X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from qmta09.westchester.pa.mail.comcast.net ([76.96.62.96] verified) by logan.com (CommuniGate Pro SMTP 5.4.3) with ESMTP id 5350893 for flyrotary@lancaironline.net; Sun, 15 Jan 2012 08:30:31 -0500 Received-SPF: none receiver=logan.com; client-ip=76.96.62.96; envelope-from=gordon@acumen-ea.com Received: from omta21.westchester.pa.mail.comcast.net ([76.96.62.72]) by qmta09.westchester.pa.mail.comcast.net with comcast id MpSn1i0041ZXKqc59pVweP; Sun, 15 Jan 2012 13:29:56 +0000 Received: from GordonHPelite ([76.27.173.182]) by omta21.westchester.pa.mail.comcast.net with comcast id MpVv1i01B3wUsn83hpVvUo; Sun, 15 Jan 2012 13:29:56 +0000 From: "Gordon Alling" To: Subject: Newbie to list Date: Sun, 15 Jan 2012 08:29:54 -0500 Message-ID: <001001ccd389$c4bc0b20$4e342160$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0011_01CCD35F.DBE60320" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AczTicR0czJVJo9SSC6AhmCUZJ5eUg== Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_0011_01CCD35F.DBE60320 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi all, I'm new to the flyrotary (FR) list and am building a Defiant with two turbo 13Bs. I am looking at mounting the engines "plugs up" as described by Neil Kruiswyk and tried to contact him at the home.com address listed on the FR website. My e-mail keeps bouncing back. Does anyone have a current address for Neil? Beyond that, I would like to identify others that have mounted these engines sideways (plugs-up). How many hours do your projects have on these installations? What issues have you uncovered that may be related to the plugs-up orientation? Has anyone found (more than expected) difficulty cooling that may be related to air pockets in the cooling jacket? What about engine mounting? How do you grab the engine block? Have you looked at the stresses at the attach points? I'm also considering a constant speed prop. Tracy Crook advises me that his PSRU will accept only electrically adjustable props and I have identified IVO and MT as possible suppliers. Are there other electrically adjustable props in this power category? Are there other PSRUs that accept a hydraulically actuated prop adjustment? Thanks in advance for any advice you all can offer. Gordon C. Alling, Jr., PE President acumen Engineering/Analysis, Inc. 540-786-2200 www.acumen-ea.com ------=_NextPart_000_0011_01CCD35F.DBE60320 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi = all,

 

I’m new to the flyrotary (FR) list and am = building a Defiant with two turbo 13Bs.  I am looking at mounting = the engines “plugs up” as described by Neil Kruiswyk and = tried to contact him at the home.com address listed on the FR = website.  My e-mail keeps bouncing back.  Does anyone have a = current address for Neil?

 

Beyond that, = I would like to identify others that have mounted these engines sideways = (plugs-up).  How many hours do your projects have on these = installations?  What issues have you uncovered that may be related = to the plugs-up orientation?  Has anyone found (more than expected) = difficulty cooling that may be related to air pockets in the cooling = jacket?

 

What about engine mounting?  How do you grab the = engine block?  Have you looked at the stresses at the attach = points?

 

I’m also considering a constant speed = prop.  Tracy Crook advises me that his PSRU will accept only = electrically adjustable props and I have identified IVO and MT as = possible suppliers.  Are there other electrically adjustable props = in this power category?  Are there other PSRUs that accept a = hydraulically actuated prop adjustment?

 

Thanks in = advance for any advice you all can offer.

 

Gordon C. = Alling, Jr., PE

President

a= cumen Engineering/Analysis, = Inc.

 

540-786-2200

www.acumen-ea.com

 

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