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From: "Bryan Winberry" <bryanwinberry@bellsouth.net>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
References: <list-3598884@logan.com>
Subject: RE: [FlyRotary] Brazing vs Epoxies : [FlyRotary] Re: Epoxies vs welding
Date: Mon, 27 Apr 2009 22:08:32 -0400
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Thanks Ed,
I may have to get my welding feet wet with the HTS-2000.
Doesn't sound like it would be an expensive experiment.  And if I can make
it work, I'd save quite a bit of $$.
BW
Did you have to smooth the inside of your runners?  Or a better way of
asking is, does this stuff form a bead similar to a weld that needs to be
cleaned up for smooth air flow?  

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Ed Anderson
Sent: Monday, April 27, 2009 9:19 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Brazing vs Epoxies : [FlyRotary] Re: Epoxies vs welding

Hi Bryan,

Not being a welder, I was searching for some means of securing my tubes to
some of the stock manifold castings I had machined for them.  JB Weld is
great stuff, but I just never felt confident enough in it to hold things
like that together.

I tried several aluminum brazing rods and really had no success (surely my
fault - other's must have), but I found an HTS-2000 supposedly 2nd
generation rod and it worked great for me.

Ed

Ed Anderson

Rv-6A N494BW Rotary Powered

Matthews, NC

eanderson@carolina.rr.com

http://www.andersonee.com

http://www.dmack.net/mazda/index.html

http://www.flyrotary.com/

http://members.cox.net/rogersda/rotary/configs.htm#N494BW

http://www.rotaryaviation.com/Rotorhead%20Truth.htm


-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Bryan Winberry
Sent: Monday, April 27, 2009 8:34 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Epoxies vs welding

Thanks Al,
I was thinking of an application like holding seated runners in the machined
manifold.  Or possibly joining tubing together.  The ability to contour and
smooth this product would seem suited here where air flow is an issue.  But
I don't know if it would stand up to all the rigors (vibration, heat, etc.)
Just throwing it out there since JB Weld is smoothing the ports on several
intakes out there.
Bryan

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Al Gietzen
Sent: Monday, April 27, 2009 2:25 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Epoxies vs welding


On another note, has anyone contemplated using the two part puttys in areas
like intake manifold construction.  I saw some in HD that claims good for
temps up to 450.  I'm hesitant, but this stuff seems to be a cousin to JB
Weld.
Bryan  

JB weld ( and similar) is wonderful stuff that adheres to almost anything,
and is amazingly strong.  So if need things to hold together and make a good
seal - great.  But if you need real strength, anything that just adheres to
the surface is not going to be as strong as a good weld.  So consider your
application, and what it has to do, and then decide.

FWIW,

Al G


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