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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'>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></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<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 8:24 AM<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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style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-right:0in;margin-bottom:12.0pt;margin-left:
.5in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><br>
</span></font><font size=2 face=sans-serif><span style='font-size:10.0pt;
font-family:sans-serif'>Larry</span></font> <br>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'>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.<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'>"Lisa & Larry"
<lld613@psci.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'>05/17/2008</span></font><font size=1 face=sans-serif><span
style='font-size:7.5pt;font-family:sans-serif'> 12:49 AM</span></font> </p>
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<p class=MsoNormal align=center style='text-align:center'><font size=1
face=sans-serif><span style='font-size:7.5pt;font-family:sans-serif'>Please
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:
7.5pt;font-family:sans-serif'>"'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:
7.5pt;font-family:sans-serif'>Re: [NSRCA-discussion] Cutting CF and FG
Panels???</span></font></p>
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<br>
<br>
</span></font><font size=2 color="#6260a1" face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:#6260A1'>Gray,</span></font> <br>
<font size=2 color="#6260a1" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#6260A1'> </span></font> <br>
<font size=2 color="#6260a1" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#6260A1'>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 </span></font><font size=2 color="#6260a1" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#6260A1'>Louisville</span></font><font
size=2 color="#6260a1" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#6260A1'>, </span></font><font size=2 color="#6260a1" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#6260A1'>KY.</span></font><font
size=2 color="#6260a1" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#6260A1'> 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>
<br>
<font size=2 color="#6260a1" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#6260A1'> </span></font> <br>
<font size=2 color="#6260a1" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#6260A1'>Was a bit pricy, but the weld is guaranteed
for life and I don’t see me wearing this blade out.</span></font> <br>
<font size=2 color="#6260a1" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#6260A1'> </span></font> <br>
<font size=2 color="#6260a1" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#6260A1'>Larry Diamond</span></font> <br>
<font size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:navy'> </span></font> </p>
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</span></font><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>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>
<br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><br>
Keith</span></font> <br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><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> <br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><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.</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'>"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'>05/08/2008 12:17 PM</span></font> </p>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<p class=MsoNormal align=center style='text-align:center'><font size=1
face=sans-serif><span style='font-size:7.5pt;font-family:sans-serif'>Please
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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<br>
<br>
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'><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??? <br>
<font size=2 face=sans-serif><span style='font-size:10.0pt;font-family:sans-serif'><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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<p class=MsoNormal align=center style='text-align:center'><font size=1
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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:
Arial'><br>
<br>
This doesn't sound like something one would find at the local hardware store.
Where can these blades be found?</span></font> <br>
<font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><br>
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> <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 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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<lld613@psci.net></span></font></b><font size=1 face=sans-serif><span
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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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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:
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:
Arial'><br>
<br>
<br>
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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