X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 64 [XX] (50%) URL: contains host with port number (50%) RECEIVED: IP not found on home country list Return-Path: Received: from mail03.syd.optusnet.com.au ([211.29.132.184] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTPS id 2031037 for flyrotary@lancaironline.net; Mon, 07 May 2007 18:57:10 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.184; envelope-from=lendich@optusnet.com.au Received: from george (d58-109-28-209.dsl.nsw.optusnet.com.au [58.109.28.209]) by mail03.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l47Mu6cb001200 for ; Tue, 8 May 2007 08:56:08 +1000 Message-ID: <004501c790fa$e8db2c10$d11c6d3a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Engine mount mockup Date: Tue, 8 May 2007 08:56:10 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0041_01C7914E.B9454630" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0041_01C7914E.B9454630 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Michael, Having now seen the drawings I like the idea of the doubler plates - = your engine installation will indeed be over 300 lbs. George George, Lynn et all: Here are some details of the drawings for the Flaconar F-12 standard = engine mount per design. It is standard on many certified Jodel and = Emeraude aircraft in Europe. Hans Teijgeler is running his Engelfeler = Subaru on his Jodel DR1050 putting out about 160 hp w/ a constant speed = prop on his mount built this way.=20 I do like the idea of the end cap triangles on the angle brackets. = Possibly one may even be added to the center between the 2 bolts. = Washers or doublers to spread the load as per Lynn's suggestion is good = to. I will also add the back strap (doubler plates) as shown on the = drawings for engines over 300 lbs. I did a quick search for 1&1/2" 4130 = in square tube at the usual distributors but came up short. 1&=BC" X1" = is all that they show. If any body has a source for this please do let = me know.=20 thanks for your collective advice: Michael Silvius Scarborough, Maine ----- Original Message -----=20 From: George Lendich=20 Sent: Sunday, May 06, 2007 6:32 PM Subject: Re: [FlyRotary] Re: Engine mount mockup Lynn, Had the same concerns myself at first glance, but when advised that = it was standard on light weight engine mounts, I felt a little better = about it. My approach would have been a piece of triangled 4130 - of course = this causes bolt/nut access problems, but could be overcome, in a number = of ways. What it does give is a nice flat area on which to weld the tubes as = well as a wider area to spread the load and two bolts through the = firewall hard points, compared to one. One idea might be a triangle with two small tubes to carry the = firewall bolts. Just some of my thoughts on the subject, always looking for better = ways!! George ( down under) -------------------------------------------------------------------------= ----- -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_0041_01C7914E.B9454630 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Michael,
Having now seen the drawings I like the idea of the = doubler=20 plates - your engine installation will indeed be over 300 = lbs.
George
George, Lynn et all:
 
Here are some details of the drawings for the = Flaconar F-12=20 standard engine mount per design. It is standard on many certified = Jodel and=20 Emeraude aircraft in Europe. Hans Teijgeler is running his Engelfeler = Subaru=20 on his Jodel DR1050 putting out about 160 hp w/ a constant speed prop = on his=20 mount built this way.

I do like the idea of the end cap triangles on the angle brackets. = Possibly=20 one may even be added to the center between the 2 bolts. Washers or = doublers=20 to spread the load as per Lynn's suggestion is good to. I will also = add the=20 back strap (doubler plates) as shown on the drawings for engines over = 300 lbs.=20 I did a quick search for 1&1/2" 4130 in square tube at the usual=20 distributors but came up short. 1&=BC=94 X1=94 is all that they = show. If any=20 body has a source for this please do let me know.

thanks for your collective advice:

Michael Silvius

Scarborough, Maine

 

----- Original Message -----
From:=20 George Lendich
Sent: Sunday, May 06, 2007 = 6:32=20 PM
Subject: Re: [FlyRotary] Re: = Engine=20 mount mockup

Lynn,
Had the same concerns myself at first glance, = but when=20 advised that it was standard on light weight engine mounts, I felt a = little=20 better about it.
My approach would have been a piece of triangled = 4130 - of=20 course this causes bolt/nut access problems, but could be = overcome, in=20 a number of ways.
What it does give is a nice flat area on which = to weld the=20 tubes as well as a wider area to spread the load and two bolts = through the=20 firewall hard points, compared to one.
One idea might be a triangle with two small = tubes to carry=20 the firewall bolts.
Just some of my thoughts on the subject, always = looking=20 for better ways!!
George ( down under)

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Homepage:  http://www.flyrotary.com/
Archive and=20 UnSub:  =20 = http://mail.lancaironline.net:81/lists/flyrotary/List.html
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