X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA05.emeryville.ca.mail.comcast.net ([76.96.30.48] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2736005 for flyrotary@lancaironline.net; Mon, 18 Feb 2008 22:57:50 -0500 Received-SPF: none receiver=logan.com; client-ip=76.96.30.48; envelope-from=gregw@onestopdesign.biz Received: from OMTA13.emeryville.ca.mail.comcast.net ([76.96.30.52]) by QMTA05.emeryville.ca.mail.comcast.net with comcast id rDBj1Y04g17UAYkA505Q00; Tue, 19 Feb 2008 03:56:37 +0000 Received: from gregoryii ([24.6.40.29]) by OMTA13.emeryville.ca.mail.comcast.net with comcast id rFxA1Y0010dkeQQ8Z00000; Tue, 19 Feb 2008 03:57:10 +0000 X-Authority-Analysis: v=1.0 c=1 a=DMFhECSA8-3vVBA6dlsA:9 a=EwMEljpxrrGd9csQhhcA:7 a=a7X6r6BGjbCuts_OFe_jKSX9QTgA:4 a=XF7b4UCPwd8A:10 a=zUoeN8aqkmihuUdZ-VgA:9 a=3rplRVbXk4vF0mqIpQ4A:7 a=36j5MQDJEAA-y3MLfm5AnqDIGKIA:4 a=4vB-4DCPJfMA:10 a=EzXvWhQp4_cA:10 a=AfD3MYMu9mQA:10 Message-ID: <007501c872ab$b6d9cbc0$8801a8c0@yosemite.onestopdesign.biz> From: "Greg Ward" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Worried about problems Date: Mon, 18 Feb 2008 19:58:40 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0072_01C87268.A8524BB0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0072_01C87268.A8524BB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks to all for the input. Getting my head down and doing this, = appreciate the support. Greg ----- Original Message -----=20 From: Al Gietzen=20 To: Rotary motors in aircraft=20 Sent: Monday, February 18, 2008 7:48 PM Subject: [FlyRotary] Worried about problems Greg wrote: Y'know, not meaning to offend anyone, but I am trying to mate a 400 hp = 20B=20 to a 250 knot+ Lancair, and after hearing how successful some of these = installations have been, I am getting a little nervous. Are these=20 firing/grounding/running problems common? What am I missing here? = How=20 about some straight answers from some people in the know? My life = depends=20 on this stuff. Although my budget isn't unlimited, I am willing to = spend=20 what is necessary to guarantee that at least I can get on the ground = if=20 something goes wrong, but what do I buy???? I could sure use some = input=20 from Tracy, and guys like Tom Parkes, etc. (who won't return a query), = about=20 what they are experiencing with this genesis of rotary installations. = I=20 just want to get to 18,000 feet, cut back to 70%, and relax. =20 Don't forget we're talking "experimental" here, and with an = alternative engine that part is likely more experimental than the = airframe kit. There are lots of opportunities to do something wrong. = Would you relax behind a turbocharged Continental 550? Things can go = wrong there as well. I now have 80 hours on my Velocity 20B installation, and happy with = it. I was one of the first to use Tracy's EC2 for the 3-rotor, and = there was de-bugging to do. I had electrical noise issues with both the = EM2 and the EC2, the EM2 issues were fairly simple, and Tracy came up = with the solution. The EC2 never failed me, but I had on-going problems = with corruption of settings. That was noise related, and fortunately = with help from my electronics whiz son we eventually resolved the = problem, and found a couple of bugs that Tracy hadn't come to yet - = things which he has fixed in the design. Electrical noise issues are very installation dependant, and are = likely worse in a composite airframe; especially one with the panel in = front and the engine in the rear requiring long wire runs. The issue I = had seemed unique to my installation and my circuit design. Overall, the = EC2 features are well suited to aircraft operation, and the unit is a = major bargain. =20 Each installation has differences, and going alternative engine means = having the tenacity to resolve each of the teething problems as they = come along. FWIW. Al ------=_NextPart_000_0072_01C87268.A8524BB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks to all for the input.  Getting my = head down=20 and doing this, appreciate the support.
Greg
----- Original Message -----
From:=20 Al = Gietzen=20
Sent: Monday, February 18, 2008 = 7:48=20 PM
Subject: [FlyRotary] Worried = about=20 problems

Greg = wrote:

 

 

Y'know, not meaning to offend anyone, but I = am trying=20 to mate a 400 hp 20B

to a 250 knot+ Lancair, and after hearing = how=20 successful some of these

installations have been, I am getting a = little=20 nervous.  Are these

firing/grounding/running problems = common?  What=20 am I missing here?  How

about some straight answers from some people = in the=20 know?  My life depends

on this stuff.  Although my budget = isn't=20 unlimited, I am willing to spend

what is necessary to guarantee that at least = I can get=20 on the ground if

something goes wrong, but what do I=20 buy????   I could sure use some input

from Tracy, and guys like Tom Parkes, etc. = (who won't=20 return a query), about

what they are experiencing with this genesis = of rotary=20 installations.  I

just want to get to 18,000 feet, cut back to = 70%, and=20 relax. 

 

Don=92t = forget we=92re=20 talking =93experimental=94 here, and with an alternative engine that = part is=20 likely more experimental than the airframe kit.  There are lots = of=20 opportunities to do something wrong.  Would you relax behind a=20 turbocharged Continental 550?  Things can go wrong there as=20 well.

 

I now = have 80=20 hours on my Velocity 20B=20 installation, and happy with it.  I was one of the first to use=20 Tracy=92s=20 EC2 for the 3-rotor, and there was de-bugging to do.  I had = electrical=20 noise issues with both the EM2 and the EC2, the EM2 issues were fairly = simple,=20 and Tracy=20 came up with the solution.  The EC2 never failed me, but I had = on-going=20 problems with corruption of settings.  That was noise related, = and=20 fortunately with help from my electronics whiz son we eventually = resolved the=20 problem, and found a couple of bugs that Tracy=20 hadn=92t come to yet =96 things which he has fixed in the=20 design.

 

Electrical noise=20 issues are very installation dependant, and are likely worse in a = composite=20 airframe; especially one with the panel in front and the engine in the = rear=20 requiring long wire runs.  The issue I had seemed unique to my=20 installation and my circuit design. Overall, the EC2 features are well = suited=20 to aircraft operation, and the unit is a major bargain.=20  

 

Each = installation=20 has differences, and going alternative engine means having the = tenacity to=20 resolve each of the teething problems as they come = along.

 

FWIW.

 

Al

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