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 2777628 for flyrotary@lancaironline.net; Sat, 29 Nov 2003 19:25:41 -0500 Received: from o7y6b5 (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 hAU0PZPg016843 for ; Sat, 29 Nov 2003 19:25:39 -0500 (EST) Message-ID: <001c01c3b6d7$c49615a0$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Brief flight report Date: Sat, 29 Nov 2003 19:20:32 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C3B6AD.DB73C260" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C3B6AD.DB73C260 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message =20 ----- Original Message -----=20 From: TW James=20 To: Rotary motors in aircraft=20 Sent: Saturday, November 29, 2003 3:58 PM Subject: [FlyRotary] Brief flight report Hi All, A couple of days ago, I actually went for a couple of more test = flights. This time to prove the cooling mods, new pitch setting, and = the aux fuel tank now residing in the back of the beast. OAT was 67F in Pensacola, (eat your heart out Perry). After start and = taxi, I had to wait about 7-8minutes at the runway for oil temp to get = up to 135F. Take off temps never got above 175 for coolant and 165 for = oil. This is reassuring after the earlier attempts.=20 Like Bill Eslick, I got the most cooling benefit by enlarging the area = of the cowl outlet flap and sealing around the rads. We stayed at pattern altitude and reduced power to about 3600 or 80 = kts. On landing the temps came down to about 160 and showed the same = max temps on repeated takeoffs. =20 The Ivo pitch was reduced by ~6" to 60" in an effort to get more RPM/ = power developed without reducing pitch too much and losing thrust. = Acceleration was better and we lifted of in less than 1000ft and climbed = out at 1200 fpm. RPM never got above 4900 at WOT, but this is an = improvement of ~400 rpm from the previous setting. Should I reduce = pitch more? This thing is almost fun now!! Tommy James<>< Great to hear the good news, Tommy. Sounds like you have your cooling situation well under control. I = would suggest seeing what your cruise speed is before making another = pitch adjustment. At 1200 fpm it sounds like you have a "climb" prop = setting, so depending on your preference (climb or cruise) you may have = a good setting as is. I don't think you will know until you try it out = at altitude and cruise airspeed. Ed Anderson ------=_NextPart_000_0019_01C3B6AD.DB73C260 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
 
----- Original Message -----
From:=20 TW = James=20
Sent: Saturday, November 29, = 2003 3:58=20 PM
Subject: [FlyRotary] Brief = flight=20 report

Hi All,

A couple of = days ago,=20 I actually went for a couple of more test flights.  This time to = prove=20 the cooling mods, new pitch setting, and the aux fuel tank now = residing in the=20 back of the beast.

OAT was 67F = in=20 Pensacola, (eat your = heart out=20 Perry).  After start and taxi, I had to wait about 7-8minutes at = the=20 runway for oil temp to get up to 135F.  Take off temps never got = above=20 175 for coolant and 165 for oil.  This is reassuring after the = earlier=20 attempts.

Like Bill = Eslick, I=20 got the most cooling benefit by enlarging the area of the cowl outlet = flap and=20 sealing around the rads.

We stayed = at pattern=20 altitude and reduced power to about 3600 or 80 kts.   On = landing the=20 temps came down to about 160 and showed the same max temps on repeated = takeoffs. 

 

The Ivo = pitch was=20 reduced by ~6=94 to 60=94 in an effort to get more RPM/ power = developed without=20 reducing pitch too much and losing thrust.  Acceleration was = better and=20 we lifted of in less than 1000ft and climbed out at 1200 fpm.  = RPM never=20 got above 4900 at WOT, but this is an improvement of ~400 rpm from the = previous setting.  Should I reduce pitch more?

 

This thing = is almost=20 fun now!!

Tommy=20 James<><

 

Great to = hear the=20 good news, Tommy.

 

  = Sounds like=20 you have your cooling situation well under control.  I would = suggest=20 seeing what your cruise speed is before making another pitch = adjustment. =20 At 1200 fpm it sounds like you have a "climb" prop setting, so = depending on=20 your preference (climb or cruise) you may have a good setting as = is.  I=20 don't think you will know until you try it out at altitude and cruise=20 airspeed.

 

Ed=20 Anderson

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