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RE: Laser Ignition / cam profiles

To: <wester6935@comcast.net>, "Keith Turk" <kturk@adelphia.net>,
Subject: RE: Laser Ignition / cam profiles
From: "Dave Dahlgren" <ddahlgren@snet.net>
Date: Wed, 23 Feb 2005 11:26:54 -0500
Can you say Rotary??
With Direct injection?
Dave

> -----Original Message-----
> From: owner-land-speed@autox.team.net
> [mailto:owner-land-speed@autox.team.net]On Behalf Of
> wester6935@comcast.net
> Sent: Wednesday, February 23, 2005 11:03 AM
> To: Keith Turk; DrMayf; Bryan Savage; List Land Speed
> Subject: Re: Laser Ignition / cam profiles
>
>
> In racing ... like comedy ... timig is everything.
>
> I see this as a potential cam grinders problem.  When 50% of your
> power comes at what would have to be at least 1 degree after TDC,
> the problem and the additional power to be gained is in the
> remaining burn before the exhaust valve opens.  I can imagine
> some wild cam lobe profiles.
>
> Would this technology work better with some other valving?
> Desmodromic valve control or some of the other valving systems
> suggested over the years that are totally impractical when
> compared with the current OHV engines?
>
> I can see some HUGE HP increases and some major engine damage
> depending on exact timing vs. something slipping to advance a
> very few degrees.
>
> Wes
>
>
> > Brian.... I went back and re-read your original post.  Let me see if I
> > understand what your saying....
> >
> > Basically the laser would sweep the combustion chamber igniting the fuel
> > over an arc .... and the combustion process would be a more compete
> > exercise... and could be precisely timed event?  Even more
> accurate then the
> > current Spark technology because it would ignite  more of the
> fuel in the
> > instantaneous moment desired?  all of this happening at the
> speed of light
> > in a 4" chamber?
> >
> > Here's a moment to pitch the " Box " out and join Jack's circle....
> >
> > Keith






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