X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.25.9.102] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1322049 for flyrotary@lancaironline.net; Sat, 29 Jul 2006 17:57:22 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-111-186.carolina.res.rr.com [24.74.111.186]) by ms-smtp-03.southeast.rr.com (8.13.6/8.13.6) with SMTP id k6TLuY51014335 for ; Sat, 29 Jul 2006 17:56:35 -0400 (EDT) Message-ID: <002001c6b359$ba97f560$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Back in the saddle again! Date: Sat, 29 Jul 2006 17:55:38 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001D_01C6B338.33379920" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_001D_01C6B338.33379920 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Jason, if I recall correctly you do have the 2.85 gear box. You should = be seeing 5800-6000 rpm static (perhaps a bit less in that heat). I = however do not recall your prop set up but if it is close to the 74x88 = prop Tracy and I both fly with our 2.85 then it would appear your are = not getting adequate airflow into( or out of) the engine. Ed ----- Original Message -----=20 From: Hutchison, Jason=20 To: Rotary motors in aircraft=20 Sent: Saturday, July 29, 2006 9:13 AM Subject: [FlyRotary] Back in the saddle again! Update on my airplane, I now have four flights on my engine after = replacing the seals. Last night I was up for an hour. At 5000msl it was = 28C temps stabilized at 197(water) and 188 oil. I still need more power. = I am only getting 5000rpm static which makes for very shallow climb = outs. In the air, I'm getting between 5500 and 6000 rpm at about 140mph = (no wheel pants or fairings).=20 =20 I did an experiment with a 12" fan mounted behind the radiator. The = fan keeps the water temp under 190 on the ground, but caused about a = 10-15 degree increase in the air. So now I'm thinking about mounting a = small radiator with a fan under the engine.=20 =20 My next project is to rework the intake for more static rpm. =20 =20 Jason (waiting for winter or at least temps below 90 degrees) ------=_NextPart_000_001D_01C6B338.33379920 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Jason, if I recall correctly you do have the = 2.85 gear=20 box.   You should be seeing 5800-6000 rpm static (perhaps a = bit less=20 in that heat).  I however do not recall your prop set up but if it = is close=20 to the 74x88 prop Tracy and I both fly with our 2.85 then it would = appear your=20 are not getting adequate airflow into( or out of) the = engine.
 
Ed
 
 
----- Original Message -----
From:=20 Hutchison, = Jason=20
Sent: Saturday, July 29, 2006 = 9:13=20 AM
Subject: [FlyRotary] Back in = the saddle=20 again!

Update on my airplane, I = now have=20 four flights on my engine after replacing the seals. Last night I was = up for=20 an hour. At 5000msl it was 28C temps stabilized at 197(water) and 188 = oil. I=20 still need more power. I am only getting 5000rpm static which makes = for very=20 shallow climb outs. In the air, I'm getting between 5500 and 6000 rpm = at about=20 140mph (no wheel pants or fairings).

 

I did an experiment with = a 12" fan=20 mounted behind the radiator. The fan keeps the water temp under 190 on = the=20 ground, but caused about a 10-15 degree increase in the air. So now = I'm=20 thinking about mounting a small radiator with a fan under the engine.=20

 

My next project is to = rework the=20 intake for more static rpm.

 

 

Jason (waiting for = winter or at=20 least temps below 90=20 degrees)

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