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Author Topic: Gold Plated Spinning Top  (Read 141 times)


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Gold Plated Spinning Top
« on: August 10, 2018, 09:14:20 AM »


I make brass flywheels for my spinning tops. I use sandpaper and diamond lapping pastes (up to 0.1 micron) to achieve an excellent mirror finish. The issue, however, is that after a few weeks, especially if I handle the flywheels with my fingers, an ugly clouded patina forms. This is not too difficult to remove but is a little irritating.

This problem is what gave me the idea to gold plate the flywheels. Gold is very unreactive and does not form a patina over time. This makes it ideal for jewellery. So, I did some research and found someone willing to gold plate 2 of my brass flywheels in 18 k gold. After about a week, they were returned.

This is before plating

Fly wheel 1 after plating

Fly wheel 2 after plating

I understand gold is soft and may rub off is mistreated. I will take care of the tops dearly and even if the gold rubs off, it would not be too much of a disaster. The brass underneath is also nice and the gold plating was quite cheap. Please, feel free to tell me what you think!

Once a spinner, always a spinner :)


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Re: Gold Plated Spinning Top
« Reply #1 on: August 10, 2018, 06:01:00 PM »

Nice work!!

Jeremy McCreary

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Re: Gold Plated Spinning Top
« Reply #2 on: August 10, 2018, 06:28:46 PM »

The beauty of gold is undeniable. Looking forward to the completed top!
Playing with the physical world through LEGO

the Earl of Whirl

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Re: Gold Plated Spinning Top
« Reply #3 on: August 10, 2018, 09:28:20 PM »

Gold plated?  Wow, that seems pretty hard core!!!

But, it does sound pretty.
Happiness runs in a circular motion!


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Re: Gold Plated Spinning Top
« Reply #4 on: August 19, 2018, 12:22:55 AM »

I found out the other day that Techmetals company is 15 min from Miamisburg.  I will tour their facility.  They do a wide variety of hard surface long wearing exotic PVD coatings.
(not as cool as gold)