I'm a little confused as well what you are trying to figure out but if you haven't noticed at the bottom of the descriptions page of each circuit under "notes" you'll see the dimensions for the mounting holes on the pcb.
--- In cgs_synth@yahoogroups.com, Dmitri SFC <dankedout415@...> wrote:
>
> "I'm building a new system that is 4U / 7 inches in a 17 inch rack rails.
> What I can't seem to figure out is where should the mounting screws should
> be.
> My panels sizes are 4.25" / 4 1/4" or 1.75" / 1 3/4".
> Any ideas?
>
> 4.25" you must be doing Buchla Style. When doing individual or "Uni /4U" I
> always line up the PCB on top of the panel before populating the panel and
> mark/add two holes for mounting while making sure the holes will not in the
> way of a pot.
> here is an example of the mounting holes diagonal from each other. Notice
> they are different for every panel because the PCB widths are different.
> http://www.coa-modular.com/wp-content/uploads/2012/10/622184_10151235486195960_1626792267_o.jpg
>
> Or do you mean mounting screws for mounting the panels into the rack ? That
> would depend on your rails.
> d
>
>
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