This could indeed be a wheel from a wheat thresher because of the 29" size and
the center rib. I have tried to find a good shot of a steam tractor with a
wheat thresher. This site has a few years of photos and would be used to see
some examples of this design of wheel.
http://www.threshermen.org/2007showphotosFrame1Source1.htm
This has a steam tractor and a thresher, the wheels on the thresher would seem
to be about 29 or 30 inches. While a close examination shows these wheels to be
flat surfaced, I have seen the ridged wheels at Pontiac IL at the "Old
Thresher-man's Reunion" but I do not have a photo of those wheels.
http://www.wasco-history.r9esd.k12.or.us/comm/dufur/bee/thresh.html
As far as being a tensioner for a belt I have not seen ridged idler or
tensioner as it would cause wear to the belt. As you can--sort of---see on the
thresher the metal framework allows for pieces of metal to extend over or under
the belt with very small flat surfaced wheel(s)with a slight angle to help keep
the belt from slipping off. These small wheel usually look like sections from a
cone. As almost every one who has watched the steam tractors run the long belts
the engineer usually has a long wooden pole or paddle to slide the belt back
onto the center of the drive wheel (or more modernly -the power take-off).
As far as being a piece of railroad equipment I was wondering if any human
powered equipment would have used something like this for a fly wheel? That is
all I have.
--- In CBQ@yahoogroups.com, "dieselpop1" <dieselpop1@...> wrote:
>
> Definite possibility there. The rib would keep the tracks aligned.
> W. D. Hoy
>
> --- In CBQ@yahoogroups.com, Jan Kohl <j.kohl@> wrote:
> >
> > Unlikely. Most front tractor tires were not one-piece cast:
> > http://transport.castlegraphics.com/displayimage.php?album=2&pos=7
> > http://transport.castlegraphics.com/displayimage.php?album=2&pos=9
> > http://transport.castlegraphics.com/displayimage.php?album=2&pos=10
> > http://transport.castlegraphics.com/displayimage.php?album=2&pos=14
> >
> > The only one-piece cast front tractor tire I have ever seen is this one: it
> > is
> > not identical or even close. However, doesn't mean that it doesn't exist.
> > http://transport.castlegraphics.com/displayimage.php?album=2&pos=18
> >
> > What I suspect is that it is an idler or roller for a tracked vehicle, such
> > as a
> > vintage dozer.
> > http://farm4.staticflickr.com/3653/3371336842_0d6d43d088_o.jpg
> > http://www.publiquip.com/photo/1533107891.jpg
> > http://farm7.staticflickr.com/6169/6170407786_9bd5c2704c_o.jpg
> >
> > Cheers!
> >
> > Jan Kohl
> > castlegraphics.com
> >
> >
> >
> >
> > On 7/13/2012 8:29 AM, Douglas Harding wrote:
> > > Looks like the front wheel of a steam tractor. Most had a center rib on
> > > the
> > > tread.
> > >
> > >
> > >
> > > Doug Harding
> > >
> > > www.iowacentralrr.org
> > >
> > >
> > >
> > >
> >
>
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