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Date: Fri, 21 Jan 2005 09:24:11 -0500
Subject: Re: [FlyRotary] Re: Pport/cold side injectors
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From: Jerry Hey <j-winddesigns@thegrid.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
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Ed,  is anybody running an engine with Paul L's crossover intake?   If 
distilation is an issue, they would have experienced it too, 
presumably.  Jerry


On Friday, January 21, 2005, at 09:12  AM, Ed Anderson wrote:

> The Swiss Mistral rotary folks reported that when they went to long 
> runners
> that they believed they encountered  a "distillation" problem as Ernest
> mentioned.  Due to this problem they believed that they encounter 
> detonation
> with their turbo set up due to the "Low Octane" part being ingested at 
> a
> different time than the lighter high octane part of the fuel.  I am
> certainly not enough of a chemist to even know if this even sounds
> plausible.  However, the team did have a Chemist and that is what he
> reported.
>
> I must admit I'm a little bit skeptical of this mode as it would seem 
> that
> even if it happened you would have a continuos stream of light and 
> heavy
> elements intermixing between one injection period and the next.  But, 
> they
> certainly had the resources and inclination to look into the problem 
> and
> that was their conclusion.
>
> Ed A
>
>
> ----- Original Message -----
> From: "Ernest Christley" <echristl@cisco.com>
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Sent: Friday, January 21, 2005 8:48 AM
> Subject: [FlyRotary] Re: Pport/cold side injectors
>
>
>> 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.
>>
>>
>>
>>>>  Homepage:  http://www.flyrotary.com/
>>>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
>>
>
>
>
>>>  Homepage:  http://www.flyrotary.com/
>>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
>