question regarding header & tuned pipe

Gray E Fowler gfowler at raytheon.com
Wed Mar 26 07:32:07 AKST 2003


ATK company mission: "Take over the world"  They have always been big into 
filament wound rocket motors casings. They just do not make propellant, 
they design and manufacture the entire rocket motor. Senator Byrd secured 
ATK a huge composite facility in poor old W Virginia paid for by you and 
me so there is something to work on in WV. Now ATK has a huge robotic tape 
laying facility in WV paid for by the government (Pork Barrelness at work) 
and they compete with othe comapnies that had to buy equipment on their 
own nickel. 

This is a private opinion, not the company I work for.



Gray Fowler
Principal Chemical Engineer
Composites Engineering




"Harry W. Southwell II" <bnbsouthwell at avsia.com>
Sent by: discussion-request at nsrca.org
03/26/2003 10:03 AM
Please respond to discussion

 
        To:     <discussion at nsrca.org>
        cc: 
        Subject:        Re: question regarding header & tuned pipe


Hi Bill,
 
    ATK has a plant about 10-12 miles from were I live. They received a 
contract for composite components on the Delta II,III,IV through 2008.
 
here is a web link to ATK:http://www.atk.com/homepage
 
Regards
Bill
 
 
----- Original Message ----- 
From: Bill Glaze 
To: discussion at nsrca.org 
Sent: Wednesday, March 26, 2003 10:59 AM
Subject: Re: question regarding header & tuned pipe

Gray: 
Curiosity:  Morton Thiokol supplies not just the rocket propellant, 
(which, we were told many years ago was a derivative of liquid rubber) but 
they also supply the rocket casings?  Interesting. 
Bill Glaze 
Gray E Fowler wrote: 

Tom-had to resend without all the attachments 
Morton Thiokol does not make resin, BUT you are on to 
something......Morton Thiokol, now called ATK ,filament winds rocket motor 
casings, and that Shell 8500 is a favorite of filament winder guys. 
Epoxies typically have extremely long shelf lifes. Some preformulated 
epoxies do have consituents that may increase the viscosity with age, if 
not refridgerated. As far as cost goes it is all relative. There are 
expensive epoxies at about $15 lb.  Regular epoxy (bisphenol A) is $3 lb 
when purchased in a 55 gallon drum and  about twice that by the gallon. 
High temperature resistance usually comes from th echoice of hardener not 
the epoxy resin.  Epoxy resins that can increase temperature 
(multifunctional) resistance are solids at room temperature-not too 
pattern guy user friendly. Preformulated epoxy systems cost 5X-10X the raw 
material-usually from the hardener side. Example-West systems epoxy is a 
"formulated" hardener , ! that is a blend of several components and the 
epoxy side is packaged straight from the drum. 
 
 
 
 
Gray Fowler 
Principal Chemical Engineer 
Composites Engineering

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