Return-Path: Received: from web41524.mail.yahoo.com ([66.218.94.131] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with SMTP id 723244 for flyrotary@lancaironline.net; Thu, 10 Feb 2005 02:21:53 -0500 Received-SPF: none receiver=logan.com; client-ip=66.218.94.131; envelope-from=tomtugan@yahoo.com Received: (qmail 19614 invoked by uid 60001); 10 Feb 2005 07:21:08 -0000 Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; b=A7HCFzxSySzYwIklKiMLsJ7wtShpb8IUXmUTHTuR+YRQkBK0ZNXTRY9usZQJwzFoVII0uDiYVo8I6WA0QZzuQFxeAviVZ9+L5ulDsW1xoaizqMlbI2gkJ/dTxhSHHAM9i1k5mmI1PVru7+MInb1qWcfWr5PyQ80L4bHqGUeefWA= ; Message-ID: <20050210072108.19612.qmail@web41524.mail.yahoo.com> Received: from [63.224.93.112] by web41524.mail.yahoo.com via HTTP; Wed, 09 Feb 2005 23:21:08 PST Date: Wed, 9 Feb 2005 23:21:08 -0800 (PST) From: Tom Subject: Re: [FlyRotary] Re: P port intake To: Rotary motors in aircraft In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-1339997869-1108020068=:17519" --0-1339997869-1108020068=:17519 Content-Type: text/plain; charset=us-ascii Sorry. Ok, it's not the residue that would be a problem, it's the back pressure in a combined intake system. Tom wrote:That is interesting Ed. Just thinking about it and now it would seem that the expelled residue would be the first thing that got sucked back thru a dedicated runner, also having a negative effect. Ed Anderson wrote: Tom, One reason that Jerry would not want to do that is that there is overlap between intake and exhaust. That means while one rotor is trying to suck air in its intake port - the intake port of the other rotor may be expelling some residue exhaust gas out its intake and opposing any incoming air. I think the engine would certainly run but I don't think you would develop best power. Now it would probably be a different story with the Renesis which by moving the exhaust ports to the side housings has eliminate the exhaust/intake overlap. FWIW Ed A ----- Original Message ----- From: Tom To: Rotary motors in aircraft Sent: Wednesday, February 09, 2005 8:58 PM Subject: [FlyRotary] Re: P port intake Jerry, Since only one rotor chamber is drawing fuel/air at any given time, why would you not feed them both from a single throttle body? Tom Jerry Hey wrote: George, originally I was going to hook up with a piece of hose over the butted pieces with a couple of hose clamps. That is how I will attach the other end at the throttle bodies. But, we have been considering welding and also building some type of flange. Certainly, for starters I will use the hose and clamp method. Jerry On Wednesday, February 9, 2005, at 08:43 PM, George Lendich wrote: > Jerry, > Is that a but weld, OR does the tube go into the bellmouth end OR a > flange that they both go into. > George ( down under) > > ----- Original Message ----- > From: Jerry Hey > To: Rotary motors in aircraft > Sent: Thursday, February 10, 2005 9:35 AM > Subject: [FlyRotary] Re: P port intake > > Yes, it is 1.61 inches. > > > On Wednesday, February 9, 2005, at 05:39 PM, Tom wrote: > > Jerry, > Do you have an i.d. measurement for the narrow end? > > TIA > Tom > > Jerry Hey wrote: > > Today UPS brought the bell mouths for the P port intake. They are > three inches o.d. across and have a smooth gradual taper down to the > runner size ... > > > > > > > Do you Yahoo!? > Yahoo! Search presents - Jib Jab's 'Second Term' > --------------------------------- Do you Yahoo!? Yahoo! Mail - Easier than ever with enhanced search. Learn more. --------------------------------- Do you Yahoo!? Yahoo! Search presents - Jib Jab's 'Second Term' --------------------------------- Do you Yahoo!? Yahoo! Search presents - Jib Jab's 'Second Term' --0-1339997869-1108020068=:17519 Content-Type: text/html; charset=us-ascii
Sorry.  Ok, it's not the residue that would be a problem, it's the back pressure in a combined intake system.

Tom <tomtugan@yahoo.com> wrote:
That is interesting Ed.  Just thinking about it and now it would seem that the expelled residue would be the first thing that got sucked back thru a dedicated runner, also having a negative effect.

Ed Anderson <eanderson@carolina.rr.com> wrote:
Tom,
 
One reason that Jerry would not want to do that is that there is overlap between intake and exhaust.  That means while one rotor is trying to suck air in its intake port - the intake port of the other rotor may be expelling some residue exhaust gas out its intake and opposing any incoming air.  I think the engine would certainly  run but I don't think you would develop best power.  Now it would probably  be a different story with the Renesis which by moving the exhaust ports to the side housings has eliminate the exhaust/intake overlap.
 
FWIW
 
Ed A
----- Original Message -----
From: Tom
Sent: Wednesday, February 09, 2005 8:58 PM
Subject: [FlyRotary] Re: P port intake

Jerry,
Since only one rotor chamber is drawing fuel/air at any given time, why would you not feed them both from a single throttle body?
Tom

Jerry Hey <jerryhey@earthlink.net> wrote:
George, originally I was going to hook up with a piece of hose over the
butted pieces with a couple of hose clamps. That is how I will attach
the other end at the throttle bodies. But, we have been considering
welding and also building some type of flange. Certainly, for starters
I will use the hose and clamp method. Jerry





On Wednesday, February 9, 2005, at 08:43 PM, George Lendich wrote:

> Jerry,
> Is that a but weld, OR does the tube go into the  bellmouth end OR a
> flange that they both go into.
> George ( down under) 
>
> ----- Original Message -----
> From: Jerry Hey
> To: Rotary motors in aircraft
> Sent: Thursday, February 10, 2005 9:35 AM
> Subject: [FlyRotary] Re: P port intake
>
> Yes, it is 1.61 inches.
>
>
> On Wednesday, February 9, 2005, at 05:39 PM, Tom wrote:
>
> Jerry,
> Do you have an i.d. measurement for the narrow end?
>  
> TIA
> Tom
>
> Jerry Hey wrote:
>
> Today UPS brought the bell mouths for the P port intake. They are
> three inches o.d. across and have a smooth gradual taper down to the
> runner size ...
>
>
>
>
>
>
> Do you Yahoo!?
> Yahoo! Search presents - Jib Jab's 'Second Term'
>

Do you Yahoo!?
Yahoo! Mail - Easier than ever with enhanced search. Learn more.

Do you Yahoo!?
Yahoo! Search presents - Jib Jab's 'Second Term'

Do you Yahoo!?
Yahoo! Search presents - Jib Jab's 'Second Term' --0-1339997869-1108020068=:17519--