[Amps] Building a Mock Up

[TexasRF at aol.com]

Both Lowes and Home Depot sell partial sheets of plywood of various  
thickness. Works well for mockup work.
 
73,
Gerald K5GW
 
 
 
In a message dated 11/18/2010 10:30:27 A.M. Central Standard Time,  
wc6w_amps at yahoo.com writes:

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 at stanford.edu  <gdaught6 at stanford.edu> wrote:

> From: gdaught6 at stanford.edu  <gdaught6 at stanford.edu>
> Subject: Re: [Amps] Building a Mock  Up
> To: amps at 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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