Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3051393 for flyrotary@lancaironline.net; Sun, 29 Feb 2004 17:08:03 -0500 Received: from edward (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i1TM80kG002284 for ; Sun, 29 Feb 2004 17:08:01 -0500 (EST) Message-ID: <001e01c3ff10$83f384c0$2402a8c0@edward> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EDDIE variable Intake photos Date: Sun, 29 Feb 2004 17:08:09 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001B_01C3FEE6.9AE8FF40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_001B_01C3FEE6.9AE8FF40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks, Tommy, I hope it does. You are kidding, I take the photos in = the kitchen - would be embarrassed to have anyone see my shop while I am = in middle of a project - no time to clean. I generally get a shovel and = clean afterwards - not because I am particularly neat, its simply I have = to do it to have room for the next project {:>). Ed Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC ----- Original Message -----=20 From: Tommy James=20 To: Rotary motors in aircraft=20 Sent: Sunday, February 29, 2004 5:03 PM Subject: [FlyRotary] Re: EDDIE variable Intake photos Way to go Ed! It looks like it might work, maybe even well, maybe = even very well! =20 How do you keep your workshop so neat and clean? Congratulations! Tommy<>< -----Original Message----- From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net]On Behalf Of Ed Anderson Sent: Sunday, February 29, 2004 4:47 PM To: Rotary motors in aircraft Subject: [FlyRotary] EDDIE variable Intake photos Well, folks, the unveiling is here. Here are the first photos of my variable length intake manifold = designed based on the EDDIE analysis. The primary and secondary of each = rotor are merged into one runner (1 3/4" dia). These two runners are = composed of 1.854 dia tube in which the 1.75" dia tubes slide. One set = for each rotor. There is a small DC 50 rpm motor (turns out this is a = bit slow) that turns a jack screw. This jack screw drives the throttle = body mount and the two 1.75" dia tubes and changes the length by 4" = which is a range of approx 1500 rpm. I wanted to get a 6-7" change, but = this is a prototype, so I used what I had laying around in terms of = manifold parts which put the whole setup 3-4" higher than I want. So = depending on OAT the 1500 rpm range could give me the EDDIE from 5000 - = 6500 rpm. There is a controller with limit switches at the upper and lower = extension to independently stop the motor when limits are reached. I = have a small potentiometer with a gear on its shaft. A rack is attached = to the throttle body which moves up and down with it. The teeth of the = rack turn the pot which of course changes the voltage which is indicated = on the control box by 10 Red LEDs. There is a dual color LED which is = Green when the throttle body is extending and is Red when it is = retracting. A few photos are attached. Hope to install it on the aircraft = tomorrow and within a day or two have it running. Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC ------=_NextPart_000_001B_01C3FEE6.9AE8FF40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks, Tommy, I hope it does.  = You are=20 kidding, I take the photos in the kitchen - would be embarrassed to have = anyone=20 see my shop while I am in middle of a project - no time to clean.  = I=20 generally get a shovel and clean afterwards - not because I am = particularly=20 neat, its simply I have to do it to have room for the next project=20 {:>).
 
Ed
 
 
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message -----
From:=20 Tommy=20 James
Sent: Sunday, February 29, 2004 = 5:03=20 PM
Subject: [FlyRotary] Re: EDDIE = variable=20 Intake photos

Way=20 to go Ed!  It looks like it might work, maybe even well, maybe = even very=20 well! 
How=20 do you keep your workshop so neat and clean?
Congratulations!
Tommy<><
-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of Ed=20 Anderson
Sent: Sunday, February 29, 2004 4:47 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] EDDIE = variable=20 Intake photos

Well, folks, the unveiling is=20 here.
 
Here are the first photos of my = variable length=20 intake manifold designed based on the EDDIE analysis.  The = primary and=20 secondary of each rotor are merged into one runner (1 3/4" = dia).  These=20 two runners are composed of 1.854 dia tube in which the 1.75" dia = tubes=20 slide.  One set for each rotor.  There is a small DC 50 = rpm motor=20 (turns out this is a bit slow) that turns a jack screw.  This = jack=20 screw drives the throttle body mount and the two 1.75" dia tubes and = changes=20 the length by 4" which is a range of approx 1500 rpm.  I wanted = to get=20 a 6-7" change, but this is a prototype, so I used what I had laying = around=20 in terms of manifold parts which put the whole setup 3-4" higher = than =20 I want.   So depending = on OAT the=20 1500 rpm range could give me the EDDIE from 5000 - 6500 = rpm.
 
There is a controller with limit = switches at=20 the upper and lower extension to independently stop the motor when = limits=20 are reached.  I have a small potentiometer with a gear on its=20 shaft.  A rack is attached to the throttle body which moves up = and down=20 with it.  The teeth of the rack turn the pot which of course = changes=20 the voltage which is indicated on the control box by 10 Red = LEDs. =20 There is a dual color LED which is Green when the throttle body is = extending=20 and is Red when it is retracting.
 
A few photos are attached.  = Hope to=20 install it on the aircraft tomorrow and within a day or two have it=20 running.
 
 
Ed Anderson
RV-6A N494BW Rotary=20 Powered
Matthews, = NC
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