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Mail Archives: geda-user/2016/04/14/09:28:21

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Subject: Re: [geda-user] Tyring to build this on wheezy, fails
Date: Thu, 14 Apr 2016 09:27:52 -0400
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Reply-To: geda-user AT delorie DOT com

On Thursday 14 April 2016 08:17:51 Erich Heinzle (a1039181 AT gmail DOT com) 
[via geda-user AT delorie DOT com] wrote:

> I have done the best I could, based on the ebay listing's drawing.
>
> For those trying to convert existing dxf design data to pcb, Gabriel
> Denk's utility https://sourceforge.net/projects/dxf2pcb/ is worth
> mentioning, although I have not tried it yet.
>
> Gene, try the following text, saved as tube807.fp
> You will need to check the hole locations and sizes to ensure they are
> correct for the sockets as supplied.
>
> Element["tube807" "" "" "" 30.0000mm 10.5000mm 0.0000 0.0000 0 100 ""]
> (
>     Pin[30.000mm 10.500mm 3.5000mm 20.00mil 3.6524mm 3.1000mm "1" "1"
> "hole"]
>     Pin[30.000mm 49.500mm 3.5000mm 20.00mil 3.6524mm 3.1000mm "2" "1"
> "hole"]
>     Pin[30.000mm 30.000mm 32.1016mm 20.00mil 32.2540mm 32.0000mm "3"
> "1" "hole"]
>     ElementLine[24.7500mm 53.3380mm 15.9460mm 41.2180mm 0.4mm]
>     ElementLine[24.7500mm 6.7500mm 15.94600mm 18.7840mm 0.4mm]
>     ElementLine[44.054mm 18.784mm 35.2500mm 6.7500mm 0.4mm]
>     ElementLine[44.054mm 41.2180mm 35.2500mm 53.3380mm 0.4mm]
>     ElementArc[30.0000mm 10.5000mm 6.5000mm 6.5000mm -90 -54 0.4mm]
>     ElementArc[30.0000mm 10.5000mm 6.5000mm 6.5000mm -90 54 0.4mm]
>     ElementArc[30.0000mm 49.5000mm 6.5000mm 6.5000mm 90 54 0.4mm]
>     ElementArc[30.0000mm 49.5000mm 6.5000mm 6.5000mm 90 -54 0.4mm]
>     ElementArc[30.0000mm 30.0000mm 18.0000mm 18.0000mm 180 40 0.4mm]
>     ElementArc[30.0000mm 30.0000mm 18.0000mm 18.0000mm -40 40 0.4mm]
>     ElementArc[30.0000mm 30.0000mm 18.0000mm 18.0000mm 0 40 0.4mm]
>     ElementArc[30.0000mm 30.0000mm 18.0000mm 18.0000mm 140 40 0.4mm]
>
> )

I've done that, but this may be more complex than needed. The sockets 
pins are wired to the pcb with jumpers, so basically I need the hole 
diameter in the board, an elliptical conductor clearance spec, and the 
two mounting boltholes for its metal mount ring.

However, on loading it into a pcb buffer, that looks like exactly what I 
need. Mounting boltholes might need expanding to clear a std (on this 
side of the pond :) #6-32 screw.  But I can edit that I believe.

Thank you very much Erich Heinzle. Now, the next thing I need is the 
measurements for the overall board size, which will have to be a SWAG 
because its edges are hidden under the mounting clamp strips.  I have to 
go up and replace a failed capacitor, a 12.5 kilovolt .004 u-f capacitor 
rated at 12 amps of RF currant in the megahertz frequency range, this 
morning as soon as my extra pain pill kicks in and I go fix my cane 
which got some JBWeld applied to a couple cracks where the handle screws 
into the top of the stick. I may be able to get a tape measure and 
record those SWAG measurements while I am there.

I am 81 yo, and have a couple worn out, collapsed discs in my back, so I 
have difficulty because of the pinched Sciatic nerve.  But in this neck 
of the woods, I am the last "radio engineer" that fixes things. I seem 
to be the end of a dying breed I guess.

Subtract 40 lbs and add 12 years to the pix on the front page of my site 
if you'd like to see who I am. That site (see sig) isn't on a web 
server, its actually this machine.

Thanks again.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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