Mailing List flyrotary@lancaironline.net Message #7975
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Re: What should you expect was : first flight Tracy's old prop.
Date: Mon, 10 May 2004 08:05:09 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
I talked to the guy who sells the new Mistral rotary engine, and he said that my intake is very similar to what they were using.  They are presently changing it to relocate the injectors very close to the intake of the engine, however it will still have the wrap-around intake like we have with the throttlebody on the cold side of the engine.  I have a picture that he sent to me if you are interested.  Paul Conner 
 
Hi Paul,
 
I'd be interested to see the picture of their setup.  I've thought about moving the injectors also, and keeping the existing intake as is for air delivery.  The primaries would fit fine, but I'd have to get creative with the fuel rails to keep from interfering with the runners.  Does anyone have an extra primary fuel rail they would sell me?   There are a couple of flat bosses on the side of the intake, where the secondary goes into the engine.  I'm sure it would be possible to bore a socket for the secondaries into those bosses.     
 
This would certainly fix the throttle response issues, but would it help the power?  I can certainly imagine that it might.  It might also be the easiest thing to try first.  
 
I still can't get Finn's idea out of my head.  If a thick plate could be fashioned to house injectors, and butterflies, it would be an easy matter for each builder to run the air intake tubes as needed.  I just love the idea, but don't see how I can make the butterfly part of it.  Still thinking...
 
Cheers,
Rusty
 
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