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And you think MAZDA Rotor bits are $$

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Old Apr 3, 2018 | 01:42 AM
  #1  
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And you think MAZDA Rotor bits are $$

https://www.ebay.com/itm/Mercedes-Be...0AAOSwxcRW-q9g

Bit of deutchland Unobtainium in the form of NOS Benz C111 proto-rotor housing and rotor. Yours for $14Large...
Now, if I can just track down the other 3 sets...



Stu Aull
80GS
AZ
Attached Thumbnails And you think MAZDA Rotor bits are $$-c111-rotor.jpg   And you think MAZDA Rotor bits are $$-s-l1600.jpg  
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Old Apr 3, 2018 | 05:36 AM
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Don't tell me your hoarding Mercedes Rotary parts now too?
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Old Apr 3, 2018 | 07:19 AM
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Interesting. Not a lot of cooling in that prototype!
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Old Apr 3, 2018 | 07:23 AM
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Originally Posted by Toruki
Interesting. Not a lot of cooling in that prototype!
Thats exactly my first thought when I saw it. Obviously, MAZDA got it right!
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Old Apr 4, 2018 | 02:02 AM
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Originally Posted by Banzai
Don't tell me your hoarding Mercedes Rotary parts now too?
d-OH!
Chris, you see my Master Plan....
;D
________
Cooling. Or lack of. Yeah! how they kept 4 of these happy on the track is a mystery to me too. Cosmos were blitzing around at the time so its not like MB couldn't crack an L10 open and see How Its Done Right...

Stu Aull
80GS (now running cool on Evans)
AZ
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Old Apr 4, 2018 | 05:39 AM
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Neat stuff Stu!! If only we could afford to hoard all of the neat Mercedes prototype stuff......I know I would lol!
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Old Apr 4, 2018 | 08:01 AM
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Dave you'd hoard everything if you could! Then again... so would I lol
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Old Apr 4, 2018 | 09:34 AM
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Sean I like your style!!!
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Old Apr 5, 2018 | 01:28 AM
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Originally Posted by mazdaverx713b
Neat stuff Stu!! If only we could afford to hoard all of the neat Mercedes prototype stuff......I know I would lol!

The SA Hoarding keeping me busy. and broke.

Stu Aull
80GS
AZ
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Old Apr 5, 2018 | 10:04 PM
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Originally Posted by 7aull

The SA Hoarding keeping me busy. and broke.

Stu Aull
80GS
AZ
Hey, wait..... you can't hoard what you don't have access to, right? Or.... maybe leaving all of those parts in AK was part of your MASTER plan of delayed gratification..... MUHAAAAAA!
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Old Apr 6, 2018 | 02:02 AM
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Originally Posted by RCCAZ 1
Hey, wait..... you can't hoard what you don't have access to, right? Or.... maybe leaving all of those parts in AK was part of your MASTER plan of delayed gratification..... MUHAAAAAA!
I shake my fist in your general direction, Tim!
If Superman can have an arctic Fortress o' Solitude, I can have a Fortress o' SA-itude, no?

;D
Stu Aull
80GS
AZ (with some bits in AK. Still...)
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Old Apr 6, 2018 | 10:35 PM
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In the first pic, the little port at the top of the housing is in the compression area. Was this direct injection?
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Old Apr 6, 2018 | 11:39 PM
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^ and only one spark plug?
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Old Apr 6, 2018 | 11:58 PM
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Looks like it:



More photos are in this Hemmings article

Last edited by j_tso; Apr 7, 2018 at 12:04 AM.
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Old Apr 7, 2018 | 01:43 AM
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Thanks for the C111 Hemmings link j_
!
quoted MB engineer in article:
“Our four-rotor engine with gasoline injection represented the optimum of what could be reached with this engine concept."
So it as mechanical fuel injection I think.
Then he went on to whine about the crappy fuel economy:
"Due to the elongated, not exactly compact combustion chambers, fuel economy was poor, resulting in high fuel consumption and unacceptably high pollutant emissions. These drawbacks were inherent in the design principle,” remembers Dr. Kurt Obländer, the head of engine testing for the C111 project.

I understand the last of the C111 cars (there were...4?) was finally used as a test bed for...diesel engines. Oh the ignominy!



Stu Aull
80GS with 2 fewer rotors
AZ
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