X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: \eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: Received: from [129.116.87.170] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 864740 for flyrotary@lancaironline.net; Mon, 11 Apr 2005 09:14:33 -0400 Received-SPF: none receiver=logan.com; client-ip=129.116.87.170; envelope-from=mark.steitle@austin.utexas.edu X-MIMEOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C53E98.4CB0A223" Subject: RE: [FlyRotary] Re: SQ2000 flying again Date: Mon, 11 Apr 2005 08:13:49 -0500 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69EC0817F@MAIL01.austin.utexas.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: SQ2000 flying again Thread-Index: AcU+leBC7QuZ90lVSGONsAkKN+PFtQAAh/GQ From: "Mark R Steitle" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C53E98.4CB0A223 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Rusty, You could run a piece of 3/8" copper tubing through the inside before adding the sand. The copper tubing would help the inner tube to hold the proper shape yet be flexible enough to remove after cure. =20 =20 Mark S. =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Russell Duffy Sent: Monday, April 11, 2005 7:54 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: SQ2000 flying again =20 Did you see Richard Sohn's trick for making a fiberglass tube at Shady Bend? Basically you overfill a section of an inner tube with sand. Once filled you can bend and shape it. Glass it. Remove the sand. Peel out the inner tube. Bingo. A perfectly smooth fiberglass duct of the correct dimensions and shape. =20 =20 Hi John, =20 I heard about that, or read it somewhere, but never got around to trying it. Seems like it would need to be attached in place on the engine to make sure it was in the proper shape, but I don't have room to work around all the other stuff to try to glass it there. =20 =20 Now I could fill the hose with Sakrete and sand, then put some water in it before putting it in place. Once hardened, you could take it away, and glass it on the bench. Of course you'd have to put a couple layers on, then cut it apart to get it off the concrete tube, but you could easily put another layer on it go glue it back together. =20 =20 Maybe I'll just keep putting this off :-) =20 Cheers, Rusty ------_=_NextPart_001_01C53E98.4CB0A223 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Rusty,

You could run a piece of 3/8” = copper tubing through the inside before adding the sand.  The copper = tubing would help the inner tube to hold the proper shape yet be flexible enough to remove = after cure. 

 

Mark = S.

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Russell Duffy
Sent: Monday, April 11, = 2005 7:54 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = SQ2000 flying again

 

Did you see = Richard Sohn's trick for making a fiberglass tube at Shady Bend? Basically you = overfill a section of an inner tube with sand. Once filled you can bend and shape = it. Glass it. Remove the sand. Peel out the inner tube. Bingo. A = perfectly smooth fiberglass duct of the correct dimensions and = shape.  

 

Hi John,

 

I heard about that, or read it = somewhere, but never got around to trying it.   Seems like it would = need to be attached in place on the engine to make sure it was in = the proper shape, but I don't have room to work around all the other stuff to try = to glass it there. 

 

Now I could fill the hose with = Sakrete and sand, then put some water in it before putting it in place.  Once hardened, you could take it away, and glass it on the bench.  Of = course you'd have to put a couple layers on, then cut it apart to get it off = the concrete tube, but you could easily put another layer on it go glue it = back together.   

 

Maybe I'll just keep putting this = off :-)

 

Cheers,

Rusty

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