X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.3.11) with ESMTP id 4662498 for flyrotary@lancaironline.net; Mon, 03 Jan 2011 11:50:08 -0500 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] Re: GM Coil Comparison MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CBAB66.CE7D6C72" Date: Mon, 3 Jan 2011 10:49:32 -0600 Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F32838CC@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: X-MimeOLE: Produced By Microsoft Exchange V6.5 Thread-Topic: [FlyRotary] Re: GM Coil Comparison Thread-Index: AcurYcT7mlKPvcTRRiWij7XAfDIh4wABEAtg References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CBAB66.CE7D6C72 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Tracy, =20 Did you ever get a chance to test the MSD replacement coil I sent home with you from Austin? =20 Bobby ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Sent: Monday, January 03, 2011 10:13 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: GM Coil Comparison I highly recommend the air cooled enclosure as Steve Boese (and I) use. This is especially important on the D581 and the stock RX-8 Renesis coils. The Renesis coils have a fairly high failure rate even on the car. The D581 would only last a few hours at 150 F but I have about 250 hours on them with the airbox at 120F. Don't forget to do the coil disable test to check for failed coils prior to every flight. Tracy On Mon, Jan 3, 2011 at 10:53 AM, Steven W. Boese wrote: I have about 100 hours on D585 coils and have had no problems with them so far. The temperature in their airblasted enclosure is usually less than 100 degrees in flight and has gotten up to 120 degrees during taxi. =20 Steve Boese =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Sent: Monday, January 03, 2011 8:41 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: GM Coil Comparison =20 I have a set of the D585 coils but have only evaluated them on the bench for compatibility with the EC2/3 (they are). =09 I do know that the previous version of the truck coils (D581) are not as reliable as the D580 (Corvette) coils. =09 Tracy On Sun, Jan 2, 2011 at 2:16 PM, Kelly Troyer wrote: Happy New Year Group, =20 A little info regarding the various GM ignition coils that many of us use on our Rotary engines with Tracy's EC2 and EC3 boxes that I thought might be of interest to those that have not seen it before.............Tracy would like your comments on the the apparently big performance difference between the LS1 verses the LS2 Truck coils and if an upgrade would be worth the $$ especially for those of us that have or plan on Turbocharging in light of the higher combustion chamber pressures.......=20 =20 =20 http://www.megamanual.com/seq/coils.htm#ls1 =20 =09 http://video.google.com/videoplay?docid=3D-6218245369765754251&hl=3Den# = =09 =20 Kelly Troyer "DYKE DELTA JD2" (Eventually) "13B ROTARY"_ Engine "RWS"_RD1C/EC2/EM2 "MISTRAL"_Backplate/Oil Manifold "TURBONETICS"_TO4E50 Turbo =20 ------_=_NextPart_001_01CBAB66.CE7D6C72 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Tracy,

Did you ever get a chance to test the MSD = replacement coil I=20 sent home with you from Austin?

Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of = Tracy
Sent:=20 Monday, January 03, 2011 10:13 AM
To: Rotary motors in=20 aircraft
Subject: [FlyRotary] Re: GM Coil=20 Comparison

I highly recommend the air cooled enclosure as Steve Boese = (and I)=20 use. This is especially important on the D581 and the stock RX-8 = Renesis=20 coils. The Renesis coils have a fairly high failure rate even on = the=20 car. The D581 would only last a few hours at 150 F but I = have about=20 250 hours on them with the airbox at 120F.

Don't forget to do the = coil=20 disable test to check for failed coils prior to every=20 flight.

Tracy

On Mon, Jan 3, 2011 at 10:53 AM, Steven W. = Boese <SBoese@uwyo.edu>=20 wrote:

I have=20 about 100 hours on D585 coils and have had no problems with them so = far. =20 The temperature in their airblasted enclosure is usually less than 100 = degrees=20 in flight and has gotten up to 120 degrees during taxi.

Steve=20 Boese

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of=20 Tracy
Sent: Monday, January 03, 2011 8:41 = AM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: GM Coil=20 Comparison

I have a set of the = D585 coils=20 but have only evaluated them on the bench for compatibility with the=20 EC2/3 (they are).

I do know that the previous version of = the=20 truck coils (D581) are not as reliable as the D580 (Corvette)=20 coils.

Tracy

On Sun, Jan 2, 2011 at 2:16 PM, Kelly Troyer = <keltro@att.net> = wrote:

Happy New Year=20 Group,

A = little info=20 regarding the various GM ignition coils that many of us use on=20 our

Rotary = engines with Tracy's=20 EC2 and EC3 boxes that I thought might be of interest

to those that have = not seen it=20 before.............Tracy would like your comments on = the

the apparently big = performance=20 difference between the LS1 verses the LS2 Truck

coils and if an = upgrade would be=20 worth the $$ especially for those of us that have

or plan on = Turbocharging in=20 light of the higher combustion chamber = pressures.......

http://www.megamanual.com/seq/coils.htm#ls1

http://video.google.com/videoplay?docid=3D-62182453697657= 54251&hl=3Den#

Kelly Troyer
"DYKE DELTA = JD2" (Eventually)

"13B ROTARY"_=20 Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil = Manifold

"TURBONETICS"_TO4E50=20 Turbo

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