12 D


      2017.11.15

      Hello Paul,

      enclosed is an article about the RE for use in small aircraft. The
      engines are a bit expensive but nearly "ready to install".

      Production has started, so perhaps you like to start some kind of
      import business ... ;-)


      With kindest regards

      Franky / Frank Herfert

      That looks great. Now they need to get the two rotor certified for
      Light Sport category in the US and Australia. I will promote the heck
      out of it for no cost on the 750 member news letter. Finally somebody
      got smart !!!!!

      They are not too expensive. Actually lower cost than the Rotax 912
      and 914.


      http://www.geiger-motor.de/

      Finally!!!!!


      Paul Lamar




      I'm curious about the statement towards the end of the Geiger piece
      that they intend to release a product for the drone market that uses
       diesel/kerosene market presumably using compression-ignition. From
      some of your previous postings,  I believe you are very skeptical of
       c-i in rotary designs. Bob Ripley

      Well it will run but there is no fuel saving compared to gasoline.

      Paul Lamar


   Hopefully we will have some insight into how they are doing the internal
   rotor cooling that they talk about. They say they’re working with
   Engiro. Perhaps the Woelfles can comment?

   And Paul, there is a *huge* fuel saving compared to gasoline, if you
   have to fly barrels of gasoline in when everything else runs on JP4 or
   diesel…

   David Josephson

   You sound like you have read a book on the pacific war :-) Where are we
   fighting that gasoline is not readily available?

   I hope they were not dumb enough to use charge cooling.

   Paul Lamar


   Hi Paul
        The engine to go for would be the Norton rotary. Their chief
   engineer is somewhat of a genius. He solved the charge cooling problem
   by WATER COOLING the E shaft. Their motor puts out 200HP. There is
   footage on u tube of it BOY does it GO.
        Chris. Hoskins

   He (Norton)  did not event that.
   That was done by Wankel.

   On second reading of the Geiger PDF it sounds like they are oil cooling
   the rotor.

   Paul Lamar



   Paul, that hollow e-shaft would better serve as the feed for the cooled OIL returning from the oil cooler and to the bearings and rotor spray.

Bill Jepson

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