Hi Paul. Did was there ever version of diesel rotary? Thanks.

Not so far.

Paul Lamar..... In Parkes NSW


Is it possible for me to order a custom made rotor with compression
ratio of 18:1? I could come up with way to adapt pump and injectors
to it. The biggest concern with diesel is the turbulent of the
combustion chamber however. Do you think the rotor action can make
complete fuel burnt possible? Do you see any draw back with a diesel
rotary base on the 13b? Thanks.

Leman Wings

Not possible. A depression in the rotor face is necessary to allow
combustion.

Paul Lamar

I guess that also from purely geometrical reasons, a single stage
Wankel RCE
can't attain such a high CR, the top limit is described somewhere,
but I don't
remember where; anyway, there's an old photo of people in MAN machining
a very big size rotor, that If I remember well has no or little
combustion recess.
In the 1981 K Yamamoto book? In the 'Wankel motor und sein erfinder'
site?
Thanks for your attention. Best regards. Salut

Jose Gros-Aymerich
28033 Madrid, Spain


Jose,

It appears the rotor in the first pic is still being machined, looks like a giant lathe behind it. The rotor being placed in the housing the second pic very clearly has a large and long depression, much larger than Mazda's.

-Dan G.




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