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Subject: Re: [FlyRotary] Re: Pport/cold side injectors
From: Ernest Christley <echristl@cisco.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Date: Fri, 21 Jan 2005 08:48:46 -0500
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On Thu, 2005-01-20 at 20:41, Jerry Hey wrote:
> Thanks Ken,   I want to try to make cold side fuel injection  work. 
> Idon't see any reason, YET,  that would indicate the system would
> notwork.  But if it does not work, then I will COPY  your set up.  
> 
> I have seen carburetor intakes on P Ports with about  a  12 inch
> runner made from a 90 degree sweep.   They were turning out  huge
> power.    Jerry
> 

Check the FlyRotary archives.  There was some discussion of long runners
a while back.  I forget who it was, but they found that the fuel will
'distill' in the runners.  The lighter compounds get sucked out and
ingested immediately.  The heavier parts fall behind and get taken in as
clumps.  The end result was that the engine wasn't breathing a nice even
mixture, but a uneven combination of light petroleum gasses and balls of
oil.

At least that is how I understood it all.