jul 2009 18:14:30 -0400 Message-Id: <8CBCD676DE71DD7-C9C-A91@webmail-md11.sysops.aol.com> X-Spam-Flag:NO ----------MB_8CBCD676EF94CB8_C9C_15C8_webmail-md11.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your welcome Ed, At Kawasaki we learned this problem the hard way. Late 1970's consumer OTC= platinum plugs were just becoming affordable. The Kawasaki 900 Z-1 and la= ter variants were starting to run poorly about 500 miles after tune ups.= They had the floating secondary coils. We found a lot of the dealerships= were putting in the platinum plugs. They made more money on them than the= standard plugs. Lots of hair pulling was caused. The plugs DID WORK BETTE= R AT FIRST. They just went away very soon. If you know somebody with a soo= bie powered plane using the original coil packs they were the same way. I= mentioned it to a guy at the Golden West Flyin, running a older soob in= a Glasstar and watched the light bulb come on. He always wondered why 2= of his 4 plugs failed first even though the cylinders always had good com= pression and ran great to that point. I really like the small coil on plug= set up, better spark and no firing backward! Bill Jepson -----Original Message----- From: Ed Anderson To: Rotary motors in aircraft Sent: Tue, Jul 7, 2009 12:43 pm Subject: [FlyRotary] Re: SAG - NKG Boy, thanks, Bill =C2=A0 Never would have even occurred to me to watch out for mushrooming fine wir= e electrodes =E2=80=93 the knowledge and experience on this list is fabulo= us!! =C2=A0 Ed =C2=A0 Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://www.dmack.net/mazda/index.html http://www. flyrotary.com/ http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.rotaryaviation.com/Rotorhead%20Truth.htm From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Be= half Of wrjjrs@aol.com Sent: Tuesday, July 07, 2009 12:38 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: SAG - NKG =C2=A0 Mark, One thing to watch out for on the fine-wire plugs, is NOT to run dual lead= coils. Some of the systems for the 20B fire both plugs at the same time.= This isn't a problem, but some of the engine management systems use 3 coi= ls with dual high-tension leads to make things simpler. Since most of the= dual-lead coils use a floating secondary one plug fires normally and the= other fires BACKWARD sidewire to center electrode. The plug that fires ba= ckward will wear the center electrode out faster. That isn't a problem wit= h standard plugs, but on the high end platinum or iridium plugs the center= electrode will erode or mushroom on the end. We saw this=C2=A0all the tim= e on 4 cylinder motorcycle engines where they always used=C2=A02 dual lead= coils to make the system cost less. The newer high performance bikes have= gone to coil on plug designs, and switch the low tension side to eleimina= te the problem. Bill Jepson=C2=A0 -----Original Message----- From: Mark Steitle To: Rotary motors in aircraft Sent: Tue, Jul 7, 2009 7:25 am Subject: [FlyRotary] Re: SAG - NKG John, =C2=A0 I've been running Renesis (irridium) plugs in my 20B wi th good results.=C2=A0 Of course, they're about 5 times the price of the= standard plugs.=C2=A0 But if they last 5 times longer, I feel that=C2=A0t= hey are=C2=A0worth the price. =C2=A0 Mark S.=C2=A0 On Tue, Jul 7, 2009 at 9:05 AM, John wrote: Ed, it appears to me that the NKG report is suggesting that we use hotter= spark plugs, has anyone tried this.=C2=A0 JohnD =C2=A0 =C2=A0 A Good Credit Score is 700 or Above. See yours in just 2 easy steps! ----------MB_8CBCD676EF94CB8_C9C_15C8_webmail-md11.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8" Your welcome Ed,
At Kawasaki we learned this problem the hard way. Late 1970's consumer OTC= platinum plugs were just becoming affordable. The Kawasaki 900 Z-1 and la= ter variants were starting to run poorly about 500 miles after tune ups.= They had the floating secondary coils. We found a lot of the dealerships= were putting in the platinum plugs. They made more money on them than the= standard plugs. Lots of hair pulling was caused. The plugs DID WORK BETTE= R AT FIRST. They just went away very soon. If you know somebody with a soo= bie powered plane using the original coil packs they were the same way. I= mentioned it to a guy at the Golden West Flyin, running a older soob in= a Glasstar and watched the light bulb come on. He always wondered why 2= of his 4 plugs failed first even though the cylinders always had good com= pression and ran great to that point. I really like the small coil on plug= set up, better spark and no firing backward!
Bill Jepson


-----Original Message-----
From: Ed Anderson <eanderson@carolina.rr.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Tue, Jul 7, 2009 12:43 pm
Subject: [FlyRotary] Re: SAG - NKG

Boy, thanks, Bill
 
Never would have ev= en occurred to me to watch out for mushrooming fine wire electrodes =E2=80= =93 the knowledge and experience on this list is fabulous!!<= /div>
 
=3D0 A
Ed
 
Ed Anderson
Rv-6A N494BW Rotary Powered=
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of w= rjjrs@aol.com
Sent: Tuesday, July 07, 20= 09 12:38 PM
To: Rotary motors in aircr= aft
Subject: [FlyRotary] Re:= SAG - NKG
 
Mark,
One thing to watch out for on the fine-wire plugs, is NOT to run dual lead= coils. Some of the systems for the 20B fire both plugs at the same time.= This isn't a problem, but some of the engine management systems use 3 coi= ls with dual high-tension leads to make things simpler. Since most of the= dual-lead coils use a floating secondary one plug fires normally and the= other fires BACKWARD sidewire to center electrode. The plug that fires ba= ckward will wear the center electrode out faster. That isn't a problem wit= h standard plugs, but on the high end platinum or iridium plugs the center= electrode will erode or mushroom on the end. We saw this all the tim= e on 4 cylinder motorcycle engines where they always used 2 dual lead= coils to make the system cost less. The newer high performance bikes have= gone to coil on plug designs, and switch the low tension side to eleimina= te the problem.
Bill Jepson 


-----Original Message-----
From: Mark Steitle <msteitle@gmai= l.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Tue, Jul 7, 2009 7:25 am
Subject: [FlyRotary] Re: SAG - NKG
John,
 
I've been running Renesis (irridium) plugs in my 20B= with good results.  Of course, they're about 5 times the price of th= e standard plugs.  But if they last 5 times longer, I feel that = they are worth the price.
 
Mark S.  =
On Tue, Jul 7, 2009 at 9:05 AM, John <downing.j@sbcglobal.net> wrote:
Ed, it appears to me that the NKG report is= suggesting that we use hotter spark plugs, has anyone tried this. = JohnD
 
 
A Good Credit Score is 700 or Above. See yours in just 2= easy steps!

A Good Credit Score is 700 or Above. See yours in just 2 easy steps!
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