Mailing List flyrotary@lancaironline.net Message #21724
From: Russell Duffy <13brv3@bellsouth.net>
Subject: Tracy's and Bruce's style intakes
Date: Tue, 10 May 2005 19:15:27 -0500
To: Flyrotary List <flyrotary@lancaironline.net>
Message
Greetings,
 
I guess I'm leaning toward building a new intake, and I'm thinking of following what Tracy has done, which is also similar to the intake that Bruce is selling.  This certainly seems like the easy way to go, especially if I make it square like Tracy's.  Does anyone have any better pics of either of these?   I've seen the pics on Tracy's page, and also the one that I think Bob White posted to the list.  
 
At first, it would seem wrong to make this square, but since Tracy used air horns inside the box, that seems to make it OK to me.  The box itself is just a big plenum, or reservoir of air, so if it's big enough, I'm guessing the shape doesn't matter that much. 
 
Bruce's, seems to be more conservatively sized.  The main "log" portion is about the sized of the TB, and the pipes go off the rounded body of the intake.  If I'm not mistaken, I've seen this sort of shape on intakes for cars in the past, so it must work OK.
 
One thought that comes to mind is to make the intake body like Tracy's, but with the injectors inside the box, pointing into the intake tubes, ala Jerry Hey.  It would be nice to have all the injectors contained in the box in case one decides to leak. 
 
Sorry for the rambling, just looking for ideas. 
 
Cheers,
Rusty (single rotor on the way from the Ebay guy)
 
 
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