X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [216.211.128.10] (HELO mail-in03.adhost.com) by logan.com (CommuniGate Pro SMTP 5.0.4) with ESMTP id 883959 for flyrotary@lancaironline.net; Thu, 15 Dec 2005 17:43:29 -0500 Received-SPF: none receiver=logan.com; client-ip=216.211.128.10; envelope-from=joeh@pilgrimtech.com Received: from Pilgrim10 (tide514.microsoft.com [131.107.0.84]) by mail-in03.adhost.com (Postfix) with ESMTP id B2AB82FED26 for ; Thu, 15 Dec 2005 14:41:50 -0800 (PST) (envelope-from joeh@pilgrimtech.com) From: "Joe Hull" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] cowl Date: Thu, 15 Dec 2005 14:41:55 -0800 Message-ID: <012501c601c8$c4596e00$0708460a@redmond.corp.microsoft.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0126_01C60185.B6362E00" X-Mailer: Microsoft Office Outlook 11 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 Thread-Index: AcYBxvAZBUWPaJdIQUKdni7tazfz6AAAISlw This is a multi-part message in MIME format. ------=_NextPart_000_0126_01C60185.B6362E00 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit I'm pretty sure the pink stuff I used is polystyrene (and I think Ed or Al mentioned that they used some as well). When you sand it make sure you don't use too much pressure. I was using 40grit for shaping and that works OK with light to medium pressure. If you push hard it will tear the foam and you end up with a gouge. If you really want to make quick work of shaping your cowl get some Urethane foam from you local roofing supplier or florist (used in the bottom of vases to hold flowers). It's a really light weight and brittle foam that you can sand my just looking at it (well almost). It can be shaped really quickly - but you need to be really careful with hitting or touching it - it dings really, really easily. Also, duct tape won't stick to it so you do have to fill the finished shape with Micro or plaster / drywall mud and then sand that smooth and paint for release before fiberglassing. Joe Hull Cozy Mk-IV #991 (preping for DAR inspection - details, details) Redmond (Seattle), Washington _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of John Downing Sent: Thursday, December 15, 2005 2:27 PM To: Rotary motors in aircraft Subject: [FlyRotary] cowl Joe Hull; Thanks for your home page address, it had some really good things on doing the cowling. Well I seen that you were using some pink form, so I headed down to the lumber yard to get some pink foam. The guy says, we don't have pink, we have green, da, polystyrene, is this the same as the pink foam. Thankyou. JohnD ------=_NextPart_000_0126_01C60185.B6362E00 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

I’m pretty sure the pink = stuff I used is polystyrene (and I think Ed or Al mentioned that they used some = as well).

When you sand it make sure you = don’t use too much pressure. I was using 40grit for shaping and that works OK = with light to medium pressure. If you push hard it will tear the foam and you = end up with a gouge.

 

If you really want to make quick = work of shaping your cowl get some Urethane foam from you local roofing supplier = or florist (used in the bottom of vases to hold flowers). It’s a = really light weight and brittle foam that you can sand my just looking at it = (well almost). It can be shaped really quickly – but you need to be = really careful with hitting or touching it – it dings really, really = easily. Also, duct tape won’t stick to it so you do have to fill the = finished shape with Micro or plaster / drywall mud and then sand that smooth and = paint for release before fiberglassing.

 

Joe = Hull

Cozy Mk-IV #991 (preping for DAR = inspection - details, details)

Redmond (Seattle), Washington

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of John Downing
Sent: Thursday, December = 15, 2005 2:27 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] = cowl

 

Joe Hull;  Thanks for your home page address, it = had some really good things on doing the cowling.  Well I seen that you = were using some pink form, so I headed down to the lumber yard to get some = pink foam.  The guy says, we don't have pink, we have green, da, polystyrene, is this the same as the pink foam.  Thankyou.  = JohnD

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