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Discussion Starter #1
I did search, so I am sorry if I am repeating anything, but I wanted to show a type of engine I read about a while back. It apparently has one cylinder to do the compression and another to do the power. It says that it can increase efficiency, provide the torque that a diesel would, and still leave much less pollutants than a regular gas engine.

http://machinedesign.com/ContentItem/72387/ItsLegitFuelSavingEngineTechnologyValidated.aspx

http://www.scuderigroup.com/technology/how_it_works.html

Again, hope I didn't repost,

Stephen
 

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Doesn't make sense to me how this works. :confused:

From what I'm gathering, they devided a 4cyl into pairs .... So in a pair, one cyl takes the job of intake and compression, and the other does the power and exhaust stroke?

Almost reminds me of a 2-stroke....
 

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I want to know how they manage to get the compressed intake charge for one cylinder to the other without losing a lot of pressure.
 

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I want to know how they manage to get the compressed intake charge for one cylinder to the other without losing a lot of pressure.
Ditto; if they're transferring this from one cylinder to another, there has to be some loss of efficiency just doing that as well...

-Rob
 

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Discussion Starter #5 (Edited)
Yeah, I didn't look into all the details, I just saw some of what it claimed it could do and thought it was an interesting concept. It would be really cool to see some in action versus all the CAD modeling.

Silenced, I believe that's what they said they were doing in the video (splitting of jobs per cylinder). I guess just looking at it I can see how it would work, but I was wondering the same thing as Greenbird, because they don't really expand on their "precharged valves" either. Anyhow, I think it is all theoretical as of now, but I would like to see it in action.

Stephen
 

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After reading their website, it does make sense. I would, however, agree that keeping the crossover passage charged would be problematic. Cross over inefficiencies could be alleviated by using a larger compression cylinder.
It's easy though, to make a drawing and a nice animation. I want to see a running prototype.

Peter M
 

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it seems the main problem is yir dragging around a bunch of dead cylinders. the rest of it makes sense but i dont see why you would need a tank to store the premixed fuel and air and why you would wanna fill toys or your tires with a compressed flammable gas!:eek:
 

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http://www.scuderigroup.com/technology/how_it_works.html
The above link is the second one listed at the top ,,, at the end of the artical it has a link that shows how it works in 3-D format ,, and they talk about it ,,, they allso talk about comp-ratio of up to 100-1 ,, somehting like that you wouldnt need a turbo or blower or a V-8 ,,, well maybe a V-8 but you would only need injectors for 4 so fuel use would be less. Like stated above ,, I would allso like to see a running prototype, with HP and TQ numbers. Makes me go Hmmm.
 

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Call me crazy, but I still wanna put a turbo on it....
 

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Discussion Starter #15
Well, they said later this year for a prototype, so I'm kinda pumped. That would be crazy to see a turbo'd version of that

Stephen
 

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you guys should check out this wacky torodial engine

Apparently they already have a working prototype but I can't figure out whether it's fake or just craziness.

http://www.angellabsllc.com/
details there.

-ghost
 
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