X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from simmts6-srv.bellnexxia.net ([206.47.199.164] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTP id 3567820 for flyrotary@lancaironline.net; Thu, 02 Apr 2009 06:39:08 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.47.199.164; envelope-from=lacombr@nbnet.nb.ca Received: from simip9-ac.srvr.bell.ca ([206.47.199.87]) by simmts6-srv.bellnexxia.net (InterMail vM.5.01.06.13 201-253-122-130-113-20050324) with ESMTP id <20090402103827.SCVD1652.simmts6-srv.bellnexxia.net@simip9-ac.srvr.bell.ca> for ; Thu, 2 Apr 2009 06:38:27 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqsEAEow1EmOp0mL/2dsb2JhbACCKSzOA4N9Bg Received: from fctnnbsc14w-142167073139.pppoe-dynamic.nb.aliant.net (HELO PCdeRita) ([142.167.73.139]) by simip9-ac.srvr.bell.ca with SMTP; 02 Apr 2009 06:45:12 -0400 Message-ID: From: "Rino" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: RV10 Transition Training \ EM2 Date: Thu, 2 Apr 2009 07:38:16 -0300 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003A_01C9B365.FC778590" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6000.16480 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6000.16669 This is a multi-part message in MIME format. ------=_NextPart_000_003A_01C9B365.FC778590 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable It may be reading the engine power pulses. I had to use a damper to = remove the pulses. I use a small can where all my hoses are connected. Rino ----- Original Message -----=20 From: Bobby J. Hughes=20 To: Rotary motors in aircraft=20 Sent: Wednesday, April 01, 2009 7:10 PM Subject: [FlyRotary] Re: RV10 Transition Training \ EM2 Bill, I will put leak testing on my list. Bobby -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Bill Bradburry Sent: Wednesday, April 01, 2009 11:10 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: RV10 Transition Training \ EM2 If your pressure is dancing around with the throttle steady, I would = suggest you might have a leak in the induction system unless you are = right on the point where the EC-2 is switching between addresses. If the = fluctuation continues when you move the throttle slightly, I would think = leak. If you check for leaks, don't forget the tubing going to the = controllers and monitors. =20 Bill B =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Tracy Crook Sent: Wednesday, April 01, 2009 10:31 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: RV10 Transition Training \ EM2 One or two tenths is not significant (1 map address covers about 7 = tenths of manifold pressure) so that could not be the problem. Several = very rough spots is a major tuning problem. Tracy On Tue, Mar 31, 2009 at 10:26 PM, Bobby J. Hughes = wrote: That will work Tracy. I don't think I have major tuning problems but I = need to see the map table addresses and each rotors EGT to be sure. My = manifold pressure jumps around one or two tenths and is hard to hold at = a constant setting. The mixture is manually adjustable to 7500 rpm or = 34" + depending on prop settings. But I have several very rough spots = that would keep me from flying. My manifold pressure ports are located = in the super charger discharge manifold and I suspect they are seeing = pulses. =20 Bobby =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Tracy Crook Sent: Tuesday, March 31, 2009 6:06 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: RV10 Transition Training \ EM2 Hello Bobby, I can have your EM3 ready in a week if that works for you. Always = remember that autotune is not a fix for major tuning problems. If there = is a significant snag in the EC2/3 tuning , it means that something is = wrong or that the tuning procedure is not fully understood. Always find = out which it is before flight. Tracy On Tue, Mar 31, 2009 at 12:26 PM, Bobby J. Hughes = wrote: I completed another major milestone this weekend in preparation for = first flight. All I can say is holy s***. I flew with Alex D just south = of Dallas. With the IO-540, 3 adult males, full fuel and air conditioner = we where seeing 2k per minute climb rates. This plane is amazing. = Hopefully my little Renesis at 34" MAP and 100 pounds lighter will = produce about 80% of this performance. =20 =20 I would like to borrow or rent a EM2 that has not been installed with = auto tune capability for a couple of weeks. I have an EM3 on order but = no firm delivery date yet. I will pay at a minimum shipping both ways. =20 =20 =20 =20 Bobby J Hughes DAR inspection hopefully next week. =20 =20 =20 ------=_NextPart_000_003A_01C9B365.FC778590 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
It may be reading the engine power = pulses.  I=20 had to use a damper to remove the pulses.  I use a small can where = all my=20 hoses are connected.
 
Rino
----- Original Message -----
From:=20 Bobby J. = Hughes=20
Sent: Wednesday, April 01, 2009 = 7:10=20 PM
Subject: [FlyRotary] Re: RV10 = Transition=20 Training \ EM2

Bill,
 
I will put leak testing on = my list.  =20 Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Bill=20 Bradburry
Sent: Wednesday, April 01, 2009 11:10 = AM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: RV10 = Transition=20 Training \ EM2

If your pressure is dancing around with the = throttle=20 steady, I would suggest you might have a leak in the induction system = unless=20 you are right on the point where the EC-2 is switching between=20 addresses. If the fluctuation continues when you move the = throttle=20 slightly, I would think leak.  If you check for leaks, don=92t = forget the=20 tubing going to the controllers and = monitors.

 

Bill B

 

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Tracy Crook
Sent: Wednesday, April 01, 2009 = 10:31=20 AM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: RV10 = Transition=20 Training \ EM2

One or two tenths is not = significant (1=20 map address covers about 7 tenths of manifold pressure) so that could = not be=20 the problem.  Several very rough spots is a major tuning=20 problem.

Tracy

=

On Tue, Mar 31, 2009 at 10:26 PM, Bobby J. = Hughes=20 <bhughes@qnsi.net>=20 wrote:

That will = work=20 Tracy. I don't=20 think I have major tuning problems but I need to see the map table = addresses=20 and each rotors EGT to be sure. My manifold pressure jumps around one = or two=20 tenths and is hard to hold at a constant setting.  The mixture=20 is manually adjustable to 7500 rpm or 34" = + depending on=20 prop settings. But I have several very rough spots that = would keep=20 me from flying.  My manifold pressure ports are located in = the super=20 charger discharge manifold and I suspect they are seeing=20 pulses.

 

Bobby

 

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy = Crook
Sent: Tuesday, March 31, 2009 = 6:06=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: RV10 = Transition=20 Training \ EM2

Hello Bobby,
  I can = have your=20 EM3 ready in a week if that works for you.   Always remember = that=20 autotune is not a fix for major tuning problems.  If there is a=20 significant snag in the EC2/3 tuning ,  it means that something = is wrong=20 or that the tuning procedure is not fully understood.  Always = find out=20 which it is before flight.

Tracy

On Tue, Mar 31, 2009 at 12:26 PM, Bobby J. = Hughes=20 <bhughes@qnsi.net>=20 wrote:

I completed another = major=20 milestone this weekend in preparation for first flight. All I can say = is holy=20 s***. I flew with Alex D just south of Dallas. With the IO-540, 3 adult=20 males, full fuel and air conditioner we where seeing 2k per = minute=20 climb rates.  This plane is amazing. Hopefully my little Renesis = at 34"=20 MAP and 100 pounds lighter will produce about 80% of this = performance. =20

 

I would like to borrow = or rent a=20 EM2 that has not been installed with auto tune capability for a couple = of=20 weeks. I have an EM3 on order but no firm delivery date yet. I will = pay at a=20 minimum shipping both ways. 

 

 

 

Bobby = J=20 Hughes

DAR inspection hopefully = next=20 week.

 

 

 

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