Buttressed Arch. Question for Ron N.

[Erwinspiano at aol.com]

Fenton
  You can always use my pneumatic press.  It's crowned  steeper.
  Dale


>  I agree, or even 5.0. Unless you decrease crown radii,
> increase rib  number, increase rib depth, or all three, you're
> going to need the  panel compression support. Ideally, the "all
> three" would be a better  choice, but the go-bar deck would
> need an overhaul.
>
>  Ron N


 
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