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-   -   Laser ignition? (https://www.rx8club.com/general-automotive-49/laser-ignition-237256/)

Rote8 08-21-2012 05:38 PM

Laser ignition?
 
What is everyone's guess?

My guess is two lasers, on the same frequency, will meet in the center of the combustion area, the heat remains while the monochromatic light cancels out.

RIWWP 08-21-2012 05:40 PM

Is this prompted by a new piece of information? Been quite a while since we have seen it referenced in an article.

All sorts of ways it could happen. Why would the light itself need to be canceled?

monchie 08-21-2012 07:04 PM

Laser ignition? Never heard of it until now. I need more info about this thing. Or maybe, I'll do my own research about this Laser Ignition, thanks anyway.

ARK 08-21-2012 11:23 PM

Any new developments on this? Last I heard of it was in the early 2000's. I just don't see how you could keep the optic needed to pass the light into the combustion chamber clean enough to function well long term.

The way these things would work is to focus the laser to a small but intense spot hot enough to cause ignition (think burning ants with a magnifying glass) - so you really only need one laser and the frequency (color) doesn't matter much.

RIWWP 08-22-2012 06:04 AM

Mazda has filed a few patents on it, and there have been various rumor mill magazine articles over the past few years about the possibility that the next rotary will have laser ignition.

In practice, I don't think the 'clean combustion chamber' is really all that much of a problem for a rotary, since it can use the same concept as the exhaust porting for an "ignition port", that is only exposed by the rotor for a brief moment (and can get more and more creative if you consider grooves or channels or differently shaped edges to the rotors, etc...), and the laser doesn't have to be in the iron due to mirrors. I would expect the greatest challenge would be durability and longevity. If you think your ignition is expensive now, wait till you have laser ignition :lol: Mazda would have to make them pretty much lifetime never fail under some pretty harsh conditions.

bulletproof21 08-22-2012 08:47 AM


Originally Posted by monchie (Post 4333371)
Laser ignition? Never heard of it until now.

really? it must have been discussed in one of the three threads on this forum you havent posted in.

RIWWP 08-22-2012 08:52 AM

:lol: :rollingla

You are assuming that he actually reads before he posts.

200.mph 08-22-2012 08:56 AM


Originally Posted by RIWWP (Post 4333687)
:lol: :rollingla

You are assuming that he actually reads before he posts.

qft and lulz

paimon.soror 08-22-2012 09:21 AM


Originally Posted by bulletproof21 (Post 4333683)
really? it must have been discussed in one of the three threads on this forum you havent posted in.

win

nycgps 08-22-2012 10:12 PM

monchie ...

ken-x8 08-23-2012 01:23 AM


hot enough to cause ignition (think burning ants with a magnifying glass)
:: BOSSMONSTER GAMES :: ANTCITY

comebackqid 08-23-2012 01:49 AM

MAZDA:16X | The Rotary Engine

A laser ignition system was/is supposed to be on the next rotary engine. very curious how this is supposed to work myself, couldn't imagine how much it would cost to replace a laser ignition system.

gfailure 08-23-2012 03:32 AM

Admit it, we all want that if nothing else so we can say "My car uses lasers!". I suppose Mazda will have to change Zoom-Zoom to Pew-Pew also ey?

Rote8 08-24-2012 09:27 PM


Originally Posted by RIWWP (Post 4333312)
Is this prompted by a new piece of information? Been quite a while since we have seen it referenced in an article.

All sorts of ways it could happen. Why would the light itself need to be canceled?

Otherwise, the laser would eat right through the side of the engine.
The two identical frequency laser's light cancels each other out where they meet, leaving only the heat.

RIWWP 08-24-2012 09:32 PM

Hmm. I admit I am no where near an expert on lasers, but isn't it the heat that lasers cut with? Not sure how the light itself would eat through the engine. Also having a mirrored or defracting/defusing surface in line with the laser seems like it solve the problem as well, and if it gets carboned then it just eats the carbon until it gets scattered again. :dunno:

You may know more about this than I.

Brettus 08-24-2012 11:14 PM


Originally Posted by monchie (Post 4333371)
Laser ignition? Never heard of it until now. I need more info about this thing. Or maybe, I'll do my own research about this Laser Ignition, thanks anyway.

Search : sharks with "lasers" strapped to their heads !

Brettus 08-25-2012 02:18 AM

yep - just bolt those lasers on and you'll be good to go . :suspect:


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