X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtprh02.spirittelecom.com ([165.166.0.78] verified) by logan.com (CommuniGate Pro SMTP 5.1.11) with ESMTPS id 2243384 for flyrotary@lancaironline.net; Sun, 05 Aug 2007 08:05:50 -0400 Received-SPF: pass receiver=logan.com; client-ip=165.166.0.78; envelope-from=jewen@comporium.net X-Report-Abuse-To: abuse@spirittelecom.com Received: from engineer1 (199-222-166-204.lnhe.2wcm.comporium.net [199.222.166.204] (may be forged)) by smtprh02.spirittelecom.com (8.13.6/8.13.1) with SMTP id l75C5A00006299 for ; Sun, 5 Aug 2007 12:05:11 GMT Message-ID: <001a01c7d758$e150eee0$6705a8c0@cooleygroup.local> From: "Joe Ewen" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Whole lota Sparks - Mode 8 is HOT Date: Sun, 5 Aug 2007 08:05:11 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0017_01C7D737.58923B20" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-Virus-Scanned: ClamAV 0.88/3859/Sun Aug 5 09:16:51 2007 on smtprh02.spirittelecom.com X-Virus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0017_01C7D737.58923B20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Dave, You might want to check over the coil insulator to make sure the errant = sparks did not burn any carbon tracks. If so they can become a path to = spark leakage later. Joe ----- Original Message -----=20 From: David Leonard=20 To: Rotary motors in aircraft=20 Sent: Sunday, August 05, 2007 2:58 AM Subject: [FlyRotary] Re: Whole lota Sparks - Mode 8 is HOT Well, after doing research, I find that I should never fire the coils = without being connected to a grounded spark plug... because the spark = has to go somewhere.... Doh! Hope I didn't hurt anything!!! Dave Leonard =20 On 8/4/07, David Leonard wrote:=20 While a few of you are having a problem with not enough spark, I am = having the opposite problem. I put the battery in tonight and started = to run through systems checks. The test modes in the EC2 are really = nice features. Injectors and new injector disable switches seem to be = working fine. The problem is with the coils... Way too much spark if = that is possible.=20 I planned to test the LS1 coils 1 at a time but quickly found that 2 = of the coils are arcing past the rubber boots of the spark plug wire, = one more than the other. I thought maybe the rubber had gotten old = (though not that old) so I swapped in one of the wires that was not = leaking - but that did not solve the problem. I took all the wires off = entirely, and sparks were flying out of the socket and arcing across = several inches to reach the control harness for the coil. The other = coils were not doing that, though they were making normal sparks when = connected to a spark plug.=20 I assume this is not normal. Does anyone know of a condition that = would make the coil voltage go through the roof like that? The coils = did get a good dousing of coolant 1.5 years ago. Also, I notice that = the coils are drawing 3 amps even when not running. Time for some new = coils?=20 --=20 David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net=20 --=20 David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net ------=_NextPart_000_0017_01C7D737.58923B20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi Dave,

You might want to check over the coil = insulator to=20 make sure the errant sparks did not burn any carbon tracks. If so = they can=20 become a path to spark leakage later.

Joe

----- Original Message -----

From:=20 David=20 Leonard

To: Rotary motors in = aircraft

Sent: Sunday, August 05, 2007 = 2:58=20 AM

Subject: [FlyRotary] Re: Whole = lota=20 Sparks - Mode 8 is HOT

Well, after doing research, I find that I should never fire the = coils=20 without being connected to a grounded spark plug... because the = spark=20 has to go somewhere.... Doh! Hope I didn't hurt = anything!!!

Dave Leonard

On 8/4/07, David=20 Leonard <wdleonard@gmail.com> = wrote:=20

While a few of you are having a problem with not enough spark, = I am=20 having the opposite problem. I put the battery in tonight and = started=20 to run through systems checks. The test modes in the EC2 are = really=20 nice features. Injectors and new injector disable switches seem to = be=20 working fine. The problem is with the coils... Way too = much=20 spark if that is possible.

I planned to test the LS1 coils 1 at a time but quickly found = that 2 of=20 the coils are arcing past the rubber boots of the spark plug wire, = one more=20 than the other. I thought maybe the rubber had gotten old = (though not=20 that old) so I swapped in one of the wires that was not leaking = - but=20 that did not solve the problem. I took all the wires off = entirely, and=20 sparks were flying out of the socket and arcing across several = inches to=20 reach the control harness for the coil. The other coils were = not doing=20 that, though they were making normal sparks when connected to a = spark plug.=20

I assume this is not normal. Does anyone know of a = condition that=20 would make the coil voltage go through the roof like that? The = coils=20 did get a good dousing of coolant 1.5 years ago. Also, I = notice that=20 the coils are drawing 3 amps even when not running. Time for = some new=20 coils?

--
David Leonard

Turbo Rotary = RV-6=20 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net=20

-- =
David=20 Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.nethttp://RotaryRoster.net=20 ------=_NextPart_000_0017_01C7D737.58923B20--