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 3051552 for flyrotary@lancaironline.net; Sun, 29 Feb 2004 20:16:12 -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 i211G9kG025013 for ; Sun, 29 Feb 2004 20:16:10 -0500 (EST) Message-ID: <000801c3ff2a$cc862ac0$2402a8c0@edward> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EDDIE variable Intake photos Date: Sun, 29 Feb 2004 20:16:17 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C3FF00.E376EA50" 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_0005_01C3FF00.E376EA50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I haven't weighed it yet,Finn, its going to be around 25 lbs due to my = use of the old "boat Anchor" lower slab aluminum manifold. However, if = the results are promising, the next version will be quite a bit lighter. = More use of plastic resin to lower weight, etc. Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC ----- Original Message -----=20 From: Finn Lassen=20 To: Rotary motors in aircraft=20 Sent: Sunday, February 29, 2004 6:24 PM Subject: [FlyRotary] Re: EDDIE variable Intake photos Work of art, Ed!=20 You're putting the rest of us (well, at least me) to shame. Total weight? Finn Ed Anderson wrote: 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 Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_0005_01C3FF00.E376EA50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I haven't weighed it yet,Finn, its = going to be=20 around 25 lbs due to my use of the old "boat Anchor" lower slab aluminum = manifold. However, if the results are promising, the next version = will=20 be quite a bit lighter. More use of plastic resin to = lower=20 weight, etc.

Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC

----- Original Message -----
From:=20 Finn=20 Lassen
To: Rotary motors in = aircraft

Sent: Sunday, February 29, 2004 = 6:24=20 PM

Subject: [FlyRotary] Re: EDDIE = variable=20 Intake photos

Work of art, Ed!

You're putting the rest of us = (well,=20 at least me) to shame.

Total = weight?

Finn

Ed=20 Anderson wrote:

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

Archive: http://lancai= ronline.net/lists/flyrotary/List.html =

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