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Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2627465 for flyrotary@lancaironline.net; Tue, 07 Oct 2003 13:59:33 -0400 Received: from rad ([68.212.10.7]) by imf16aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20031007175941.HXBO28442.imf16aec.mail.bellsouth.net@rad> for ; Tue, 7 Oct 2003 13:59:41 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: True Displacement of the 13B rotary Egnine Date: Tue, 7 Oct 2003 12:59:34 -0500 Message-ID: <000201c38cfc$c426cbf0$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0003_01C38CD2.DB50C3F0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0003_01C38CD2.DB50C3F0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable But sticking with the 1308 cc for four chambers worth we have each = chamber =3D 1308/4 =3D 327 cc/rotor face/chamber. Ok so shoot me - I was 6 cc off. =20 =20 Ed, I think Tracy was questioning the actual displacement of each = chamber. I'm going to try to find someone who's actually documented it, but I've always understood the displacement to be 80 ci for one rotation, 160 ci = for two, and 240 ci for three. If this is wrong, I've sure spread a lot of incorrect info about the rotary engine over the past 20 years or so. = I'm going to go out on a limb and say the real figure is exactly double your = 327 cc number.=20 =20 Rusty =20 PS- I just ordered my Shoptask, and couldn't resist the DRO option. It happens to be the same one that Marvin pointed out. =20 ------=_NextPart_000_0003_01C38CD2.DB50C3F0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

But sticking with the 1308 cc for four = chambers=20 worth we have each chamber =3D 1308/4 =3D 327 cc/rotor = face/chamber. Ok so=20 shoot me - I was 6 cc off.

Ed, I think=20 Tracy was questioning the actual displacement of each=20 chamber. I'm going to try to find someone who's actually = documented=20 it, but I've always understood the displacement to be 80 ci for one = rotation, 160 ci for two, and 240 ci for three. If this is = wrong,=20 I've sure spread a lot of incorrect info about the rotary engine over=20 the past 20 years or so. I'm going to go out on a limb and = say the=20 real figure is exactly double your 327 cc number.

Rusty

PS- I just=20 ordered my Shoptask, and couldn't resist the DRO option. It = happens to be=20 the same one that Marvin pointed out.

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