X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from access.aic-fl.com ([207.30.253.2] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2083699 for flyrotary@lancaironline.net; Mon, 04 Jun 2007 14:40:09 -0400 Received-SPF: softfail receiver=logan.com; client-ip=207.30.253.2; envelope-from=unicorn@gdsys.net Received: from main (gdsi-41.gdsys.net [207.30.255.41]) by access.aic-fl.com (Rockliffe SMTPRA 4.5.6) with SMTP id for ; Mon, 4 Jun 2007 13:36:10 -0500 Message-ID: <002501c7a6d7$afcd8650$29ff1ecf@main> From: "Richard Sohn" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Single rotor video Date: Mon, 4 Jun 2007 13:39:24 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001F_01C7A6AD.C35C7D40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_001F_01C7A6AD.C35C7D40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Monday, June 04, 2007 11:12 AM Subject: [FlyRotary] Re: Single rotor video BTW, to make everyone feel better, my EC-2 is doing something I = haven't been able to explain either. I have to run with cold start on = to have enough fuel to run, which would imply that I'm only getting half = the fuel I'm supposed to get with it off. I'm sure I've goofed = something up, and I haven't really taken the time to figure it out yet, = but I do have a small Holley carb on the way to test as well :-) Rusty=20 Hi Rusty, here is my two cennts. I do not believe that what you see on your = video has anything to do with the way the engine is running. What you = described about the prop tips is what every prop does, more or less, = unless you run it in a wind tunnel with absolute stright airflow. What = you are seeing is what makes one prop run smoother than another. The = more flexible a prop is, the smoother it feels. This is why composite = props generally feel smoother than wood or metal ones.=20 Just want to give you some caution about the interpretation of the = video. Unfortunately, I can not see it over my telephone line.=20 Richard Sohn N2071U (Will be testing with gear box and prop soon.) -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.472 / Virus Database: 269.8.7/830 - Release Date: = 6/3/2007 12:47 PM ------=_NextPart_000_001F_01C7A6AD.C35C7D40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Monday, June 04, 2007 = 11:12=20 AM
Subject: [FlyRotary] Re: Single = rotor=20 video

BTW, to=20 make everyone feel better, my EC-2 is doing something I haven't been = able to=20 explain either.  I have to run with cold start on to have enough = fuel to=20 run, which would imply that I'm only getting half the fuel I'm = supposed to get=20 with it off.  I'm sure I've goofed something up, and I haven't = really=20 taken the time to figure it out yet, but I do have a small Holley carb = on the=20 way to test as well :-)
 
Rusty=20

Hi Rusty,
 
here is my two cennts. I do not believe that = what you=20 see on your video has anything to do with the way the engine is = running. What=20 you described about the prop tips is what every prop does, more or = less,=20 unless you run it in a wind tunnel with absolute stright airflow. What = you are=20 seeing is what makes one prop run smoother than another. The more = flexible a=20 prop is, the smoother it feels. This is why composite props generally = feel=20 smoother than wood or metal ones.
Just want to give you some caution about the=20 interpretation of the video.
Unfortunately, I can not see it over my = telephone line.=20
 
Richard Sohn
N2071U
(Will be testing with gear box and = prop=20 soon.)
 
 
 

No virus found in this incoming message.
Checked by AVG Free = Edition.
Version: 7.5.472 / Virus Database: 269.8.7/830 - Release = Date:=20 6/3/2007 12:47 PM
------=_NextPart_000_001F_01C7A6AD.C35C7D40--