X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp1v2.av-mx.com ([137.118.16.32] verified) by logan.com (CommuniGate Pro SMTP 6.0.6) with ESMTP id 6430893 for flyrotary@lancaironline.net; Sat, 17 Aug 2013 17:28:23 -0400 Received-SPF: pass receiver=logan.com; client-ip=137.118.16.32; envelope-from=res12@fairpoint.net Received: from localhost (localhost [127.0.0.1]) by smtp1v2.av-mx.com (Postfix) with ESMTP id 792F4400CBE for ; Sat, 17 Aug 2013 17:27:38 -0400 (EDT) X-Virus-Scanned: amavisd-new at av-mx.com Received: from smtp1v2.av-mx.com ([127.0.0.1]) by localhost (smtp1v2.av-mx.com [127.0.0.1]) (amavisd-new, port 10124) with ESMTP id L5m5GvRr3jzB for ; Sat, 17 Aug 2013 17:27:37 -0400 (EDT) Received: from MAIN (dflo-66-243-230-95.gtcom.net [66.243.230.95]) (Authenticated sender: res12@fairpoint.net) by smtp1v2.av-mx.com (Postfix) with ESMTPA for ; Sat, 17 Aug 2013 17:27:37 -0400 (EDT) Message-ID: <1E2148D8B2CD4B7488C84450ADCED6B7@MAIN> From: "Richard Sohn" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Single Rotor Update Date: Sat, 17 Aug 2013 16:27:28 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0057_01CE9B66.AA858690" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 16.4.3508.205 X-MimeOLE: Produced By Microsoft MimeOLE V16.4.3508.205 This is a multi-part message in MIME format. ------=_NextPart_000_0057_01CE9B66.AA858690 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable This is not what I am seeing with the TBI.=20 Richard Sohn N2071U http://www.fairpoint.net/~res12/home.html From: Patrick Panzera=20 Sent: Saturday, August 17, 2013 3:55 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Single Rotor Update These types of carbs (Ellison, Posa, Lake, Revflow, AeroCarb) all need = the mixture readjusted at each throttle setting. The best thing you = could do is to add an O2 sensor. =20 http://www.n56ml.com/corvair/o2meter/ Pat On Fri, Aug 16, 2013 at 7:44 PM, Richard Sohn = wrote: Another update, hopefully the last one on the engine. The problem with the ROTEC TBI (Ellison) has been solved. It turned = out that a statement by the manufacturer is not fully correct, if not = misleading. My problem was engine cut out at WOT. This only occurred at high speed = taxi, not on the test stand. ROTEC statement:=94 Because the TBI has no float bowl, it will work in = any orientation, even upside down=94 =20 I found out that if the slide throttle is horizontal in a side draft = configuration, you can encounter the problems I had.=20 The problem showed up, with the slide throttle 5deg down at the = =93open=94 end. This is the difference between the horizontal = orientation on my test stand and the installation in the tail dragger on = the ground. I solved the problem with orienting the TBI 45deg up on the =93open=94 = end, after testing all variants I could imagine. This change included a = unique double acting Bowden cable throttle.=20 The last two straight TOL worked flawless. Richard Sohn N2071U http://www.fairpoint.net/~res12/home.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_0057_01CE9B66.AA858690 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
This is not what I am seeing with the TBI.
 
Richard=20 Sohn
N2071U

http://www.fairpoint.net/~res12/home.html
 
 
Sent: Saturday, August 17, 2013 3:55 PM
Subject: [FlyRotary] Re: Single Rotor = Update
 
These types of carbs (Ellison, Posa, Lake, Revflow, = AeroCarb) all=20 need the mixture readjusted at each throttle setting. The best thing you = could=20 do is to add an O2 sensor. =20
 
http://www.n56ml.com/corva= ir/o2meter/
 
Pat


On Fri, Aug 16, 2013 at 7:44 PM, Richard Sohn = <res12@fairpoint.net> wrote:
Another update, hopefully the last one on the engine.
 
The problem with the ROTEC TBI (Ellison) has been solved. It = turned out=20 that a statement by the manufacturer is not fully correct, if not=20 misleading.
My problem was engine cut out at WOT. This only occurred at high = speed=20 taxi, not on the test stand.
 
ROTEC statement:=94 Because the TBI has no float bowl, it will = work in any=20 orientation, even upside down=94 
I found out that if the slide throttle is horizontal in a side = draft=20 configuration, you can encounter the problems I had.
 
The problem showed up, with the slide throttle 5deg down at the = =93open=94=20 end. This is the difference between the horizontal orientation on my = test=20 stand and the installation in the tail dragger on the ground.
 
I solved the problem with orienting the TBI 45deg up on the = =93open=94 end,=20 after testing all variants I could imagine. This change included a = unique=20 double acting Bowden cable throttle.
The last two straight TOL  worked flawless.
 
Richard Sohn
N2071U

http://www.fairpoint.net/~res12/home.html
 

--
Homepage:  http://www.flyrotary.com/
Archive and = UnSub:  =20 http://mail.lancaironline.net:81/lists/flyrotary/List.htm= l

 
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