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Diesel Rotary?

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Old Jan 4, 2003 | 04:48 AM
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Question Diesel Rotary?

Is this anywhere close to possible?
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Old Jan 4, 2003 | 05:02 AM
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It's been done a few times. I don't know any information about it really though, but it seems like guys who have rotary boats have done it, so I did some quick searches on Google and picked up these links:

http://www.smartplugs.com/engines/ro...nglerotary.htm

http://www.boatingnews.com/rotarymarine.htm

http://www.rotarypowerinternational.com/PR020714.htm
http://www.rotarypowerinternational.com/
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Old Jan 4, 2003 | 09:22 AM
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Re: Diesel Rotary?

Originally posted by gnobesav
Is this anywhere close to possible?
I personaly witnessed Cameron(Pettit racing) run a 12A on diesel!
Give him a call.

Crispeed
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Old Jan 4, 2003 | 12:59 PM
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Why?
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Old Jan 4, 2003 | 04:58 PM
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Friend of mine with a BRT (Big Red Truck) aka Dodge Ram 2500 Turbodiesel wanted to know. He's a diesel nut :o
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Old Jan 4, 2003 | 09:48 PM
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Originally posted by Ryde _Or_Die
Why?
thats my question... why in the hell would you want to do something like that
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Old Jan 4, 2003 | 09:52 PM
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Since diesels run basically off of detonation..........what do they do differently to keep the apex seals in one peice.
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Old Jan 6, 2003 | 05:55 PM
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Originally posted by silver3rdgen
Since diesels run basically off of detonation..........what do they do differently to keep the apex seals in one peice.
People have some kind of strange idea of what detonation is. Both are internal combustion engines and run based on an explosive release of energy. Diesel engines do not run off of detonation, combustion is initiated by high compression. It is different. The reason that detonation is so damaging is that there is a collision of two flame fronts and the combustion is uncontrolled.

A diesel rotary is an interesting concept. I think the diesel may better compliment the rotary's poor thermal efficiency but I would think that soot might be a problem with the free movement of the seals. These are just guesses.
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Old Jan 6, 2003 | 10:32 PM
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I am more interested in the hydrogen technology. That is where the future is most likely going to be.
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Old Jan 7, 2003 | 01:22 AM
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Hmmmm. Yeah they seem closer to finding a feasable storage solution for hydrogen than to finding appropriate batteries to run electric vehicles with. Fuel cells look interesting but still probably further away from being practical than internal combustion engines running on a more renewable fuel.

Wouldn't it be great if the US could suddenly cut off all oil dependence on the so-called "oil rich" countries who have little manufacturing base and really only offer a cash crop to the world market? Just think of the ramifications.
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Old Jan 7, 2003 | 07:26 AM
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Originally posted by Scalliwag
I am more interested in the hydrogen technology. That is where the future is most likely going to be.
I found this to be pretty interesting:
http://journeytoforever.org/biodiesel_make.html

Burns cleaner than diesel (lower emmissions & no soot) with better lubricity from recycled french fry oil!

Now, a 12a 1st gen biodiesel machine would be an interesting project...
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Old Jan 7, 2003 | 10:25 AM
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I wonder what it smells like when it burns though. It may smell like a deep fryer!
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Old Jan 7, 2003 | 01:00 PM
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I've been told it smells like french fries.
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Old Jan 7, 2003 | 01:25 PM
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The sale of french fries would surely suffer if you seemed to be smelling them all the time. Then people would not be consuming enough french fries and recycled french frie oil would become scarce... hence, yet another oil shortage!
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Old Jan 8, 2003 | 02:05 AM
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http://www.monito.com I beleave they have a section on there talking about diesel rotarys... that site has ALOT of info on it... hasnt been updated in years though...
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Old Jan 10, 2003 | 01:18 PM
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I also thought about what it would be like to drive a rotary diesel. It would have mucho torque, and since it's easier to make rotaries rev (lighter components and less of them) I'm wondering what the redline would be (You might even be able to get 6000 which isn't bad at all for a diesel). It's just an interesting thought...but I'm strictly petrol anyway . If I had money to blow though I'd proly try it...
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Old Jan 10, 2003 | 03:34 PM
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while working at a VW shop, a biodeisel rabbit came in. It ran off of cooking oil that he got from restaraunts (for free!!!). Yes it does smell like french frys. the disadvantage to this is that you would become very hungry driving the thing. If you are on a diet, DO NOT GO WITH THIS SETUP! although it did run quite well...
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Old Jan 12, 2003 | 07:49 PM
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I think Mazda shpuld make one. But, I would use a larger version of the rotary( maybe 21a w/huge rotors and high compression). It would have tons of torgue with that setup. With the 21a the engine wouldn't have to rev that high. Mazda could use this in the American truck market. Only problem is, Americans would never buy it. I would
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Old Jan 13, 2003 | 11:32 PM
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the problem i see with hydrogen is, what happens when you get blow by on an apex seal, and unless you use ceramic seals and housings you will need to inject oil to lubricate the seals. oil leads to carbon, carbon to low compression. low compression leads to boom boom for hydrogen. another question, when is the Hydrogen mixed with the oxygen??

Justin
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Old Jan 14, 2003 | 04:29 PM
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The only reason why diesel motors make so much torque is there is so much movieng mass combined with a real I comp ratio... I dont think a diesel 1.3 liter rotary would put out ANY torque compared to like a 7.3 liter ford power stroke... there are rotary engines that put out very large torque numbers... but there varey large motors...
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Old Jan 15, 2003 | 01:25 PM
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I'm pretty sure they tried making diesil rotaries back in the 60s and 70s, but it there was a substantial issue. (more than torque)
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Old Jan 15, 2003 | 02:10 PM
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There is a tidbit of info in the 1972 Automotive Encyclopedia about a diesel rotary. Just a tidbit though.
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