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Return-Path: Received: from gull.mail.pas.earthlink.net ([207.217.120.84] verified) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 3224182 for flyrotary@lancaironline.net; Mon, 10 May 2004 08:15:18 -0400 Received: from user-33qt5gi.dialup.mindspring.com ([199.174.150.18] helo=Carol) by gull.mail.pas.earthlink.net with smtp (Exim 3.33 #1) id 1BN9gh-0000Tf-00 for flyrotary@lancaironline.net; Mon, 10 May 2004 05:15:16 -0700 Message-ID: <007001c43688$654f8960$0000a398@Carol> From: "sqpilot@earthlink" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: What should you expect was : first flight Tracy's old prop. Date: Mon, 10 May 2004 07:14:49 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_006D_01C4365E.7B818CD0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2739.300 This is a multi-part message in MIME format. ------=_NextPart_000_006D_01C4365E.7B818CD0 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: Sunday, May 09, 2004 11:28 AM Subject: [FlyRotary] Re: What should you expect was : first flight = Tracy's old prop. We both would get a nominal 5200 rpm static (on cold mornings due to = the EDDIE effect my static would go as high as 5600-5800 rpm). In my = 120 mph (TAS) WOT climbout I normally would get from 5600-5800 = (depending on OAT). So if you are not getting at least 5000 static, you = have some tuning to do.=20 Thanks for the extra data. So you figure that your 5200 rpm static is = WITHOUT the benefit of the EDDIE effect? Now I'm really depressed. I'm = getting 4700 static, and 4900 in climb at 120 mph. =20 IIRC, in a previous message, you mentioned that there were two general = paths of intake design, one being low restriction to mass flow, and the = other being tuned effect. Mine is likely neither, so at least going to = a short intake could buy me something. At the moment, I'd be happy to = get up to your non-EDDIE static rpm. =20 Hey Paul. You have an identical intake to mine. Have you been able = to do any full power runups? With what prop? What RPM? Hi, Rusty.....I do not have a prop installed, as it would blow = everything out of the garage. I have had the engine up to around 4500 = rpm at around 1/3 to 1/2 throttle, but that's without the load from a = prop. I am hoping to get the airplane to the airport in the next week or = two and install the prop, then see what kind of run-up rpm's I get. I = talked to the guy who sells the new Mistral rotary engine, and he said = that my intake is very similar to what they were using. They are = presently changing it to relocate the injectors very close to the intake = of the engine, however it will still have the wrap-around intake like we = have with the throttlebody on the cold side of the engine. I have a = picture that he sent to me if you are interested. Paul Conner Thanks, Rusty (maybe NOS)=20 ------=_NextPart_000_006D_01C4365E.7B818CD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message

----- Original Message -----
From:=20 Russell=20 Duffy
To: Rotary motors in = aircraft

Sent: Sunday, May 09, 2004 = 11:28 AM

Subject: [FlyRotary] Re: What = should you=20 expect was : first flight Tracy's old prop.

We both would get a nominal 5200 rpm static = (on cold=20 mornings due to the EDDIE effect my static would go as high as = 5600-5800=20 rpm). In my 120 mph (TAS) WOT climbout I normally would = get from=20 5600-5800 (depending on OAT). So if you are not getting at least = 5000=20 static, you have some tuning to do.

Thanks for the extra data. So you figure that = your 5200=20 rpm static is WITHOUT the benefit of the EDDIE effect? Now = I'm=20 really depressed. I'm getting 4700 static, and 4900 in climb at = 120=20 mph.

IIRC,=20 in a previous message, you mentioned that there were two general = paths of=20 intake design, one being low restriction to mass flow, and the = other=20 being tuned effect. Mine is likely neither, so at least going to = a short=20 intake could buy me something. At the moment, I'd be happy to = get up to=20 your non-EDDIE static rpm.

Hey=20 Paul. You have an identical intake to mine. Have you been = able to=20 do any full power runups? With what prop? What=20 RPM?

Hi,=20 Rusty.....I do not have a prop installed, as it would blow everything = out of=20 the garage. I have had the engine up to around 4500 rpm at = around 1/3 to=20 1/2 throttle, but that's without the load from a prop. I am hoping to = get the=20 airplane to the airport in the next week or two and install the prop, = then see=20 what kind of run-up rpm's I get. I talked to the guy who sells = the new=20 Mistral rotary engine, and he said that my intake is very similar to = what they=20 were using. They are presently changing it to relocate the = injectors=20 very close to the intake of the engine, however it will still have the = wrap-around intake like we have with the throttlebody on the cold side = of the=20 engine. I have a picture that he sent to me if you are = interested. =20 Paul Conner

Thanks,

Rusty=20 (maybe NOS)

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