X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp110.plus.mail.re2.yahoo.com ([206.190.53.35] verified) by logan.com (CommuniGate Pro SMTP 5.0.6) with SMTP id 920948 for flyrotary@lancaironline.net; Tue, 10 Jan 2006 16:59:24 -0500 Received-SPF: none receiver=logan.com; client-ip=206.190.53.35; envelope-from=prvt_pilot@yahoo.com Received: (qmail 55524 invoked from network); 10 Jan 2006 21:58:39 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Received:Reply-To:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:Importance:In-Reply-To; b=mBszT/We1JdzxOBFwgndm+E0waFZQfwh9+T4krjyUg8agWHwrPOA+yoZjJ92ekCFsfgzd7PWS7r/w1HOq5URK16vQxE+TUSC927IPkgBxU/IGUQhyhOZL9ZZUXOjfi3f79iuB/b59szoMWKGDxwu7fv/SawpTcSJw1MEp373OxU= ; Received: from unknown (HELO stevehome) (prvt?pilot@71.0.19.116 with login) by smtp110.plus.mail.re2.yahoo.com with SMTP; 10 Jan 2006 21:58:38 -0000 Reply-To: From: "Steve Brooks" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Runaway Turbos Date: Tue, 10 Jan 2006 17:03:57 -0500 Message-ID: <02b801c61631$c1995d60$6400a8c0@workgroup.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_02B9_01C61607.D8C35560" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.6604 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_02B9_01C61607.D8C35560 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 8bit Buly, I haven't seen that sudden jump in MP, but I don't push mine past 5 lbs normally. Maybe 7-8 lbs on a couple of occasions. I didn't have to richen my injectors in mode 3 to get a rich enough mixture at boost, with the latest software change on the EC-2. Before that, I had to lean it to get a lean enough mixture on the low end. I like the most recent version though. Much easier to tune. Steve Brooks -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Bulent Aliev Sent: Monday, January 09, 2006 10:22 PM To: Rotary motors in aircraft Subject: [FlyRotary] Runaway Turbos I ran yesterday my engine with John inside the plane and noticed something that John said is happening to his stock turbo too. After 30" of MP pressure the turbo sometimes goes to 40-46", but suddenly the MAP jumps to 50-60. It happened today also? Another thing my engine is running very lean at high MAP with the mixture knob all the way rich? My exhaust inside changed from being wet black to almost shiny clean. The white prop has no trace of carbon. I think i should change the injector programing on mode 3 ? I wander if Dave or steve had similar experience? Bulent "Buly" Aliev http://tinyurl.com/dcy36 On Jan 9, 2006, at 10:05 PM, Ed Anderson wrote: Thanks, Chris John, that is the filter I use as a "coarse" filter before the fuel pumps. Its the one with the stainless steel mesh not the sintered bronze. It has worked fine for me for over 7 years. Easy to take apart and clean. Ed ----- Original Message ----- From: Chris Sargent To: Rotary motors in aircraft Sent: Monday, January 09, 2006 9:37 PM Subject: [FlyRotary] Re: Earls in-line fuel filters John, Below you mention using “small Earl's in-line filters with the conical (brass?) filter blocks.” These sound like the sintered bronze filters that Tracy recommends not using as they become blocked more easily than mesh screens. The sintered bronze is also hard to see if blocked, which it sounds like you experienced. Earl’s has one type of filter that comes in either sintered bronze or stainless steel mesh (field cleanable). Here’s a link that describes the stainless steel mesh version: http://www.importevolution.com/product_info.php?products_id=3465 <000901c61592$c6983470$2402a8c0> Chris -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of John Slade Sent: Monday, January 09, 2006 9:34 AM To: Rotary motors in aircraft Subject: [FlyRotary] Earls in-line fuel filters I've been having fuel flow problems on one side for a while. Runup would give me full static on either pump. I take off on both. Some time later in the flight here's what happens: I'm be running on left pump only I increase throttle to climb mixture goes off the scale lean engine falters I switch on the right pump (which feeds from a separate tank), mixture comes back up and engine runs normally. I have the small Earl's in-line filters with the conical (brass?) filter blocks. They always "look" clean when I take them apart, but yesterday I tried blowing through them. They were very restrictive, especially the left one. After I clean them with high pressure air they flow much better, but I'm beginning to think these filters are not good for our purpose. They're too small and too easily blocked. Additionally there's no nut on the center section so they're hard to get apart at both ends. I think I'll get larger canister type filters with a drain like Buly's. Buly - where did you get those? Got a part number? Anyone else have a filter part number they can suggest? John Turbo Rotary Cozy IV 47.5 hrs. ------=_NextPart_000_02B9_01C61607.D8C35560 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Buly,
I=20 haven't seen that sudden jump in MP, but I don't push mine past 5 lbs=20 normally.  Maybe 7-8 lbs on a couple of = occasions.
I=20 didn't have to richen my injectors in mode 3 to get a rich enough = mixture at=20 boost, with the latest software change on the EC-2.  Before that, I = had to=20 lean it to get a lean enough mixture on the low end.  I like the = most=20 recent version though.  Much easier to tune.
 
 
Steve=20 Brooks
 
-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of Bulent=20 Aliev
Sent: Monday, January 09, 2006 10:22 PM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Runaway=20 Turbos

I ran yesterday my engine with John inside = the=20 plane and noticed something that John said is happening to his stock = turbo=20 too. After 30" of MP pressure the turbo sometimes goes to 40-46", but = suddenly=20 the MAP jumps to 50-60. It happened today also? 
Another thing my engine is running very lean at high MAP with the = mixture=20 knob all the way  rich? My exhaust inside changed from being wet = black to=20 almost shiny clean. The white prop has no trace of carbon. I think i = should=20 change the injector programing on mode 3 ? I wander if Dave or steve = had=20 similar experience?

Bulent "Buly" Aliev

On Jan 9, 2006, at 10:05 PM, Ed Anderson wrote:
Thanks, Chris
 
John, that is the filter I use as a = "coarse"=20 filter before the fuel pumps.  Its the one with the stainless = steel=20 mesh not the sintered bronze.  It has worked fine for me for = over 7=20 years.  Easy to take apart and clean.
 
Ed
----- Original = Message=20 -----
Sent:=20 Monday, January 09, 2006 9:37 PM
Subject:=20 [FlyRotary] Re: Earls in-line fuel filters

John,

Below=20 you mention using =93small=20 Earl's in-line filters with the conical (brass?) filter=20 blocks.=94 =20 These sound like the = sintered=20 bronze filters that Tracy recommends not using as they become = blocked more=20 easily than mesh screens. =20 The sintered bronze = is also=20 hard to see if blocked, which it sounds like you = experienced. 

Earl=92s=20 has one type of filter that comes in either sintered bronze or = stainless=20 steel mesh (field cleanable). =20 Here=92s a link that = describes=20 the stainless steel mesh version:

http://www.importevolution.com/product_info.php?products_id=3D= 3465=20  

=

<000901c61592$c6983470$2402a8c0>

Chris

-----Original=20 Message-----
From:=20 Rotary motors in aircraft [mailto:flyrotary@lancaironlin= e.net]On Behalf=20 Of John = SladeSent:=20 Monday, January 09, 2006 9:34 AMTo:=20 Rotary motors in aircraftSubject:=20 [FlyRotary] Earls in-line fuel filters

I've been=20 having fuel flow problems on one side for a=20 while.

Runup=20 would give me full static on either pump. I take off on=20 both.

Some time=20 later in the flight here's what happens:

   =20 I'm be running on left pump only

   =20 I increase throttle to climb

   =20 mixture goes off the scale lean

   =20 engine falters

   =20 I switch on the right pump (which feeds from a separate tank), = mixture=20 comes back up and engine runs = normally.

I have=20 the small Earl's in-line filters with the conical (brass?) filter = blocks.=20 They always "look" clean when I take them apart, but yesterday I = tried=20 blowing through them. They were very restrictive, especially the = left one.=20 After I clean them with high pressure air they flow much better, = but I'm=20 beginning to think these filters are not good for our purpose. = They're too=20 small and too easily blocked. Additionally there's no nut on the = center=20 section so they're hard to get apart at both=20 ends.

I think=20 I'll get larger canister type filters with a drain like = Buly's. Buly=20 - where did you get those? Got a part = number?

Anyone=20 else have a filter part number they can = suggest?

John

Turbo=20 Rotary Cozy IV

47.5=20 hrs.


------=_NextPart_000_02B9_01C61607.D8C35560--