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> Vapor blasting
mepstein
post May 30 2019, 05:01 PM
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914-6 GT in waiting
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QUOTE(Nacho @ May 30 2019, 06:20 PM) *

QUOTE(mepstein @ May 30 2019, 02:14 PM) *

It came out of the tank clean but ugly. (IMG:style_emoticons/default/sad.gif)



I'm in the aerospace precision cleaning business and we never ultrasonic aluminum. What you see on the surface of the aluminum are cavitation marks generated by small implosions that are super hot in excess of 300F on the aluminum when the ultrasonics are on. Excessive exposure to sonication can generate pits and even cracks on the surface of the aluminum. When cleaning aluminum and ultrasonic cleaning is desired, its best to only do small burst 15-20 seconds of sonication at a time but not to exceed more that a few minutes in total for the cleaning.

Thank you for the education.
(IMG:style_emoticons/default/beerchug.gif)
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rjames
post May 30 2019, 10:19 PM
Post #22


I'm made of metal
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QUOTE(r_towle @ Sep 7 2016, 06:14 PM) *

I wonder if my car would fit


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jkb944t
post May 31 2019, 11:09 AM
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Thanks for sharing! (IMG:style_emoticons/default/smile.gif)

Jeff B
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Gint
post Nov 21 2020, 09:35 AM
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QUOTE(mepstein @ Sep 7 2016, 06:08 PM) *
QUOTE(Mueller @ Sep 7 2016, 09:03 PM) *
Parts look great....I don't like the name! Not a vapor process (IMG:style_emoticons/default/smile.gif)

Water+compressed air+glass bead ≠ vapor (IMG:style_emoticons/default/headbang.gif)
I didn't name it. Seems to be the name used in the motorcycle/industry that makes the device.

(IMG:style_emoticons/default/agree.gif) With Herr Mueller. The first time I heard the phrase vapor blasting, I had something very different in mind until I started googling.

QUOTE(mepstein @ May 30 2019, 04:01 PM) *
QUOTE(Nacho @ May 30 2019, 06:20 PM) *
QUOTE(mepstein @ May 30 2019, 02:14 PM) *
It came out of the tank clean but ugly. (IMG:style_emoticons/default/sad.gif)
I'm in the aerospace precision cleaning business and we never ultrasonic aluminum. What you see on the surface of the aluminum are cavitation marks generated by small implosions that are super hot in excess of 300F on the aluminum when the ultrasonics are on. Excessive exposure to sonication can generate pits and even cracks on the surface of the aluminum. When cleaning aluminum and ultrasonic cleaning is desired, its best to only do small burst 15-20 seconds of sonication at a time but not to exceed more that a few minutes in total for the cleaning.
Thank you for the education.
(IMG:style_emoticons/default/beerchug.gif)
(IMG:style_emoticons/default/agree.gif) Very interested in this process.
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mepstein
post Nov 21 2020, 11:26 AM
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(IMG:style_emoticons/default/smile.gif)


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JOEPROPER
post Nov 21 2020, 11:35 AM
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The answer is "no" unless you ask...
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QUOTE(mepstein @ Nov 21 2020, 12:26 PM) *

That looks Awesome!!! (IMG:style_emoticons/default/beerchug.gif)
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mepstein
post Nov 21 2020, 11:44 AM
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It’s started out like this


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Gint
post Nov 21 2020, 11:47 AM
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That's phenomenal! Thanks for posting this Mark.
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raynekat
post Nov 22 2020, 05:25 PM
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Yes, super info on getting parts cleaned up and looking great again.
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mepstein
post Nov 22 2020, 08:10 PM
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Brent’s carbs. I had to go easy because I didn’t want to strip off the plating on the hardware and fittings. Still, it looks better than what we started with and I was happy I could help out Brent. A little payback for such an entertaining and enjoyable build thread.

*I don’t do this for hire and since I no longer work at the shop, I’m not able to sneak in other peoples parts. Sorry.
The good thing is that there are more and more people offering this surface.


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MM1
post Nov 22 2020, 10:03 PM
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At first I gazed - then I slipped into 914 obsession . . .
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QUOTE(mepstein @ Nov 21 2020, 12:26 PM) *


Beautiful Moto Morini! @mepstein - please send a video of it running, and pics of the completed resto if you can . . .

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mepstein
post Nov 22 2020, 10:28 PM
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QUOTE(MM1 @ Nov 22 2020, 11:03 PM) *

QUOTE(mepstein @ Nov 21 2020, 12:26 PM) *


Beautiful Moto Morini! @mepstein - please send a video of it running, and pics of the completed resto if you can . . .

(IMG:style_emoticons/default/drooley.gif) (IMG:style_emoticons/default/w00t.gif)

Restoration on the Morini riders club. http://www.morini-riders-club.com/forum/vi...amp;hilit=Early

There are a lot more pics and details on my builders site - Antietam classic cycle Facebook.
After seeing my vapor blasted parts, my engine builder has been using it on a lot of his builds.
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bbrock
post Nov 22 2020, 10:54 PM
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Can't tell you how grateful I am that you brought my carbs back to beautiful. I still have to stop and stare at them in admiration at least once a week. (IMG:style_emoticons/default/beerchug.gif)
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