Return-Path: Received: from server10.safepages.com ([216.127.146.24] verified) by logan.com (CommuniGate Pro SMTP 4.1) with ESMTP id 2513090 for flyrotary@lancaironline.net; Wed, 06 Aug 2003 07:21:33 -0400 Received: by server10.safepages.com (Postfix, from userid 1012) id A8EB4CE3A4; Wed, 6 Aug 2003 11:18:48 +0000 (GMT) Received: from 2b0w201 (1Cust131.tnt24.atl4.da.uu.net [65.227.68.131]) by server10.safepages.com (Postfix) with ESMTP id 45C2CCDF16 for ; Wed, 6 Aug 2003 11:18:45 +0000 (GMT) From: "Tommy James" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: Cooling / Pressure recovery Date: Wed, 6 Aug 2003 07:21:37 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0015_01C35BEB.5F81F360" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6600 This is a multi-part message in MIME format. ------=_NextPart_000_0015_01C35BEB.5F81F360 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Hi Bill, 1. Your temps sound better than mine...:0) (for now) 2. What were the temps before you made the cowl flap larger? 3. What is the angle of your flap and what are its dimensions? What is the area of the opening behind the flap? One can open the angle of the flap to increase the opening, which also increases drag and calls for an adjustable flap. Or, one can move the flap forward on the bottom of the cowl and keep the angle and flap dimensions the same. This will make the exit area larger and I don't know what it will do to drag..:-) 4. Less than WOT (25") calls for more runway, I'd think. Share a little more of the particulars, please. Tommy James<>< I made a new one that is about twice the size of the original. Now I can climb out at 25 inches MAP with OAT over 100F, and the oil stays under 200, and the coolant stays about 205. Does that sound reasonable for temps? ___________________________________________ ------=_NextPart_000_0015_01C35BEB.5F81F360 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi=20 Bill,

1. Your temps sound better than mine...:0) (for=20 now)

2. What were = the temps=20 before you made the cowl flap larger?

3. What is = the angle of=20 your flap and what are its dimensions? What is the area of the = opening=20 behind the flap? One can open the angle of the flap to increase = the=20 opening, which also increases drag and calls for an adjustable = flap. Or,=20 one can move the flap forward on the bottom of the cowl and keep the = angle and=20 flap dimensions the same. This will make the exit area larger and = I don't=20 know what it will do to drag..:-)

4. Less than = WOT (25")=20 calls for more runway, I'd think.

Share a little more = of the=20 particulars, please.

Tommy=20 James<><

I made a new one that is about twice the size of the=20 original. Now I can climb out at 25 inches MAP with OAT = over 100F,=20 and the oil stays under 200, and the coolant stays about = 205. Does=20 that sound reasonable for temps?

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