Return-Path: Received: from fed1rmmtao01.cox.net ([68.230.241.38] verified) by logan.com (CommuniGate Pro SMTP 4.2b4) with ESMTP id 121000 for flyrotary@lancaironline.net; Wed, 02 Jun 2004 14:20:10 -0400 Received: from BigAl ([68.107.116.221]) by fed1rmmtao01.cox.net (InterMail vM.6.01.03.02 201-2131-111-104-20040324) with ESMTP id <20040602181935.FENI15874.fed1rmmtao01.cox.net@BigAl> for ; Wed, 2 Jun 2004 14:19:35 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] 20B vs 13B Date: Wed, 2 Jun 2004 11:20:20 -0700 Message-ID: <001101c448ce$43a0a1c0$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01C44893.9741C9C0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0012_01C44893.9741C9C0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Bryan; I went with the 20B on my Velocity SE because I made the decision 5 years ago. I'd think now the way to go is Renesis. For the CG issue; move the engine a few inches, or put on a turbo and intercooler. Al Hi all, I have been lurking in the background trying to learn what I can. I intend to use a rotary in the BD-4 I am currently building. It will be some time before I actually need an engine but there are some questions I have regarding the use of a 13b vs. a 20b. 1: What is the difference (average installation) between the installed weight of the two? 2: What is the cost difference in 13b NA, 13b turbo, 20b NA? 3: Do Tracy's components work with the 20b (EC2 and RD-1C)? The reason I ask these things at this point is that I am (as most) building on a budget. I also am at a stage that I need to make a decision about whether or not to extend the fuselage on my plane. The back seat in a BD-4 has practically no leg room. I am looking at extending the fuselage to get 5"-6" more inches leg room in the back seat. This would work if I can afford a 20b to counter the change in CG that comes with the fuselage extension. And there is also the fact that more power is always a good thing. Thanks in advance for any help given, Bryan --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.693 / Virus Database: 454 - Release Date: 5/31/2004 ------=_NextPart_000_0012_01C44893.9741C9C0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Bryan;

I went with the 20B on my = Velocity SE because I made the decision 5 years ago. I’d think now the = way to go is Renesis. For the CG issue; move the engine a few inches, or put on a turbo and intercooler.

Al

Hi all,

I have been lurking in the background trying to learn what I can. I intend to use a rotary in = the BD-4 I am currently building. It will be some time before I = actually need an engine but there are some questions I have regarding the use of a 13b = vs. a 20b.

1: What is the = difference (average installation) between the installed weight of the = two?

2: What is the cost = difference in 13b NA, 13b turbo, 20b NA?

3: Do = Tracy's components work with the 20b (EC2 and RD-1C)?

The reason I ask these = things at this point is that I am (as most) building on a budget. I also am = at a stage that I need to make a decision about whether or not to extend the fuselage on my plane. The back seat in a BD-4 has practically no = leg room. I am looking at extending the fuselage to get = 5"-6" more inches leg room in the back seat. This would work if I can afford = a 20b to counter the change in CG that comes with the fuselage = extension. And there is also the fact that more power is always a good = thing.

Thanks in advance for any = help given,

Bryan

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.693 / Virus Database: 454 - Release Date: = 5/31/2004

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