Mailing List flyrotary@lancaironline.net Message #18681
From: Paul <sqpilot@bellsouth.net>
Subject: Re: [FlyRotary] Re: peripheral ports
Date: Sun, 13 Mar 2005 11:58:59 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
 
----- Original Message -----
Sent: Sunday, March 13, 2005 10:30 AM
Subject: [FlyRotary] Re: peripheral ports

 
----- Original Message -----
From: Paul
Sent: Saturday, March 12, 2005 6:57 PM
Subject: [FlyRotary] peripheral ports

Hi, all....I need to make an inquiry regarding peripheral ports.  I understand that the housings get the round peripheral ports installed, and that the exhaust port is also modified to complete the P-Port modification to the rotor housings.
     What, if anything needs to be done to the existing center and end plates?  If I purchase a set of p-ported housings, can I use the e-shaft and rotors from either my 1989 4-port turbo engine with it's 9.0 compression rotors, or the e-shaft and rotors from my 1988 NA 6-port engine with it's 9.4 compression rotors?  Or would I be better off using the street-ported 4-port center and end plates? I asked Paul Lamar, but I didn't understand his short answer.  He mentioned epoxy, but is that for the p-port housings or do you block off the ports in the front, rear and center plates that have the triangular ports in them?  Thanks in advance for all replies.  Unfortunately, I am not familiar with the internals of this engine, and how the stock porting works (or doesen't work) with peripheral ports.   Paul Conner
 
Paul,
 
with the combustion mixture comming in through the P-P opening you do not need any of the side ports. In addition, the engine would not even run with both. I tried it, have positive prove. So there is not things like street porting or two or for port etc. since all these refer to side ports. P.L. was saying, the side ports in the side housings are being closed in a P-P using epoxy. Ideally, a side housing without any ports to begin with would be nice. This may become available if and when my single rotor is perfected and I make a configuration useable on a two rotor. Don't hold your breath.
 
Hope this helps.
 
Richard Sohn
N-2071U
 
Thanks, Richard....I may just order the Racing Beat lightweight aluminum housings. They are available unported, stock ported or street ported, etc.  Paul Conner
 


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