[TheForge] Krause/Nazel type air hammer

[Gladish Family]

> I think the timing of the opening valves in relation to each
> other would be
> more important than the shape. Why would the shape make that much of a
> difference? Wouldn't the air flow be more important than the shape of a
> small crescent or small rectangle?
> L Brown

In a word, control.
Sudden changes in air flow, coordinated or not, are an obstacle to fine
forging. May or not really be a problem, I haven't heard whether anybody has
actually tried this config.