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Date: Mon, 28 Apr 2008 21:06:53 -0400
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Subject: RE: Lightspeed Plasma III in Performance Engine
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Thread-Topic: Lightspeed Plasma III in Performance Engine
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From: "Lancair" <lancair-esp@ustek.com>

John,

I had Performance set up my TSIO550 with dual Lightspeed EI.  The =
initial system was a little quirky and when run very lean a cylinder =
would sometimes flame out in the cylinder and the gas re-ignite in the =
exhaust (at least that is what we surmised).  Klaus came up with a fix =
and the dual EI ran fine until the de-ice system was activated.  The =
power surges (7 kw is a heck of a surge!) would occasionally interrupt =
the firing sequence.  We re-routed the wiring to minimize cross-talk but =
by then I was becoming concerned about the whole EI concept.  When the =
EI ran it was great (150 LoP and still smooth) but if a transient should =
zap one box it could easily zap both.  So we tore out one box and =
replaced it with a pressurized mag.=20

Now on run-up when I ground the mag there is no change in RPM and when I =
turn off the EI I see about75-100 rpm drop.  Seems the engine is just =
fine running on the EI and I get the same efficiency that I had with =
dual EI - but I now have a back-up using separate and dissimiliar =
technology.  Gives me a bit of the warm and fuzzy.

Robert M. Simon
ES-P N301ES


-----Original Message-----
From: John Barrett [mailto:2thman@cablespeed.com]=20
Sent: Sunday, April 27, 2008 4:33 PM
To: lml@lancaironline.net
Subject: Lightspeed Plasma III in Performance Engine

Does anyone have data or anecdotal information on problems with Plasma =
III EI system?  A recent accident in California involving off airport =
landing of a IVP has brought up concerns in my mind.  I have a =
Performance Engines TSIO 550 with the Plasma III ignition (not flying =
yet) and so did the referenced aircraft.  I am told that the cause of =
the accident was sudden engine stoppage and evidence points to failure =
of one of the redundant EI systems, the failure of which may have =
brought on the failure of the second.=20

I'd like to know if anyone has data on the Plasma III.  I'm also =
interested in anecdotal accounts positive or negative that might help =
allay concerns or lead to solutions of problems with the system. =20

Has anyone used a single Plasma III and a magneto backup with a TSIO =
550?

Regards,

John Barrett, CEO
Leading Edge Composites
PO Box 428
Port Hadlock, WA 98339
www.carbinge.com
=A0=20


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