[TheForge] Hammer

[xlch58 at swbell.net]

Mark A. Pesetsky wrote:
> Ok....I am in the beginning stages of building an air hammer and I have
> a question concerning the hammer guides. Which design is preferred by
> those of you that have built hammer (s)? This style guide:
>
> http://www.artistblacksmith.com/75lbairhammer.jpg
>
> Or the back plate guide like this:
>
> http://www.paaba.net/FS-Fugate01.jpg
>
> Also, what are the advantages (if any) to the first guide system, as I
> am leaning towards that design.
>
> I figured I would ask before getting further into the build. I will post
> what I have done thus far once I get the pics up on my site.
>
> TIA
> Mark 
>  
> __

The first design will make it easier to design a machine with a deeper 
throat.  The cantilever of the second design would tend to rack the 
slide on the guide with a considerable moment arm.  The first design 
avoids this. 

Charles