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Brian Harnett

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Reply with quote  #1 
After seeing Darren's gear I made a smaller version 23" in diameter we have an antique machinery show I go to so it will be interesting to bring it along.

Ended up making two the first I put some minwax stain on which I have done in the past without issue but I put it outside and forgot about it, minwax stain and sun react with foam as I found out, though it kind of looks like it was buried for a hundred years, so a second was made I used a torch very lightly to make the edges pitted and worn.

 On the second gear I used Flood waterbased deck and siding preservative mixed with powdered concrete pigment ( black and brown at home depot ) applied with a critter spraygun, gave it a second misting with just the brown for the rust effect, I also sprinkled iron filings in the finish be interesting to see what happens.  

 I put Sullivan iron works on it becouse we live in Sullivan county






The minwax one 





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Darren Salyer

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Reply with quote  #2 
That's awesome.
Looks very realistic.

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Dan Sawatzky

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Reply with quote  #3 
Cool!

-grampa dan

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tom klass

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Reply with quote  #4 
very cool it does look real
tom
MarekHeil

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Reply with quote  #5 
They both look awesome, what kind of foam did you use?
-Marek
Brian Harnett

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Reply with quote  #6 
The foam was Owens corning 2" pink insulation foam, I use it for prototyping sometimes before using my expensive materials.
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Darren Salyer

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Reply with quote  #7 
Same foam I used for mine. Be careful though, some of the sheets are stocked with pre-scores about halfway through the sheet at 16" and 24" centers running lengthwise. Lowes and Home Depot carry the pre-scored here, and only Menards has the un-scored sheets.
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