[Land-speed] Odd car related stuff...

[Bryan Savage]

Dave is correct, of course. I don't know what to call the ignition
management system on the new MB V-12.
Maybe a modified for the road, laboratory fuel-air igniter.
Thanks Dave


Neil came up with the name of the type plug that accomplishes the same
thing as the gee whiz one. I thing they came out in the '60's.
Thanks Niel.

I am now entering the quiet zone!
Bryan


Dave Dahlgren wrote:
> I think most passenger car systems are still inductive just replacing 
> a transistor in place of the points. The system will not generate a 
> voltage that is higher than the resistance at the plug gap. If you put 
> an ignition scope on an engine and play with plug gaps and watch the 
> voltage levels change. I am not so sure the billionth of a second 
> spark is a good idea because if you miss the chance to get the mixture 
> lit your chance for that cycle has passed. Conversely if you have a 
> long burn time at the plug you stand a better chance to catch the 
> mixture an lite it. This is how a magneto works.. and why they need a 
> small plug gap to start up. I am sure there are a few cd units on cars 
> but not convicted it is mainstream. With the advent of coil near plug 
> and coil on plug the need for the fast rise times of cd systems is 
> mitigated for the most part.
> Dave