Hi Lee et al,
I used to use cardboard for mockups but, for the past couple years I've been
using the corrugated plastic that's employed in temporary roadside advertising.
It's stronger than cardboard, cuts easily on a paper cutter, and can even be
punched. Plus it holds together way better than cardboard with clear packing
tape.
I most recently used the technique for the redo seen at the bottom of this
page:
http://qsl.net/wc6w/wc6wamps/index.html?fr11.html
Some of the mounting plates required multiple mockups!
73 & Good morning,
Marv WC6W
http://qsl.net/wc6w/
--- On Wed, 11/17/10, gdaught6@stanford.edu <gdaught6@stanford.edu> wrote:
> From: gdaught6@stanford.edu <gdaught6@stanford.edu>
> Subject: Re: [Amps] Building a Mock Up
> To: amps@contesting.com
> Date: Wednesday, November 17, 2010, 10:07 AM
> Lee wrote:
>
> > How many of you amp builders make a mock up of the
> chassis and layout in
> > "cardboard" before you start cutting, bending and
> drilling metal?
>
> I do one in cardboard to try to 'optimize' layout (never
> knowing what will really be
> optimum) then I do one in thin aluminum, to get all of the
> holes where I want them.
> I try to visualize and then mount all of the 'little stuff'
> like screws that will hold the
> bias board, and RF connectors for the relays, etc. I
> REALLY DON'T WANT to have
> to tear into the 80% built final version to drill a little
> hole.
>
> Due to my inability to engineer the whole thing properly
> from beginning to end, I
> sometimes end up with 'one way' construction. That is
> to say I install a thing which
> prevents access to an underlying thing, which covers
> another layer of... you get the
> idea.
>
> To me a fairly complete mechanical mock-up (with no
> electricity ever applied, except
> maybe to the fan, to make sure the airflow is appropriate)
> is a very helpful thing. If
> you're more clever than I, your mileage may vary
> considerably.
>
> 73,
>
> George T Daughters, K6GT
> CU in the California QSO Party (CQP)
> October 1-2, 2011
>
>
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