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 2751406 for flyrotary@lancaironline.net; Wed, 19 Nov 2003 09:46:52 -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 hAJEkoKC027349 for ; Wed, 19 Nov 2003 09:46:51 -0500 (EST) Message-ID: <001201c3aeab$7132c860$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Renisis Date: Wed, 19 Nov 2003 09:43:05 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000F_01C3AE81.8811FBC0" 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 This is a multi-part message in MIME format. ------=_NextPart_000_000F_01C3AE81.8811FBC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable =20 In a message dated 11/18/2003 8:35:39 PM Eastern Standard Time, = eanderson@carolina.rr.com writes: My personal opinion is that you can probably gain the same power out = of a 13B if you have the rotors lightened, heavy duty bearings/harden = gears and the entire rotating assembly dynamically balanced so you can = wind to higher RPMs. Would also need the right induction and exhaust = system. I mean the racing guys can get over 250 HP with the NA 13B, = however, their reliability might be less than you would entertain for an = aircraft application.=20 Lynn could probably address what you can get out of a 13B better = than anybody on the list Lynn?? As of last September, The bridge ported 13B in GT-2 was 305 HP at = 9,300 RPM with two 44MM chokes in a Webber 48 IDA, as in GT-2 cars. = Darryl Drummond. Probably needed 325 to be competitive. For street = ported 13Bs (bigger stock looking port). as in E production cars, 235 HP = at 9000 RPM with 38MM chokes.=20 Stan Lusarski or Darryl Drummond.=20 The E engines use the stock 2 piece seals. No problems. Peak power = available for about 2 hours. So a fresh engine per weekend. Or if you = have no money, (like my operation) a fresh engine every summer.=20 At 6,500 RPM with good oil temps and pressure, these engines will = outlast the airplane. Lynn E. Hanover=20 Thanks, Lynn Nothing like having someone who knows respond. =20 Ed Anderson ------=_NextPart_000_000F_01C3AE81.8811FBC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

In a message dated 11/18/2003 8:35:39 PM Eastern = Standard=20 Time, eanderson@carolina.rr.com=20 writes:

My personal opinion is that you can probably gain the = same power=20 out of a 13B if you have the rotors lightened, heavy duty = bearings/harden=20 gears and the entire rotating assembly dynamically balanced so you = can wind=20 to higher RPMs. Would also need the right induction and = exhaust=20 system. I mean the racing guys can get over 250 HP with the NA = 13B,=20 however, their reliability might be less than you would entertain = for an=20 aircraft application.

Lynn could probably address what you can get = out of a 13B=20 better than anybody on the list

Lynn??

As of last = September, The bridge=20 ported 13B in GT-2 was 305 HP at 9,300 RPM with two 44MM chokes in a = Webber 48=20 IDA, as in GT-2 cars. Darryl Drummond. Probably needed 325 to be = competitive. For street ported 13Bs (bigger stock looking port). as in = E=20 production cars, 235 HP at 9000 RPM with 38MM chokes.
Stan = Lusarski or=20 Darryl Drummond.

The E engines use the stock 2 piece seals. No = problems. Peak power available for about 2 hours. So a fresh = engine per=20 weekend. Or if you have no money, (like my operation) a fresh engine = every=20 summer.

At 6,500 RPM with good oil temps and pressure, these = engines=20 will outlast the airplane.

Lynn E. Hanover

Thanks, Lynn

Nothing like having someone who = knows=20 respond.

Ed = Anderson

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