X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 24 Dec 2005 22:34:32 -0500 Message-ID: X-Original-Return-Path: Received: from imo-d21.mx.aol.com ([205.188.144.207] verified) by logan.com (CommuniGate Pro SMTP 5.0.5) with ESMTP id 900627 for lml@lancaironline.net; Sat, 24 Dec 2005 22:11:15 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.144.207; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d21.mx.aol.com (mail_out_v38_r6.3.) id q.21a.558b099 (4328) for ; Sat, 24 Dec 2005 22:10:21 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: <21a.558b099.30df679d@aol.com> X-Original-Date: Sat, 24 Dec 2005 22:10:21 EST Subject: Re: [LML] Re: Where has all the power gone? X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1135480220" X-Mailer: 9.0 Security Edition for Windows sub 5300 X-Spam-Flag: NO -------------------------------1135480220 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 12/24/2005 9:33:44 A.M. Central Standard Time, lorn@dynacomm.ws writes: Why are you so sure that mags won't support larger gaps? With standard Slick 4300 mags, I run my Iridum plugs at .024". The engine starts all of the time on the first blade, cold or hot. If I wanted to experiment, I would try, and do believe that it would work, setting my plugs at .050". If the engine would start in the first place, the mags develop more energy as the RPM increases, you could be sure that it would keep running. Has anyone experimented with larger gaps on Iridium plugs or is everybody just guessing? Lorn, If you go to a DENSO site (for example) and read about the benefits of iridium plugs, you will see that one benefit is less resistance to the spark making the jump - better even than platinum. Your flight regime is not a good example - you fly high (less resistance to arcing), without a hi compression ratio (hi = more resistance to arcing) and at lower power settings. You will not necessarily see ignition problems with the larger gap because of these conditions. Regardless of the rpm, mags generally produce no more than 12K Volts whilst EIs are around 40K and CDIs around 60K. Also, generally, an EI never misses a spark - not true of Slick mags. Hot starts with a carb do not present any problems - injected engines suffer from vapor locks and premature vaporization from heat induced in the fine lines that run over the top of the engine to each injector. Nothing wrong with your set up - it might not work for folks that have different objectives. The interesting part is the range extension you probably would achieve with spark advance at the hi altitudes you utilize. Have you considered trying my LASAR, it is for sale. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Merry Christmas to all! -------------------------------1135480220 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
 =20
In a message dated 12/24/2005 9:33:44 A.M. Central Standard Time,=20 lorn@dynacomm.ws writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>Why are=20 you so sure that mags won't support larger gaps? With 
standard S= lick=20 4300 mags, I run my Iridum plugs at .024". The engine 
starts all= of=20 the time on the first blade, cold or hot. If I wanted 
to experim= ent,=20 I would try, and do believe that it would work, 
setting my plugs= at=20 .050". If the engine would start in the first 
place, the mags=20 develop more energy as the RPM increases, you could 
be sure that= it=20 would keep running.

Has anyone experimented with larger gaps on Iri= dium=20 plugs or is 
everybody just guessing?
Lorn,
 
If you go to a DENSO site (for example) and read about the benefit= s of=20 iridium plugs, you will see that one benefit is less resistance to the spark= =20 making the jump - better even than platinum.  Your flight regime is not= a=20 good example - you fly high (less resistance to arcing), without a hi=20 compression ratio (hi =3D more resistance to arcing) and at lower power= =20 settings.  You will not necessarily see ignition problems with the larg= er=20 gap because of these conditions.  Regardless of the rpm, mags generally= =20 produce no more than 12K Volts whilst EIs are around 40K and CDIs around=20 60K.  Also, generally, an EI never misses a spark - not true of Sl= ick=20 mags. 
 
Hot starts with a carb do not present any problems - injected engines=20 suffer from vapor locks and premature vaporization from heat induc= ed=20 in the fine lines that run over the top of the engine to each injector.
 
Nothing wrong with your set up - it might not work for folks that=20= have=20 different objectives.  The interesting part is the range extension you=20 probably would achieve with spark advance at the hi altitudes you utilize.&n= bsp;=20 Have you considered trying my LASAR, it is for sale.
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)

Mer= ry=20 Christmas to all!



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