REFLECTOR: LIGHTSPEED IGNITION PROBLEM

[Scott Derrick]

As a counter point, I have a LSI, crank mounted pickup.

Been reliable for 400+ hours and works great..  Mine is mounted on teh 
firewall, cabin side on small rubber standoffs.

Scott

davedent at comcast.net wrote:

> We had two of these moduls fail on us on our Cozy IV>  We found that 
> first the halograph pickups failed at the aluminum plate that spins 
> with the magnet.  Very poorly made.  Then we found the computer moduls 
> fail with vibration because the components are board mounted.   We had 
> two components on the boards fail.  Look right in the middle of the 
> large coil on the board.  You will find it burnt.  As well smell it to 
> see if you can smell anything burnt.  This is how I found mine bad.  
> They replaced them with no problem.  They are not just made to take 
> some of the punishment that they get. 
> Also check for a short in the coax cable going to the coils.  
> Disconnect at the coil and check across the B&C connector.  We have 
> lost every one of our cables.  If you have one plug wire come loose 
> during flight it can and will blow a coil or even two.  It tries 
> to jump the plug and it can blow the computer or the coils.  If a 
> direct short happens it should blow a fuse before blowing the 
> computer.  So look for a loose wire to the plugs as well.  With his 
> system there are way to many things that can go wrong.  And shut down 
> the whole system. 
> I would never buy another one with the problems we have had.  I found 
> the Jeff Rose unit gave me no problems at all in my ten years plus 
> that I flew them.  But he don't make them for the six cylinders and 
> don't sell them at all anymore. 
> I will be testing the prototype for the Emag on the six cylinder units 
> sometime this summer.  Hopefully they work as good as they say. 
>  
>
>     -------------- Original message --------------
>
>     > No matter where I plug it in, left or right ... it trips the
>     breaker. And when
>     > I plug the good one into the other side ... it does NOT trip the
>     breaker. So,
>     > it must be the module.
>     >
>     > ________________________________
>     >
>     > From: reflector-bounces at tvbf.org on behalf of Randy Wharton
>     > Sent: Sat 2/26/2005 1:08 PM
>     > To: 'Velocity Aircraft Owners and Builders list'
>     > Subject: RE: REFLECTOR: LIGHTSPEED IGNITION PROBLEM
>     >
>     >
>     > The first thing I would check, Tom, is the breaker. Maybe the
>     ignition module is
>     > ok.
>     >
>     >
>     > ________________________________
>     >
>     > From: reflector-bounces at tvbf.org
>     [mailto:reflector-bounces at tvbf.org] On Behalf
>     > Of Tom Martino
>     > Sent: Saturday, February 26, 2005 3:06 PM
>     &! gt; To: reflector at www.tvbf.org
>     > Subject: REFLECTOR: LIGHTSPEED IGNITION PROBLEM
>     >
>     > My first major squawk came yesterday while coming in for the
>     final landing of
>     > the day. The left Lightspeed ignition module simply popped a
>     breaker.
>     >
>     > I began troubleshooting today and verified that there are no
>     shorts or problems
>     > with the wiring. And before this the engine purred perfectly.
>     >
>     > Its this simple: when I plug in the left module -- it pops the
>     breaker.
>     >
>     > This concerns me a bit, since the modules don't have but a dozen
>     hours on them.
>     > Has anyone ever had such a failure? For no apparent reason?
>     >
>     > I looked inside the module and it is as clean as a whistle ...
>     no burnt traces,
>     > no foreign objects, no bare wires, etc.
>     >
>     > I had them mounted on the cabin side of the firewall, just above
>     the main spar.
>     > They were not too cold, nor too hot ... and I! don't believe
>     there is enough
>     > vibration there to affect the solid state components ..
>     >
>     > BUT HEY ... SOMETHING WENT WRONG!!??
>     >
>     > Any ideas. I will be contacting Klaus.
>     > 
>
>
> ------------------------------------------------------------------------
>
> Subject:
> RE: REFLECTOR: LIGHTSPEED IGNITION PROBLEM
> From:
> "Tom Martino" <tmartino at troubleshooter.com>
> Date:
> Sat, 26 Feb 2005 20:41:23 +0000
> To:
> "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>
> To:
> "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>
>
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