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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Gray, we have pushed and pushed and all
seems strong. How hard do you flex the repaired area? I know “hard” is HARD
to define. Dwayne</span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Gray E Fowler<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, May 19, 2008 3:59 PM<br>
<b><span style='font-weight:bold'>To:</span></b> General pattern discussion<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion]
Cutting CF and FG Panels???</span></font></p>
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</span></font><font size=2 face=sans-serif><span style='font-size:10.0pt;
font-family:sans-serif'>Dwayne</span></font> <br>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'>Did
you "Test Flex" the repaired area? make sure there is no outside skin
buckling before you apply the outside cosmetics. <br>
</span></font><br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
<br>
<br>
Gray Fowler<br>
Senior Principal Chemical Engineer<br>
Radomes and Specialty Apertures<br>
Technical Staff Composites Engineering<br>
Raytheon</span></font> <br>
<br>
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<p class=MsoNormal><b><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif;font-weight:bold'>"Dwayne Brown"
<dwaynenancy@suddenlink.net></span></font></b><font size=1
face=sans-serif><span style='font-size:7.5pt;font-family:sans-serif'> </span></font><br>
<font size=1 face=sans-serif><span style='font-size:7.5pt;font-family:sans-serif'>Sent
by: nsrca-discussion-bounces@lists.nsrca.org</span></font> </p>
<p><font size=1 face=sans-serif><span style='font-size:7.5pt;font-family:
sans-serif'>05/19/2008 03:45 PM</span></font> </p>
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respond to<br>
General pattern discussion <nsrca-discussion@lists.nsrca.org></span></font></p>
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif'>Re: [NSRCA-discussion] Cutting CF and FG
Panels???</span></font></p>
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<br>
</span></font><font size=2 color=navy face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:navy'>Speaking of cutting, Gray, the airplane has had
the CF installed. Now to microballoon/epoxy the outside, sand, primer and
paint. Thanks again for the CF. Dwayne</span></font> <br>
<font size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:navy'> </span></font> <br>
<font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>-----Original
Message-----<b><span style='font-weight:bold'><br>
From:</span></b> nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Gray E Fowler<b><span style='font-weight:bold'><br>
Sent:</span></b> Monday, May 19, 2008 8:24 AM<b><span style='font-weight:bold'><br>
To:</span></b> General pattern discussion<b><span style='font-weight:bold'><br>
Subject:</span></b> Re: [NSRCA-discussion] Cutting CF and FG Panels???</span></font>
<br>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
Larry</span></font> <br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
It never gets dull, but here at work we break them on occasion...probably set
up wrong. You are set for your entire pattern life...as a matter of fact people
could send stuff to you to cut and you could charge them 50 cents an inch or
so......after 10 years you will break even, just like everyone else who offers
pattern services.</span></font><br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
<br>
<br>
<br>
Gray Fowler<br>
Senior Principal Chemical Engineer<br>
Radomes and Specialty Apertures<br>
Technical Staff Composites Engineering<br>
Raytheon</span></font> </p>
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<p class=MsoNormal><b><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif;font-weight:bold'>"Lisa & Larry"
<lld613@psci.net></span></font></b><font size=1 face=sans-serif><span
style='font-size:7.5pt;font-family:sans-serif'> <br>
Sent by: nsrca-discussion-bounces@lists.nsrca.org</span></font> </p>
<p><font size=1 face=sans-serif><span style='font-size:7.5pt;font-family:
sans-serif'>05/17/2008 12:49 AM</span></font> </p>
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respond to<br>
General pattern discussion <nsrca-discussion@lists.nsrca.org></span></font></p>
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
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<nsrca-discussion@lists.nsrca.org></span></font> </p>
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif'>Re: [NSRCA-discussion] Cutting CF and FG
Panels???</span></font></p>
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</span></font><font size=2 color="#6260a1" face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:#6260A1'><br>
Gray,</span></font> <font size=2 color="#6260a1" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#6260A1'><br>
</span></font> <font size=2 color="#6260a1" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#6260A1'><br>
I did get a Tungsten Carbide band saw blade. Mc Master Carr doesn’t seem to
carry it. I bought mine at Industrial Carbide Saw out of Louisville, KY. Custom
length and had it in three days. Used it tonight and all I can say is smooth
easy cutting…Very impressive. Thanks for the tip.</span></font> <font size=2
color="#6260a1" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#6260A1'><br>
</span></font> <font size=2 color="#6260a1" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#6260A1'><br>
Was a bit pricy, but the weld is guaranteed for life and I don’t see me wearing
this blade out.</span></font> <font size=2 color="#6260a1" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#6260A1'><br>
</span></font> <font size=2 color="#6260a1" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#6260A1'><br>
Larry Diamond</span></font> <font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'><br>
</span></font> </p>
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font-family:Tahoma;font-weight:bold'><br>
From:</span></font></b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'> nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Gray E Fowler<b><span style='font-weight:bold'><br>
Sent:</span></b> Thursday, May 08, 2008 12:34 PM<b><span style='font-weight:
bold'><br>
To:</span></b> General pattern discussion<b><span style='font-weight:bold'><br>
Subject:</span></b> Re: [NSRCA-discussion] Cutting CF and FG Panels???</span></font>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:
sans-serif'><br>
<br>
Keith</span></font> <font size=2 face=sans-serif><span style='font-size:10.0pt;
font-family:sans-serif'><br>
<br>
Makes sense especially to increase stifness, but I ponder the weight savings after
adding the resin and fiber especially is you are laminating with the 5.7oz 3K
plain weave (most standard stuff). It is real easy to get over strong, and
landing gear usually needs a load distribution into the fuse more than super
strong gear plates. On my firewall, built out of lite ply by Lance, I
used 2oz glass to "Strengthen" the ply..it is a waffle design so very
stiff. The idea being that the fiberglass will help keep the lite ply from
fractures-or waffle delams-disbond. Cannot get 2oz CF and the 1K CF (4.2 oz) that
we make or canopies and chin cowls out of would be overkill.</span></font> <font
size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
Have you compared weights? that would be interesting. I never have but alway
worried about it.</span></font> <font size=2 face=sans-serif><span
style='font-size:10.0pt;font-family:sans-serif'><br>
<br>
How's that Guitar hero frustration game coming along for you? Any cyber groupies
yet or have you not made it to that level...like your son has...or did you not
realize your son was "involved" so to speak.<br>
<br>
<br>
<br>
<br>
Gray Fowler<br>
Senior Principal Chemical Engineer<br>
Radomes and Specialty Apertures<br>
Technical Staff Composites Engineering<br>
Raytheon</span></font> </p>
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<p class=MsoNormal><b><font size=1 face=sans-serif><span style='font-size:
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<tkeithblack@gmail.com></span></font></b><font size=1 face=sans-serif><span
style='font-size:7.5pt;font-family:sans-serif'> <br>
Sent by: nsrca-discussion-bounces@lists.nsrca.org</span></font> </p>
<p><font size=1 face=sans-serif><span style='font-size:7.5pt;font-family:
sans-serif'>05/08/2008 12:17 PM</span></font> </p>
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif'>Re: [NSRCA-discussion] Cutting CF and FG
Panels???</span></font></p>
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</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'><br>
<br>
I often laminate lite ply in situations where I don't think the lite ply will
be strong or stiff enough and I don't want the weight penalty of aircraft ply.
I also have laminated regular aircraft ply to give extra strength to things
like landing gear plates. This allows me to use a thinner aircraft ply (in my
mind anyways). </span></font><br>
<font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><br>
Keith Black</span></font> <br>
----- Original Message ----- <b><span style='font-weight:bold'><br>
From:</span></b> <a href="mailto:gfowler@raytheon.com">Gray E Fowler</a> <b><span
style='font-weight:bold'><br>
To:</span></b> <a href="mailto:nsrca-discussion@lists.nsrca.org">General
pattern discussion</a> <b><span style='font-weight:bold'><br>
Sent:</span></b> Wednesday, May 07, 2008 4:21 PM <b><span style='font-weight:
bold'><br>
Subject:</span></b> Re: [NSRCA-discussion] Cutting CF and FG Panels??? <font
size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
<br>
<br>
While at work I find these blades on the machine. Somehow they magically show
up. Where you would get them??? perhaps McMaster Carr</span></font> <font
size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
<br>
And what is you application that requires carbon fiber laminated on plywood?<br>
<br>
<br>
<br>
<br>
Gray Fowler<br>
Senior Principal Chemical Engineer<br>
Radomes and Specialty Apertures<br>
Technical Staff Composites Engineering<br>
Raytheon</span></font> </p>
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<p class=MsoNormal><b><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif;font-weight:bold'>"Keith Black"
<tkeithblack@gmail.com></span></font></b><font size=1 face=sans-serif><span
style='font-size:7.5pt;font-family:sans-serif'> <br>
Sent by: nsrca-discussion-bounces@lists.nsrca.org</span></font> </p>
<p><font size=1 face=sans-serif><span style='font-size:7.5pt;font-family:
sans-serif'>05/07/2008 03:15 PM</span></font> </p>
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respond to<br>
General pattern discussion <nsrca-discussion@lists.nsrca.org></span></font></p>
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
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<nsrca-discussion@lists.nsrca.org></span></font> </p>
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif'>Re: [NSRCA-discussion] Cutting CF and FG
Panels???</span></font></p>
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</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
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This doesn't sound like something one would find at the local hardware store.
Where can these blades be found?</span></font> <font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><br>
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BTW, what if you have aircraft ply laminated with carbon fiber? I would think
in this case one would need a blade with teeth.</span></font> <font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'><br>
<br>
Keith Black</span></font> <br>
----- Original Message ----- <b><span style='font-weight:bold'><br>
From:</span></b> <a href="mailto:gfowler@raytheon.com">Gray E Fowler</a> <b><span
style='font-weight:bold'><br>
To:</span></b> <a href="mailto:nsrca-discussion@lists.nsrca.org">General
pattern discussion</a> <b><span style='font-weight:bold'><br>
Sent:</span></b> Wednesday, May 07, 2008 8:31 AM <b><span style='font-weight:
bold'><br>
Subject:</span></b> Re: [NSRCA-discussion] Cutting CF and FG Panels??? <font
size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
<br>
<br>
Larry</span></font> <font size=2 face=sans-serif><span style='font-size:10.0pt;
font-family:sans-serif'><br>
<br>
The proper bandsaw blade for composites does not have any teeth on it at all. The
blade consists of a coating of tungsten carbide bits like rough sandpaper grit
adhered to the leading edge of the band. The blade cuts by abrasion and will
break before it wears out. Any blade with teeth is bad for composites as it
will dull and the teeth can grab and delaminate the sustrate or your bond to
the honeycomb.<br>
<br>
<br>
<br>
<br>
Gray Fowler<br>
Senior Principal Chemical Engineer<br>
Radomes and Specialty Apertures<br>
Technical Staff Composites Engineering<br>
Raytheon</span></font> </p>
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<p class=MsoNormal><b><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif;font-weight:bold'>"Lisa & Larry"
<lld613@psci.net></span></font></b><font size=1 face=sans-serif><span
style='font-size:7.5pt;font-family:sans-serif'> <br>
Sent by: nsrca-discussion-bounces@lists.nsrca.org</span></font> </p>
<p><font size=1 face=sans-serif><span style='font-size:7.5pt;font-family:
sans-serif'>05/06/2008 08:59 PM</span></font> </p>
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<p class=MsoNormal align=center style='text-align:center'><font size=1
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respond to<br>
General pattern discussion <nsrca-discussion@lists.nsrca.org></span></font></p>
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
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<p class=MsoNormal><font size=1 face=sans-serif><span style='font-size:
7.5pt;font-family:sans-serif'>[NSRCA-discussion] Cutting CF and FG
Panels???</span></font></p>
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</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
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What is the best blade to use on a band saw? It has 2 speeds, what is the best
speed (1,450 / 3,000 rpm)?<br>
<br>
I need to cut down two 12 x 24 panels and would like a clean edge ( 1/8”
CF/Nomex/CF panel, and a FG/Nomex/FG panel) .<br>
<br>
Nope, don't use the band saw much….<br>
<br>
Thanks,</span></font> <font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><br>
<br>
Larry Diamond</span></font><font size=2 face="Courier New"><span
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