Alt-BEAM Archive

Message #04606



To: beam@sgiblab.sgi.com
From: bpbp88 bpbp88@gateway.net
Date: Thu, 17 Jun 1999 17:28:46 -0600
Subject: [alt-beam] Re: glue for metals...


Reddy, One thing i used to use on r/c cars that worked great is SHOE GOO
or i think its called GOO also. It bonds great and is plyable too!!! It
took a chisel to get it off, its only about 2 or 3 bucks a tube try
kmart walmart or big name hardwares. Let us know how your project turns
out. Bob Pildner

G.R.Reddy wrote:
>
> Hi!
>
> The vibrations are soft but consistent. I can rearrange the layout to isolate the
> vibrations in my next version, but for now, i want to get this thing done.
>
> The electronics are assembled in this aluminum box for shielding, heat dissipation
> as well as protection purpose. I am trying to glue this to main aluminum structure
> (on which, i do not want to drill holes for rivets). The contact area for the
> gluing is around 4 sq. inches. The box weighs around 500 grams. If it comes of one
> more time i've decided to wrap fiber glass tape to reinforce the joint.
>
> Reddy
> -------------------------------------------------
>
> Bob Shannon wrote:
>
> > Lemme guess, gas engine, or a really honkin' big electric?
> >
> > Are you sure your not having a dynamic prop imballance?
> >
> > I learned to fly, and some basic aerobatics in a alumimun and epoxy
> > Grumman with a over-sized engine. That epoxy bonding sure stuck
> > well.
> >
> > Just how much viberation do you have?
> >
> > "G.R.Reddy" wrote:
> >
> > > Hi!
> > >
> > > Thanks for all the suggestions.
> > > I did take all the precautions of sanding it with fine grain paper, 3m scrub
> > > wash and final clean with isopropyl alcohol just before applying the glue.
> > > But nothing seems to work. The problem could be the brittleness of the epoxy
> > > glues.
> > > I'll try rubber layer technique and see if it holds.
> > >
> > > Thanks again for suggestion.
> > > Reddy
> > > ----------------------------------------------------
> > >
> > > > G.R.Reddy wrote:
> > > > >
> > > > > Hi!
> > > > >
> > > > > I am having problems sticking two 1mm thick sheets of aluminum. I tried
> > > > > araldite and other general purpose epoxy glues, but its not strong
> > > > > enough. I would really appreciate if some one can suggest me some sure
> > > > > shot glue to stick aluminium. This is for my autonomous flying machine.
> > > > > The problem could be vibrations caused by engine. Presently nothing
> > > > > works, i just want to get over my initial problems of things falling
> > > > > apart.
> > > > >
> > > > > Thanks
> > > > > Reddy

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