Big piece of steel  non galvanized pipe.  you can drill it for cross 
spikes to keep the cow from spinning on it.

On 6/23/2012 3:01 PM, Joseph Sullivan wrote:
> Oh wise Galooots:
>
> I am toying with the idea of making a heavy spit for outdoor rotary cooking
> of large cuts of meat, of say, up to 50 lbs, but also of smaller stuff like
> chickens.  Does anyone have any experience?  Does anyone have any design
> suggestions?  Right now, I am at the bare basic beginning of this concept.
>
> J
>
> Joseph Sullivan
>
>
>
>
> ------------------------------------------------------------------------
> OldTools is a mailing list catering to the interests of hand tool
> aficionados, both collectors and users, to discuss the history, usage,
> value, location, availability, collectibility, and restoration of
> traditional handtools, especially woodworking tools.
>
> To change your subscription options:
> http://ruckus.law.cornell.edu/mailman/listinfo/oldtools
>
> To read the FAQ:
> http://swingleydev.com/archive/faq.html
>
> OldTools archive: http://swingleydev.com/archive/
>
> OldTools@r...
> http://ruckus.law.cornell.edu/mailman/listinfo/oldtools
>

------------------------------------------------------------------------