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Cox Engine of The Month
October-2019
colibriguitars's

Dieselized .049 with no Teflon disk or o-rings.

More info on this engine!



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Cox RR1 stripped down

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Post  aungmyatoo on Sun Apr 21, 2019 6:16 am

Cox RR1 stripped down Img_3424

I got another RR1, 1/3 cheaper than previous one.

Of course cheaper means: spinner is trash, very bad screw driver marks on tank, someone mark his / her name on crankcase.
Head and cylinder from somewhere (no #1 on it), wrong cylinder, piston + high compression head.

So, I stripped down all anodising, try to straightened the ribs on tank, polished it. Make it ready for re-anodize. I am waiting my RIT dyes to arrive.
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Post  NEW222 on Sun Apr 21, 2019 9:27 am

It actually looks good in silver. However, I will be waiting for your dye job to see how it is done and looks. I never thought of RIT dye on metal, or is there a special metal version?
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Post  aungmyatoo on Sun Apr 21, 2019 10:01 am

NEW222 wrote:It actually looks good in silver. However, I will be waiting for your dye job to see how it is done and looks. I never thought of RIT dye on metal, or is there a special metal version?

My location do not have battery acid, I search all auto shop, they only sell battery water (distilled water), battery acid become things of the past here as most of the car battery now a day are maintenance free.

I am following DIY anodising site that successfully anodize using NaHSO4 and wanted to try it out. Of course I will be testing this on scrap aluminium before touching RR1.
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Post  getback on Sun Apr 21, 2019 10:03 am

I am interested in that also Chancey , i didn't know you could dye metal ?
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Post  aungmyatoo on Sun Apr 21, 2019 10:43 am

https://www.youtube.com/watch?v=7jFN3l_mrKk

Anyway, I have to try it to know how true it is.

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Post  KariFS on Sun Apr 21, 2019 1:24 pm

The dye is used as ”the color” in colour anodizing process, I think.

I am also thinking about re-anodizing my recently acquired RR-1, following this with interest. I do have some battery acid, bought at an auto parts store. Some older style and low sales volume motorcycle batteries are delivered dry and need to be filled with acid.

I will most likely send mine out though.
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Post  Mark Boesen on Sun Apr 21, 2019 9:51 pm

i haven't anodized in a long time, but i noticed severl years ago a newer process of using less acid and higher voltage and now this system, looks good!
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