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Engine turn finish
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Author:  zoomster [ Fri Oct 09, 2009 1:46 pm ]
Post subject:  Engine turn finish

Hi could anyone tell me what would the diameter of a engine turn finish would be on a 1/8 th scale engine,I will be starting a pocher buggati in the near future and what to try my hand at a turned finish,on the engine and fire wall.
Thanks

Author:  Pico [ Mon Oct 19, 2009 2:46 pm ]
Post subject:  Re: Engine turn finish

Zoom, I was only able to find one photo of a T50 firewall and it appears that it has about 68 "turns" between the widest points of the body. Your 1/8th scale model firewall is about 4 1/2" wide, divided by 68 gives a "turn" size of about 1/16". However, the T50 firewall was handscraped, not engineturned. Using a 1/16" wide steel scraper on aluminum should replicate the finish. For an engineturned finish, put a small maple dowel in a Dremel and, using auto polishing compound, apply to polished aluminum. Using this method by hand using a rougher grit, might - I haven't tried it - replicate the handscraped finish. Experimenting with different polishing grits, metals, and turning materials pays off in the long run. Pico

Author:  Herman [ Mon Oct 19, 2009 4:48 pm ]
Post subject:  Re: Engine turn finish

Also the second book of Gerald Wingrove has a description of a method of replicating the scraped and engine turned finish.

Author:  zoomster [ Tue Oct 20, 2009 1:44 pm ]
Post subject:  Re: Engine turn finish

Thank you for your help,will look into it.

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