Hello. Have you ever seen this company?
http://www.wankelsupertec.de/en_index.html

They make some light weight engines. Maybe the 2 rotor 350 engine is
a good choice  for aircraft application.

Regards Kenneth Martinsen

Yes I spoke with  them at Aero. However I have never seen one run.

Paul Lamar


Those are some very good looking engines!

Dan Gorsline

IMHO There is a major flaw. The rotor bearing needs to be much wider
for this reason. See the attached JPG. This was discovered over a 100
 years ago. It amazes me engine designer still make this mistake.

This limits the RPM and manifold pressure both of which create HP.

It is from Taylors books on engine design. This is the bible of
engine design and every engine designer should read it.

http://www.rotaryeng.net/books10.html

The Internal Combustion Engine in Theory and Practice.

Volume 1: Thermodynamics, Fluid Flow, Performance. Second Edition
Revised.

Volume 2: Combustion, Fuels, Materials, Design. Revised. Charles
Fayette Taylor. The MIT Press Cambridge Massachusetts, and London
England.

BTW Dan, please add your last name to your messages.  Out of the 900
 people on here we have many Dan's.

Paul Lamar



Hi Paul, Yes, those plain bearings certainly appear to be too narrow.
Higher oil pressure may overcome lack of load bearing capacity
somewhat (possibly). I did not notice any O rings, are they in the
side plates ? does this engine rotate in the opposite direction ?
Chris Hoskins.

Most of that is just mock ups. It has been around for at least five
years and I have never heard of one running.

Paul Lamar




Hello

I worked for three years at WST as product manager, the engines runs really!
But it is hard to buy one, they love their work to much ;-)
Most of the handmade samples are dumped by
"secret-skunk-works-customers"....

One test-series is now out for trials as APU-preheater-generaterset for
diesel-railway-engines.
http://www.lr-online.de/storage/scl/xmliosimport/wir/3380184_m1t1w500q75v47964_201504281435-GHA5GIK42.1-ORG.jpg?version=1430961254

http://www.lr-online.de/nachrichten/wirtschaft/Cottbuser-Wankel-auf-Dieselloks;art1067,5016240

It is the small block-wankel, turbo carged and as diesel. Hopefully this
lil-jewel breaks out the lab and will be manufactured in big numbers.
Would be the long eagerly awaited kerosene two rotor-LSA engine.

Claude


Unless some one with no axe to grind can buy one and test it the
claims will remain just claims.

I have my doubts.

Also I am not waiting for a carcinogenic diesel engine to fly behind :-)

Paul Lamar


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