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Date: Mon, 22 Jan 2007 07:33:05 -0800 (PST)
From: James Maher <deltaflyer@prodigy.net>
Subject: Re: [FlyRotary] Re: alcohol in fuel
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-1781555@logan.com>
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I used both the Aeropoxy and West Systems in the construction of my integral fuel tank.
  I can now confirm that the tank has been severely deteriorated by the use of auto fuel, mostly in the last year or two since ethanol has been added.
  Jim
  Dyke Delta N11XD

Dale Rogers <dale.r@cox.net> wrote:
  To put a bit of perspective on this, one will be hard pressed to find a 
laminating epoxy that is in the 100:25 range, such as Al W wrote.


E-Z Poxy  100:45 by weight

MGS 285/287 (and 335)  100:45 by weight

Pro-Set 100:30 by weight

AEROPOXY is 100:27 by weight 

ACSpruce's data on the West System 105/205 spec was "5:1" 
which suggests it is a volume measurement, but it doesn't have 
the Rutan Blessing, last I knew.

IIRC, Perry Mick used MGS 335 and runs auto fuel in his EZ.


Al Gietzen wrote:                   Al W wrote:
   
  After flying for six years, finally removed and disassembled my glass and
  foam header tank. During those six years I periodically used ethanol fuel
  and whatever. Always used auto fuel.  No evidence of degradation of any
  component....soft aluminum, foam, epoxy. All looks perfect. 
   
  That’s good news.
   
  Just a reminder, all epoxy that is fuel exposed must be high ratio type.
  Like 4 to 1.   50/50 ratio epoxies can NOT handle “fuel” over time.
   
  That’s bad news.  Should I conclude from this that EZ-poxy (44-56 by weight) will NOT handle fuel with ethanol?  I assume when you say “fuel” you mean fuel with ethanol, since experience has shown that EZ-poxy has handled auto fuel for periods of 15 years in some EZs.
   
  Al G
   


  
--    Homepage:  http://www.flyrotary.com/    Archive and UnSub:   http://mail.lancaironline.net/lists/flyrotary/



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<DIV>I used both the Aeropoxy and West Systems in the construction of my integral fuel tank.</DIV>  <DIV>I can now confirm that the tank has been severely deteriorated by the use of auto fuel, mostly in the last year or two since ethanol has been added.</DIV>  <DIV>Jim</DIV>  <DIV>Dyke Delta N11XD<BR><BR><B><I>Dale Rogers &lt;dale.r@cox.net&gt;</I></B> wrote:</DIV>  <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">To put a bit of perspective on this, one will be hard pressed to find a <BR>laminating epoxy that is in the 100:25 range, such as Al W wrote.<BR><BR><BR>E-Z Poxy&nbsp; 100:45 by weight<BR><BR>MGS 285/287 (and 335)&nbsp; 100:45 by weight<BR><BR>Pro-Set 100:30 by weight<BR><BR>AEROPOXY is 100:27 by weight <BR><BR>ACSpruce's data on the West System 105/205 spec was "5:1" <BR>which suggests it is a volume measurement, but it doesn't have <BR>the Rutan Blessing, last I knew.<BR><BR>IIRC, Perry Mick used MGS 335 and
 runs auto fuel in his EZ.<BR><BR><BR>Al Gietzen wrote:   <BLOCKQUOTE cite=midlist-1781118@logan.com type="cite">  <META content="Microsoft Word 10 (filtered)" name=Generator>  <STYLE>  <!--   /* Font Definitions */   @font-face   {font-family:Verdana;   panose-1:2 11 6 4 3 5 4 4 2 4;}  @font-face   {font-family:Nimrod;   panose-1:2 4 5 3 5 4 1 2 2 4;}   /* Style Definitions */   p.MsoNormal, li.MsoNormal, div.MsoNormal   {margin:0in;   margin-bottom:.0001pt;   font-size:12.0pt;   font-family:"Times New Roman";}  a:link, span.MsoHyperlink   {color:blue;   text-decoration:underline;}  a:visited, span.MsoHyperlinkFollowed   {color:purple;   text-decoration:underline;}  p.MsoPlainText, li.MsoPlainText, div.MsoPlainText   {margin:0in;   margin-bottom:.0001pt;   font-size:11.0pt;   font-family:Nimrod;}  @page Section1   {size:8.5in 11.0in;   margin:1.0in 62.3pt 1.0in 62.3pt;}  div.Section1   {page:Section1;}  -->    </STYLE>    <DIV class=Section1>  <DIV class=MsoPlainText><FONT
 face=Verdana color=blue size=2><SPAN style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana">Al W wrote:</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Nimrod color=black size=2><SPAN style="FONT-SIZE: 11pt; COLOR: black"></SPAN></FONT>&nbsp;</DIV>  <DIV class=MsoPlainText><FONT face=Nimrod size=2><SPAN style="FONT-SIZE: 11pt">After flying for six years, finally removed and disassembled my glass and</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Nimrod size=2><SPAN style="FONT-SIZE: 11pt">foam header tank. During those six years I periodically used ethanol fuel</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Nimrod size=2><SPAN style="FONT-SIZE: 11pt">and whatever. Always used auto fuel.&nbsp; No evidence of degradation of any</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Nimrod size=2><SPAN style="FONT-SIZE: 11pt">component....soft aluminum, foam, epoxy. All looks perfect. </SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT
 face=Nimrod color=black size=2><SPAN style="FONT-SIZE: 11pt; COLOR: black"></SPAN></FONT>&nbsp;</DIV>  <DIV class=MsoPlainText><FONT face=Verdana color=blue size=2><SPAN style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana">That’s good news.</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Nimrod size=2><SPAN style="FONT-SIZE: 11pt"></SPAN></FONT>&nbsp;</DIV>  <DIV class=MsoPlainText><FONT face=Nimrod size=2><SPAN style="FONT-SIZE: 11pt">Just a reminder, all epoxy that is fuel exposed must be high ratio type.</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Nimrod size=2><SPAN style="FONT-SIZE: 11pt">Like 4 to 1.&nbsp;&nbsp; 50/50 ratio epoxies can NOT handle “fuel” over time.</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Nimrod size=2><SPAN style="FONT-SIZE: 11pt"></SPAN></FONT>&nbsp;</DIV>  <DIV class=MsoPlainText><FONT face=Verdana color=blue size=2><SPAN style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana">That’s bad news.&nbsp;
 Should I conclude from this that EZ-poxy (44-56 by weight) will NOT handle fuel with ethanol?&nbsp; I assume when you say “fuel” you mean fuel with ethanol, since experience has shown that EZ-poxy has handled auto fuel for periods of 15 years in some EZs.</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Verdana color=blue size=2><SPAN style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana"></SPAN></FONT>&nbsp;</DIV>  <DIV class=MsoPlainText><FONT face=Verdana color=blue size=2><SPAN style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana">Al G</SPAN></FONT></DIV>  <DIV class=MsoPlainText><FONT face=Verdana color=blue size=2><SPAN style="FONT-SIZE: 11pt; COLOR: blue; FONT-FAMILY: Verdana"></SPAN></FONT>&nbsp;</DIV></DIV></BLOCKQUOTE><BR>  <DIV><PRE>--    Homepage:  http://www.flyrotary.com/    Archive and UnSub:   http://mail.lancaironline.net/lists/flyrotary/</PRE></DIV></BLOCKQUOTE><BR>
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