Return-Path: Received: from mail1.mx.voyager.net ([216.93.66.204] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 372978 for flyrotary@lancaironline.net; Fri, 20 Aug 2004 21:08:55 -0400 Received-SPF: none receiver=logan.com; client-ip=216.93.66.204; envelope-from=dsbarno@vbe.com Received: from u036fr3za011 (d47.as0.wtma.wi.core.com [64.77.136.175]) by mail1.mx.voyager.net (8.12.9/8.10.2) with SMTP id i7L15LqH025626 for ; Fri, 20 Aug 2004 21:05:22 -0400 (EDT) Message-ID: <014301c4871b$da4c0b60$3c40fea9@u036fr3za011> From: "Barnhart" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EM-2 MAP readings Date: Fri, 20 Aug 2004 20:11:55 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0140_01C486F1.F0A4F7C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 This is a multi-part message in MIME format. ------=_NextPart_000_0140_01C486F1.F0A4F7C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageRusty, Also going with a TWM TB, the model 3003. Setting it up for one = injector per rotor. Going with 72 lb injectors and 57 mm bores. Not = flying yet. Hope this may help. Will try to bring it down to Tracy's in = October.=20 Barny MGDQ 20bt ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Friday, August 20, 2004 7:14 PM Subject: [FlyRotary] Re: EM-2 MAP readings Thanks for the comments Mike. I agree, and think it would be = difficult for the TB ports to read accurately at high velocity. That = being said... I just hung up with TWM, and they believe those ports are completely = accurate in their TB. He asked what size TB I had, what engine, and = about what HP I thought it was capable of. After hearing all that, he = said my 42 mm bores were simply too small, and that I'd need at least = 45's. When I pointed out that my runners were only about 42 mm, he = basically said "start over" :-) He did mention the possibility of = adding a crossover tube between the two runners, to allow one to steal = from the other, but I probably wouldn't do that unless I was committed = to building another intake if it didn't work. =20 BTW, he guessed right off the bat that it was on an airplane, and he = mentioned that he really wished we wouldn't put their TB's on airplanes, = because it made him nervous. I assured him that I wouldn't sue him, and = that his TB was higher quality than anything I could cobble together, so = he was actually increasing my chances of survival :-) =20 At the moment, I've decided that I just don't know what's going on yet = :-) My only benchmark is Tracy's 6200 RPM at 120-130 mph in climb, so = I'll see how I compare to that this weekend (weather permitting). I'm = also convinced that the engine is producing more power than before, due = to the rapid rise in temps now, so I'll also take a look at climb rate, = and top speed at whatever altitude I can get to with the clouds. Heck, = maybe I'm worrying about nothing. =20 Maybe Ed will hurry up and get his conversion done so we can get some = more data. He's probably lapping his input shaft now (which sounds a = little nastier than intended) :-) Cheers, Rusty (maybe an ankle weight on my right leg)=20 =20 -------------------------------------------------------------------------= ----- This message scanned for viruses by CoreComm=20 ------=_NextPart_000_0140_01C486F1.F0A4F7C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Rusty,
 
Also going with a TWM  TB, the = model=20 3003.  Setting it up for one injector per rotor.  Going with = 72 lb=20 injectors and 57 mm bores.  Not flying yet. Hope this may help. = Will try to=20 bring it down to Tracy's in October.
 
Barny
MGDQ 20bt
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Friday, August 20, 2004 = 7:14=20 PM
Subject: [FlyRotary] Re: EM-2 = MAP=20 readings

 
Thanks = for the=20 comments Mike.  I agree, and think it would be difficult for the = TB ports=20 to read accurately at high velocity.  That being=20 said...
 
I just = hung up with=20 TWM, and they believe those ports are completely accurate in their = TB. =20 He asked what size TB I had, what engine, and about what HP I = thought it=20 was capable of.  After hearing all that, he said my 42 mm = bores were=20 simply too small, and that I'd need at least 45's.  When I = pointed=20 out that my runners were only about 42 mm, he basically said "start = over"=20 :-)   He did mention the possibility of adding a crossover = tube=20 between the two runners, to allow one to steal from the other, but I = probably=20 wouldn't do that unless I was committed to building another intake if = it=20 didn't work. 
 
BTW, = he guessed right=20 off the bat that it was on an airplane, and he mentioned that he = really wished=20 we wouldn't put their TB's on airplanes, because it made him=20 nervous.  I assured him that I wouldn't sue him, and that = his TB was=20 higher quality than anything I could cobble together, so he=20 was actually increasing my chances of survival=20 :-)  
 
At the moment, I've decided = that I just=20 don't know what's going on yet :-)  My only benchmark is Tracy's = 6200 RPM=20 at 120-130 mph in climb, so I'll see how I compare to that this = weekend=20 (weather permitting).  I'm also convinced that the engine is = producing=20 more power than before, due to the rapid rise in temps now, so I'll = also take=20 a look at climb rate, and top speed at whatever altitude I can get to = with the=20 clouds.  Heck, maybe I'm worrying about nothing.  =
 
Maybe Ed will hurry up and get = his=20 conversion done so we can get some more data.  He's probably = lapping his=20 input shaft now (which sounds a little nastier than intended) = :-)
 
Cheers,
Rusty (maybe an ankle weight = on my=20 right leg) 
 
  =



 
This message scanned = for viruses by=20 CoreComm=20
------=_NextPart_000_0140_01C486F1.F0A4F7C0--