Tag Archives: fiber glass

Helmet building – 5

I used a grinder with metal cutting blade to clean up edges of the helmet. This is the grind setup how I smoothed surface of the helmet. I removed the chin section of the the helmet because it was too … Continue reading

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Journal of 2014/09/28

Full size pounder made out of concrete for earthbag Removed the sheet metal mold. There is little crack on top. The bottom looks flat. Smoothed square edges of the handle bar using a grinder, flat and square files. Medium length … Continue reading

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Helmet building – 4

I’ve applied two layers of Fiber Glass so far. It feels rigid and strong. I’ll fix imperfection of the surface and make it close to perfect symmetry. Then the inner shell will be done. I made a steel brush not … Continue reading

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Helmet building – 3

Removed the clay using water and a tooth brush. But it has clay residue bonded with fiber glass.

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Helmet building – 2

Removed the clay and papers. Thickness of the shell varies from 1 mm to 2.5 mm. I think it needs another two layers to have the strength as shell. It has lots of flaws, uneven surface. How do I fix … Continue reading

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