[TheForge] 36" diameter ring

Tue Aug 5 22:35:01 2003

The center of the "tire" is going to be half a thickness further out than
the inside dia.
The length of the flat stock ,if measured  36" X pi , will be short because
the centroid of the mass remains in the same spot.
HUH?

dan tull
georgia
abba, afc, S.C. psba, obg,sofa
----- Original Message ----- 
From: "Ralph Sproul" <[email protected]>
To: <[email protected]>
Sent: Tuesday, August 05, 2003 10:31 PM
Subject: Re: [TheForge] 36" diameter ring

> Dan,  What is a centroid?   haven't heard that term before.
>
> Ralph
>
> ----- Original Message -----
> From: "Dan Tull" <[email protected]>
> To: <[email protected]>
> Sent: Tuesday, August 05, 2003 10:03 PM
> Subject: Re: [TheForge] 36" diameter ring
>
>
> > #1 you could d oit on the horn.  Why just use the top?
> > #2 forks can be : a pin welded to the top of an angle iron X2 fully
> > adjustable in the post vise.
> > #3 cut length is proportional to the thickness of the "tire".  Cut to
> length
> > of pi X d, scarf ends add ~ 2X t
> > to take care of centroid .
> >
> >
> > dan tull
> > georgia
> > abba, afc, S.C. psba, obg,sofa
> > ----- Original Message -----
> > From: "Bob Rackers" <[email protected]>
> > To: "TheForge" <[email protected]>
> > Sent: Tuesday, August 05, 2003 9:24 PM
> > Subject: [TheForge] 36" diameter ring
> >
> >
> > > I need to make a ring 36" in diameter from 2" x 1/4".
> > > Although I may call a friend to use his tire roller, I am curious
about
> > hearing
> > > of other methods of making it.
> > > I can't bend it over the horn of the anvil, since the top of the horn
is
> > only
> > > 31" above the floor.
> > >
> > > I'm sure someone will suggest bending forks, and I'd like to know how
> you
> > make
> > > sure you do it evenly and check your progress as you go along.
> > >
> > > Last question is the rule of thumb for final length of the stock in
> order
> > to
> > > forge-weld the ring together.
> > >
> > > Thanks.
> > >
> > > Bob
> > >
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