Dash board knock out panels

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Dash board knock out panels

Postby Jack Crow » 2017-May-Mon-18-May

Hi all,
Now that the bot is working again been making parts.

In the past I have done some very intricate ham radio installs in vehicles.

They don't always make a good fit, so custom parts do come in handy.

My car's dash board has these knock out panels where the factory or dealer can install items.
The aftermarket uses them to mount switches for various things.

Since they don't come with cutting guides, it's very difficult to hit a spot on the center line.
Also since nobody has invented the square drill bit, mounting square items in them takes a lot of work.
5-22-2017 001.JPG


Made some knock out panels with the bot.
5-22-2017 003.JPG


This was made with a loose switch I found on the work bench.
Other switches can be adapted, LED indicators, all kinds of stuff.

So if any of you have a SCION and want the .stl file, let me know.

Be well there.
Jack Crow
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Dash board knock out panels

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Re: Dash board knock out panels

Postby PxT » 2017-May-Tue-11-May

Jack Crow wrote:Also since nobody has invented the square drill bit



Actually it was invented over 100 years ago. Check out the "watts drill". They even have bits to drill other shapes such as hexagons, octagons & pentagons. The Watts Brothers Tool Works company is still in business, although perhaps a little specialized for putting a quick hole in your car dashboard. :)
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Re: Dash board knock out panels

Postby Jack Crow » 2017-May-Tue-11-May

Boss
Thanks for the education.
This office computer is what CroMangun man used to get his e mail.
Will look up Watts and Co when I get home.

More when I know more.
Jack Crow aka Radio Mike
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Re: Dash board knock out panels

Postby Mooselake » 2017-May-Tue-19-May

Is that the passenger eject switch on the left?
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Re: Dash board knock out panels

Postby Jack Crow » 2017-May-Wed-07-May

Boss,
Eject switch, no.

For a while I had a job installing A/V gear at Fort Mead Md.
One of the rules on most military bases is 'no transmitting.
So I needed a way to shut off all the two way gear in the car.
Found one of those covered switches and put it in line with the main power heading to the radios.
Been working well for years. No reason to mess with it.

Keep it sane
Jack Crow aka Radio Mike
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Re: Dash board knock out panels

Postby Mooselake » 2017-May-Wed-12-May

Good for dynamite blasting zones, too. Lots of rock under the roadway here. Plus covered switches look cool. Great idea!

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Re: Dash board knock out panels

Postby Jack Crow » 2017-May-Sun-14-May

Follow ups,

Did look up that square drill bit. More than a little different.
Will not be buying them any time soon.
But thanks for the education just the same.

As for explosives. Know more than I care to.
Part of what I did in the mid east was to work on counter IED systems.
Mostly they were vehicle based radio jammers of various types.

Got to visit the CEXE cell in Baghdad (pronounced sexy).
Stood for Combined Explosives Exploitation Cell.
If you want more info, this article struck me as fairly accurate.
https://www.wired.com/2007/09/post-11/

These were the guys who made the first cut of what newly captured IED were made out and get the information out to the troops.

They had a cute little garden in back with all kinds of items from used IED's under a tree.

If this link works, it's one of the very few photos of me in Baghdad. Not that anybody can tell.

https://www.flickr.com/photos/90108848@ ... 345859471/

It was taken in the warlock shop. Warlock was the cover name for the various devices we put in vehicles for the military.
If you look behind the right elbow is a system recovered from a vehicle that ran over a pressure plate switch.

Real hard to defend from that.

Read the text, I truly did send the wife that photo.

As for the dash knock outs, talked to an auto sound pro this week.

Seems there are factory made switches for cars, so the need for a generic switch holder is not a big thing for them.
No great loss, I will make use of them.

Currently working on an external speaker box that can hold GM style 3.25 dash speaker.
Porky ain't the right word. Rated at 100 watts, four ohms. Has a big permanent magnet on it's back.

It's such over kill.

The speaker is not as efficient as most two way radio speakers but it's precise in it's audio reproduction.

Have it jacked into my desk 2M set.
It will be a five piece project when done. Back box, speaker holder, front panel, and two legs.

So the speaker holder is done. I wish it came out better. Parts of the finish are just plain rough
5-28-2017 001.JPG


Made an error on the back box for the speaker, made it 10mm too short.
Such is progress, learn by doing.
5-28-2017 003.JPG


The new back box is printing now. Has about another four hours to go.
Then will get on with the front panel print.

This back box just about maxed out the Simple Metal. 144mm wide
90mm in the Y and 50mm tall. Will be a worthy project when finished.
5-28-2017 004.JPG

More later. May put it in the show case section.

Later guys.
Jack Crow
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