X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from omta3.toronto.rmgopenwave.com ([4.59.182.101] verified) by logan.com (CommuniGate Pro SMTP 5.3.11) with ESMTP id 4632335 for flyrotary@lancaironline.net; Tue, 07 Dec 2010 10:21:57 -0500 Received-SPF: pass receiver=logan.com; client-ip=4.59.182.101; envelope-from=lacombr@nbnet.nb.ca Received: from torspm02.toronto.rmgopenwave.com ([142.167.165.38]) by tormtz03.toronto.rmgopenwave.com (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20101207152115.OUDJ6599.tormtz03.toronto.rmgopenwave.com@torspm02.toronto.rmgopenwave.com> for ; Tue, 7 Dec 2010 10:21:15 -0500 Received: from PCdeRita ([142.167.165.38]) by torspm02.toronto.rmgopenwave.com with SMTP id <20101207152114.BFAY8452.torspm02.toronto.rmgopenwave.com@PCdeRita> for ; Tue, 7 Dec 2010 10:21:14 -0500 Message-ID: <335AA70679BF4967B14A0A1816B1A9CB@PCdeRita> From: "Rino" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Today I am a man! Date: Tue, 7 Dec 2010 11:20:28 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005A_01CB9600.C0ACFD40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18263 X-Opwv-CommTouchExtSvcRefID: str=0001.0A020204.4CFE50EB.000F,ss=1,fgs=0 This is a multi-part message in MIME format. ------=_NextPart_000_005A_01CB9600.C0ACFD40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dave, Some aluminum wire (.035) is stiff enough to work ok. Not all alluminum = wire are the same. You have to avoid sharp turns in the feeder. You = are talking about the wirefeed setup, I think. Rino ----- Original Message -----=20 From: Dave=20 To: Rotary motors in aircraft=20 Sent: Monday, December 06, 2010 7:31 PM Subject: [FlyRotary] Re: Today I am a man! If you decide to play with the welding rig I have out there at the = hangar, feel free.=20 BUT.. you will need to take the tank down and get the gas changed. It = was set up for aluminum wire, which uses a different gas mix than = steel. The aluminum wire was too soft and kept jamming in the feeder.=20 Dave On 12/6/2010 11:06 AM, Chris Barber wrote:=20 Well, yesterday actually. I completed the EAA Sport Air workshop = yesterday on Welding. While I know the Gas Oxy method it just a BIT = antiquated by all the new stuff, the class removed much of the mystery = involved. I was amazed at the progress made in just two days. From = dripped, blotchy beads, to "not all that bad", somewhat consistent = beads. =20 I know it is not much of a leap for many of y'all, but I always felt = quite lacking not having a base understanding of the process (videos and = books just do not breach the gap). Now I will be looking for a Tig = course, or even, now with a basic comprehension, even a friends input. = The Velocity is not a big welded craft, but there were a few things I = would at least have entertained, even if I would have farmed them out = anyway. On the rotary front, since I dedicated a bus for just the EM2/EC2 = and reinstalled the units in the plane (currently using Rino's old unit = since the wiring is correct for it...my unit has a pin difference being = a later unit), I am currently NOT having my tach dropping out at 6000 = rpm (so far). Last night I did a quick run up after leaving from the = welding class and ran up to 6450 rmp static at about 34.5 MAP. I had = trouble holding it with the brakes...and this was on rough asphalt. I = hope to get out there in a bit and do some tuning and RE-determine best = cranking settings. It is starting quickly when cold at full rich = mixture. Gotta keep it a full mixture for a few minutes till it warms. = However, it is taking quite a bit of fudging around to get it to start = hot. Per Mistral, my injectors are large so I think I may need to go = leaner (about 10 o' clock currently) when hot...or so my preliminary = feeling is such. For those who are not there yet, you pretty much have = to start over with base mapping every time you get your units back from = Tracy. Of course, I am getting much better at it...... ;-) All the best, Chris Barber Houston, Texas Velocity 13b turbo with Mistral intake ------=_NextPart_000_005A_01CB9600.C0ACFD40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dave,
 
Some aluminum wire (.035) is stiff = enough to work=20 ok.  Not all alluminum wire are the same.   You have to = avoid=20 sharp turns in the feeder.  You are talking about the wirefeed = setup,=20 I think.
 
Rino
----- Original Message -----
From:=20 Dave=20
Sent: Monday, December 06, 2010 = 7:31=20 PM
Subject: [FlyRotary] Re: Today = I am a=20 man!

If you decide to play with the welding rig I have out = there at=20 the hangar, feel free.

BUT.. you will need to take the tank = down and=20 get the gas changed. It was set up for aluminum  wire, which uses = a=20 different gas mix than steel. The aluminum wire was too soft and kept = jamming=20 in the feeder.

Dave

On 12/6/2010 11:06 AM, Chris Barber = wrote:=20
Well, yesterday actually.  I completed = the EAA Sport Air=20 workshop yesterday on Welding.  While I know the Gas Oxy method = it just=20 a BIT antiquated by all the new stuff, the class removed much = of the=20 mystery involved.  I was amazed at the progress made in just = two=20 days.  From dripped, blotchy beads, to "not all that bad",=20 somewhat consistent beads. 
 
I know it is not much of a leap for many of y'all, but I always = felt=20 quite lacking not having a base understanding of the process (videos = and=20 books just do not breach the gap).  Now I will be looking for=20 a Tig course, or even, now with a basic comprehension, even a = friends=20 input.  The Velocity is not a big welded craft, but there were = a few=20 things I would at least have entertained, even if I would have = farmed=20 them out anyway.
 
On the rotary front, since I dedicated a bus for just the = EM2/EC2=20 and reinstalled the units in the plane (currently using Rino's = old unit=20 since the wiring is correct for it...my unit has a pin difference = being a=20 later unit), I am currently NOT having my tach = dropping out=20 at 6000 rpm (so far).  Last night I did a quick run up after = leaving=20 from the welding class and ran up to 6450 rmp static at about = 34.5=20 MAP.  I had trouble holding it with the brakes...and this was = on rough=20 asphalt.  I hope to get out there in a bit and do some tuning = and=20 RE-determine best cranking settings.  It is = starting quickly when=20 cold at full rich mixture.  Gotta keep it a full mixture = for a few=20 minutes till it warms.  However, it is taking quite a bit of = fudging=20 around to get it to start hot.  Per Mistral, my injectors are = large so=20 I think I may need to go leaner (about 10 o' clock currently)=20  when hot...or so my preliminary feeling is such.  For = those who=20 are not there yet, you pretty much have to start over with base=20 mapping every time you get your units back from Tracy.  Of = course,=20 I am getting much better at it...... ;-)
 
All the best,
 
Chris Barber
Houston, Texas
Velocity 13b turbo with Mistral=20 intake

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