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Author Topic: Giant sparkplug  (Read 2238 times)
stevehuckss396
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« on: February 03, 2019, 00:26:32 am »

After needing assistance to complete some lathe work I had to post a CB file and then later posted a picture of the finished part. Don't think I ever explained what it was. It was the lower insulator of a sparkplug that will be just under a foot tall. I have been trying to get a miniature sparkplug business off the ground so it will be on my table to catch the eye of potential customers. As I complete the parts I will drop some pictures here as CamBam will play a big role in the project.


This is the lower insulator and the lower electrode.



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EddyCurrent
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« Reply #1 on: February 03, 2019, 15:02:07 pm »

Do you have a feeler gauge for setting the gap ?  Cheesy
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Bob La Londe
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« Reply #2 on: February 03, 2019, 16:02:20 pm »

… and a giant spark plug tester to make it snap wickedly at passersby.  

Actually a low quality piece of optical fiber and a flickering high intensity blue LED might do the trick.  

(Low quality so it has lots of places to leak light.)
« Last Edit: February 03, 2019, 16:04:47 pm by Bob La Londe » Logged

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stevehuckss396
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« Reply #3 on: February 03, 2019, 23:11:57 pm »

Do you have a feeler gauge for setting the gap ?  Cheesy

Yes I believe I have a piece of 1/8 inch bar somewhere.
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stevehuckss396
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« Reply #4 on: February 03, 2019, 23:12:53 pm »

… and a giant spark plug tester to make it snap wickedly at passersby.  

Actually a low quality piece of optical fiber and a flickering high intensity blue LED might do the trick.  

(Low quality so it has lots of places to leak light.)

I have a plan.
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stevehuckss396
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« Reply #5 on: February 07, 2019, 02:06:49 am »

The internal work is complete on the base. I have some holes to drill on both ends and then the outer work can begin.

Had to reduce a piece of 6 inch down to 5.25. Got a good deal on the pieces.

Had to bore a 2 inch hole 6.500 deep in one end. Nightmare, took forever.

Simple bore and counterbore on the other end.



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stevehuckss396
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« Reply #6 on: February 10, 2019, 22:08:14 pm »

Top insulator is completed.

Learning more and more about the lathe making stuff like this. Grinding lathe bits has become a full time job but I like the challenge.



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stevehuckss396
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« Reply #7 on: February 17, 2019, 02:46:31 am »

Got the top portion of the base finished. Its amazing how much material comes flying off a part as it's being machined.



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stevehuckss396
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« Reply #8 on: February 23, 2019, 23:43:38 pm »

The bottom of the base was roughed out with a manual lathe. Then in to the little lathe to let Cambam do it's thing.



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stevehuckss396
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« Reply #9 on: February 23, 2019, 23:50:11 pm »

I also got a start on the top nut. Roughed it out and CNC'd the outside profile. Little more to do on this one but it's close.



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lloydsp
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« Reply #10 on: February 24, 2019, 00:08:07 am »

That's a neat project, Steve.  I'm looking forward to the final result.

Lloyd
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stevehuckss396
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« Reply #11 on: February 24, 2019, 16:46:29 pm »

Thanks Lloyd! Everyone needs that project that they do to learn how to setup and run there new machine.


The cap was basically the same process as the nut so I decided to make a short video of the final cuts.

www.youtube.com/watch?v=j1ldRQ03Fyc
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stevehuckss396
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« Reply #12 on: February 24, 2019, 17:55:02 pm »

So far so good!!



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Dragonfly
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« Reply #13 on: February 24, 2019, 19:12:31 pm »

Nice!
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Bubba
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« Reply #14 on: February 25, 2019, 01:32:09 am »

Steve, this is as good as other stuff you made.. Nice work!
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